--#comment "Copyright (C) Microsoft Corporation, 1998-1999. All rights reserved."--
--#comment "ASN.1 definitions for Whiteboard"--

--#SS.basic slinked--   -- set of and sequence of w/o size constraint
--#SS.sized slinked--   -- set of and sequence of w/  size constraint

--  Begin SI Definitions
SI-PROTOCOL DEFINITIONS AUTOMATIC TAGS ::=
BEGIN
--  NOTE: All abstract types defined shall be exported.
--  ArchiveEntryName
    --  Name used to reference an archive entry.
ArchiveEntryName ::= BMPString (SIZE (1..256)) --#nocode--

--  ArchiveError
    --  Specifies the cause of an error at a remote terminal during
    --  a workspace archive operation.
ArchiveError ::= CHOICE
{

    entryNotFound    NULL,
    --  The terminal does not have the entry that matches the
    --   archive name being accessed for reading, editing, or
    --  deletion.
    entryExists    NULL,
    --  The terminal already has an archive entry that matches
    --  the name of the archive entry name being created.
    storageExceeded    NULL,
    --  The terminal does not have sufficient memory to store
    --  the requested information.
     archiveNoLongerAvailable    NULL,
    --  The archive indicated is no longer available.
    unspecifiedError    NULL,
    --  A general error that is not previously defined has occurred.
    nonStandardError    NonStandardIdentifier,
    --  Non-standard error code.
    ...
} --#nocode--

--  ArchiveHeader
    --  This type specifies the parameters used to address archives
    --  stored at remote terminals.
ArchiveHeader ::= SEQUENCE
{
    archiveName    ArchiveName,
    --  Name of the archive.
    archiveCreationTime    GeneralizedTime,
    --  Time and date of the creation of the archive.
    archiveModificationTime    GeneralizedTime,
    --  Time and date of the most recent modification of the archive.
    ...
} --#nocode--

--  ArchiveMode
    --  One of the following sets of access modes must be indicated
    --  when an archive is opened.
ArchiveMode ::= SEQUENCE
{
    create    BOOLEAN,
    --  TRUE indicates that the archive shall be created.  If an archive with
    --  the same name exists, the operation should fail.
    read    BOOLEAN,
    --  TRUE indicates that the archive shall be opened for reading only.
    write    BOOLEAN,
    --  TRUE indicates that the archive shall be opened for writing.
    ...
} --#nocode--

--  ArchiveName
    --  Name used to reference an archive.
ArchiveName ::= BMPString (SIZE (1..256))
 --  ArchiveOpenResult
    --  Specifies the result of an archive open request.
ArchiveOpenResult ::= CHOICE
{
    archiveOpenSuccessful    NULL,
    --  The requested archive was successfully opened.
    archiveNotFound    NULL,
    --  An archive to be opened for reading or writing was
    --   not found to exist.
    archiveTimeIncorrect    ArchiveHeader,
    --  An archive to be opened for reading or writing was found,
    --   but with incorrect creation or modification time. The
    --  actual header is included in the error response in this case.
    archiveExists    NULL,
    --  An archive to be opened for creation already exists and will
    --  not be overwritten.
    archiveOpenForWriting    NULL,
    --  An archive to be opened for writing is already open for writing.
    storageExceeded    NULL,
    --  The terminal does not have sufficient memory to store the
    --  requested archive.
    unspecifiedError    NULL,
    --  An unspecified error has occurred preventing the archive
    --  from being opened.
    nonStandardResult    NonStandardIdentifier,
    --  Non-standard result code.
    ...
} --#nocode--

--  BitmapAbortReason
    --  These values represent the possible reason codes
    --  for the BitmapAbortPDU.
BitmapAbortReason ::= CHOICE
{
    unspecified    NULL,
    --  Bitmap aborted for an unspecified reason.
    noResources    NULL,
    --  Bitmap creation failed due to local resource management
    --  problems.
    outOfPaper    NULL,
    --  Bitmap creation failed because the receiving terminal is
    --  out of paper.
    nonStandardReason    NonStandardParameter,
    ...
}

--  BitmapAttribute
    --  This CHOICE represents the list of possible bitmap attributes.
BitmapAttribute ::= CHOICE 
{
    viewState    ViewState,
    --  Indicates the state.
    zOrder    ZOrder,
    --  Used to set the bitmap to the front or back of the display
    --   list within an addressable plane.
    nonStandardAttribute    NonStandardParameter,
    ...,
    --  Parameters added during 1st revision
    transparencyMask    TransparencyMask
}
 --  BitmapData
    --  All or part of a bitmap bitstream.
BitmapData ::= SEQUENCE
{
    dataCheckpoint    SEQUENCE (SIZE (1..100)) OF TokenID OPTIONAL,
    --  Tokens to uninhibit when the corresponding data is ready
    --  for display if checkpointing is enabled for the exchange
    padBits    INTEGER (1..256) OPTIONAL,
    --  Count of bits at the end of the data octets that are not part
    --  of the image bitstream and are to be ignored
    data    OCTET STRING (SIZE (1..8192)),
    --  The compression-format-specific bitmap data.
    ...
}

--  BitmapDestinationAddress
    --  Destination address for bitmap exchanges.
BitmapDestinationAddress ::= CHOICE 
{
    hardCopyDevice    NULL,
    softCopyImagePlane    SoftCopyDataPlaneAddress,
    softCopyAnnotationPlane    SoftCopyDataPlaneAddress,
    softCopyPointerPlane    SoftCopyPointerPlaneAddress,
    ...,
    --  Parameters added during 1st revision
    nonStandardDestination    NonStandardParameter
}

--  BitmapHeaderUncompressed
    --  This type specifies the parameters of uncompressed bitmap
    --  bitstreams.
BitmapHeaderUncompressed ::= SEQUENCE
{
    colorMappingMode    CHOICE
    {
        directMap    SEQUENCE
        {
            colorSpace    ColorSpaceSpecifier,
            resolutionMode    ColorResolutionModeSpecifier
        },
        paletteMap    SEQUENCE
        {
            colorPalette    ColorPalette,
            bitsPerPixel    INTEGER (1 | 4 | 8)
        },
        ...
    },
    ...
}

--  BitmapHeaderT4
    --  Bitmap header for T.4 (G3) encoding
BitmapHeaderT4 ::= SEQUENCE
{
    twoDimensionalEncoding    BOOLEAN,
    --  2-D encoding if TRUE,
    --  1-D encoding if FALSE
    ...
}
 --  BitmapHeaderT6
    --  Bitmap header for T.6 (G4) encoding
BitmapHeaderT6 ::= SEQUENCE
{
    ...
}

--  BitmapHeaderT81
    --  This type is used to specify the parameters necessary to 
    --  decode and display a T.81 (JPEG) image that are not specified
    --  within the T.81 bitstream.
BitmapHeaderT81 ::=  SEQUENCE
{
    colorSpace    ColorSpaceSpecifier,
    resolutionMode    ColorResolutionModeSpecifier,
    ...,
    --  Parameters added during 1st revision
    colorPalette    ColorPalette OPTIONAL
    --  Color palette to be optionally used by the receiver to render
    --  the associated bitmap if the local display device is
    --  palette-mapped. This parameter is provided as a
    --  convenience for receiver rendering.


}

--  BitmapHeaderT82
    --  This type is used to specify the parameters necessary to 
    --  decode and display a T.82 (JBIG) image that are not specified
    --  within the T.82 bitstream.
BitmapHeaderT82 ::=  SEQUENCE
{
    colorMappingMode    CHOICE
    {
        directMap    ColorSpaceSpecifier,
        --  Only greyscale and RGB colorspaces are allowed.
        paletteMap    SEQUENCE
        {
            bitmapPalette        ColorPalette,
            progressiveMode        CHOICE
            {
                progressivePalettes    SEQUENCE (SIZE (1..8)) OF ColorIndexTable,
                selfProgressive    NULL,
                ...
            }  OPTIONAL
        }
    },
    ...
}

--  BitmapRegion
    --  This type specifies a rectangular subregion within a bitmap.
BitmapRegion ::= SEQUENCE
{
    upperLeft    SEQUENCE
    {
        xCoordinate    INTEGER (0..65535),
        --  X component of a Cartesian address
        yCoordinate    INTEGER (0..65535)
        --  Y component of a Cartesian address
    },
    lowerRight    SEQUENCE
    {
        xCoordinate    INTEGER (0..65535),
        --  X component of a Cartesian address
        yCoordinate    INTEGER (0..65535)
        --  Y component of a Cartesian address
    }
}

--  BitmapSize
    --  The size of a bitmap in pixels.
BitmapSize ::= SEQUENCE
{
    width    INTEGER (1..65536),
    --  The number of pixels horizontally
    height    INTEGER (1..65536)
    --  The number of pixels vertically
}

--  ButtonEvent
    --  Describes pointing device button events.
ButtonEvent ::= CHOICE
{
    buttonUp    NULL,
    --  The button is up.
    buttonDown    NULL,
    --  The button is down.
    buttonDoubleClick    NULL,
    --  A button down event occurred within the double-click
    --  time window.
    buttonTripleClick    NULL,
    --  A button down event occurred within the triple-click
    --  time window.
    buttonQuadClick    NULL,
    --  A button down event occurred within the quad-click
    --  time window.
    nonStandardButtonEvent    NonStandardIdentifier,
    ...
}

--  ColorAccuracyEnhancementCIELab
ColorAccuracyEnhancementCIELab ::= CHOICE
{
    predefinedCIELabSpace    CHOICE
    {
        nonStandardCIELabSpace    NonStandardParameter,
        ...
    },
    generalCIELabParameters    SEQUENCE
    {
        colorTemperature    INTEGER (0..MAX) OPTIONAL,
        --  Color temperature of the white point assumed by the color
        --  space (in degrees Kelvin)
        gamut    SEQUENCE
        {
            lSpan    INTEGER (-32768..32767),
            --  max L* - min L*
            lOffset    INTEGER (-32768..32767),
            --  offset of the zero point for L
            aSpan    INTEGER (-32768..32767),
            --  max a* - min a*
            aOffset    INTEGER (-32768..32767),
            --  offset of the zero point for a
            bSpan    INTEGER (-32768..32767),
            --  max b* - min b*
            bOffset    INTEGER (-32768..32767)
            --  offset of the zero point for b
        }  OPTIONAL,
        ...
    },
    ...
}

--  ColorAccuracyEnhancementGreyscale
ColorAccuracyEnhancementGreyscale ::= CHOICE
{
    predefinedGreyscaleSpace    CHOICE
    {
        nonStandardGreyscaleSpace    NonStandardParameter,
        ...
    },
    generalGreyscaleParameters    SEQUENCE
    {
        gamma    REAL (0..MAX) OPTIONAL,
        --  Gamma value of the color space
        ...
    },
    ...
}

--  ColorAccuracyEnhancementRGB
ColorAccuracyEnhancementRGB ::= CHOICE
{
    predefinedRGBSpace    CHOICE
    {
        nonStandardRGBSpace    NonStandardParameter,
        ...
    },
    generalRGBParameters    SEQUENCE
    {
        gamma    REAL (0..MAX) OPTIONAL,
        --  Gamma value of the color space
        colorTemperature    INTEGER (0..MAX) OPTIONAL,
        -- Color temperature of the white point assumed by the color
        --  space (in degrees Kelvin)
        primaries    SEQUENCE
        {
            red    ColorCIExyChromaticity,
            --  CIE xy chromaticity coordinate of the red  primary
            green    ColorCIExyChromaticity,
            --  CIE xy chromaticity coordinate of the green primary
            blue    ColorCIExyChromaticity
            --  CIE xy chromaticity coordinate of the blue primary
        }  OPTIONAL,
        ...
    },
    ...
}

--  ColorAccuracyEnhancementYCbCr
ColorAccuracyEnhancementYCbCr ::= CHOICE
{
    predefinedYCbCrSpace    CHOICE
    {
        cCIR709    NULL,
        nonStandardRGBSpace    NonStandardParameter,
        ...
    },
    generalYCbCrParameters    SEQUENCE
    {
        gamma    REAL (0..MAX) OPTIONAL,
        --  Gamma value of the color space
        colorTemperature    INTEGER (0..MAX) OPTIONAL,
        --  Color temperature of the white point  assumed by the color
        --   space (in degrees Kelvin)
        primaries    SEQUENCE
        {
            red    ColorCIExyChromaticity,
            -- CIE xy chromaticity coordinate of the red primary
            green    ColorCIExyChromaticity,
            --  CIE xy chromaticity coordinate of the green primary
            blue    ColorCIExyChromaticity
            --  CIE xy chromaticity coordinate of the blue primary
        }  OPTIONAL,
        ...
    },
    ...
}

--  ColorCIELab
    --  Definition of a CIELab color.
ColorCIELab ::= SEQUENCE
{
    l    INTEGER (0..255),
    --  Perceptually normalized luminance component
    a    INTEGER (0..255),
    --  One of two perceptually normalized chroma components
    b    INTEGER (0..255)
    --  One of two perceptually normalized chroma components
}

--  ColorCIExyChromaticity
    --  Definition of a CIE normalized chromaticity value.
ColorCIExyChromaticity ::= SEQUENCE
{
    x    REAL (0..one),
    --  CIE normalized x component
    y    REAL (0..one)
    --  CIE normalized y component
}

--  ColorIndexTable
    --  This type is used to specify collections of color 
    --  values.  All entries are references to absolute 
    --  color palette data.
ColorIndexTable ::= SEQUENCE (SIZE (1..256)) OF INTEGER (0..255)

--  ColorPalette
ColorPalette    ::= SEQUENCE
{
    colorLookUpTable    CHOICE
    {
        paletteRGB    SEQUENCE 
        {
            palette    SEQUENCE (SIZE (2..256)) OF ColorRGB,
            enhancement    ColorAccuracyEnhancementRGB OPTIONAL,
            ...
        },
        paletteCIELab    SEQUENCE
        {
            palette    SEQUENCE (SIZE (2..256)) OF ColorCIELab,
            enhancement    ColorAccuracyEnhancementCIELab OPTIONAL,
            ...
        },
        paletteYCbCr    SEQUENCE
        {
            palette    SEQUENCE (SIZE (2..256)) OF ColorYCbCr,
            enhancement    ColorAccuracyEnhancementYCbCr OPTIONAL,
            ...
        },
        nonStandardPalette    NonStandardParameter,
        ...
    },
    transparentEntry    INTEGER (0..255)    OPTIONAL,
    --  Index value of transparent color
    ...
}

--  ColorResolutionModeSpecifier
ColorResolutionModeSpecifier ::= CHOICE
{
    resolution4-4-4    NULL,
    --  Indicates single component 
    --  4:4:4
    resolution-4-2-2    NULL,
    --  4:2:2 chrominance sub-sampling
    resolution-4-2-0    NULL,
    --  4:2:0 chrominance sub-sampling
    nonStandardResolutionMode    NonStandardIdentifier,
    ...
}

--  ColorRGB
    --  Definition of an RGB color.
ColorRGB ::= SEQUENCE
{
    r    INTEGER (0..255),
    --  Red color component
    g    INTEGER (0..255),
    --  Green color component
    b    INTEGER (0..255)
    --  Blue color component
}

--  ColorSpaceSpecifier
ColorSpaceSpecifier ::=    CHOICE
{
    greyscale    SEQUENCE
    {
        accuracyEnhancement    ColorAccuracyEnhancementGreyscale OPTIONAL
    },
    yCbCr    SEQUENCE
    {
        accuracyEnhancement    ColorAccuracyEnhancementYCbCr OPTIONAL
    },
    rgb    SEQUENCE
    {
        accuracyEnhancement    ColorAccuracyEnhancementRGB OPTIONAL
    },
    cieLab    SEQUENCE
    {
        accuracyEnhancement    ColorAccuracyEnhancementCIELab OPTIONAL
    },
    nonStandardColorSpace    NonStandardIdentifier,
    ...
}
 --  ColorYCbCr
    --  Definition of a YCbCr color.
ColorYCbCr ::= SEQUENCE
{
    y    INTEGER (0..255),
    --  Luminance component
    cb    INTEGER (0..255),
    --  Normalized blue minus luminance component
    cr    INTEGER (0..255)
    --  Normalized red minus luminance component
}

--  ConductorPrivilege
    --  List of privileges that are awarded by the SICE at the conducting
    --  node to other SICEs in the session.
ConductorPrivilege ::= CHOICE
{
    workspacePrivilege    NULL,
    --  Privilege to create, edit, or delete workspaces
    annotationPrivilege    NULL,
    --  Privilege to create, edit, or delete annotation bitmaps
    --  or drawing elements
    imagePrivilege    NULL,
    --  Privilege to create, edit, or delete image bitmaps
    pointingPrivilege    NULL,
    --  Privilege to create, edit, or delete pointers
    remoteKeyEventPrivilege    NULL,
    --  Privilege to send remote keyboard events
    remotePointingEventPrivilege    NULL,
    --  Privilege to send pointing device events
    remotePrintingPrivilege    NULL,
    --  Privilege to request remote printing
    archiveCreateWritePrivilege    NULL,
    --  Privilege to create or append an archive
    nonStandardPrivilege    NonStandardIdentifier,
    --  Non-standard privilege that was successfully negotiated.
    ...
}

--  DataPlaneID
    --  This is the identifier of a data plane within a workspace.
DataPlaneID ::= INTEGER (0..255)

--  DrawingAttribute
    --  The following drawingAttributes are used to specify visual and
    --  behavioral properties of a drawing.
DrawingAttribute ::= CHOICE 
{
    penColor    WorkspaceColor,
    --  Color of drawing pen
    fillColor    WorkspaceColor,
    --  Color used to fill a closed region
    penThickness    PenThickness,
    --  Width of pen
    penNib    PenNib,
    --  Shape of pen nib
    lineStyle    LineStyle,
    --  Style of line
    highlight    BOOLEAN,
    --  Flag indicating whether the drawing element should be
    --  of a solid color or a highlight (semi-transparent)
     viewState    ViewState,
    --  Indicates the visibility state
    zOrder    ZOrder,
    --  Used to set the graphical element to the front or back of the
    --  display list within an addressable plane
    nonStandardAttribute    NonStandardParameter,
    ...
}

--  DrawingDestinationAddress
    --  A DrawingDestinationAddress specifies the destination of drawing
    --  elements.
DrawingDestinationAddress ::= CHOICE
{
    softCopyAnnotationPlane    SoftCopyDataPlaneAddress,
    ...,
    --  Parameters added during 1st revision
    nonStandardDestination    NonStandardParameter
}

--  DrawingType
    --  A DrawingType specifies the shape of a drawn element.
DrawingType ::= CHOICE
{
    point    NULL,
    --  Unconnected points
    openPolyLine    NULL,
    --  Points connected with straight lines. The last point is not
    --  connected to the first.
    closedPolyLine    NULL,
    --  Points connected with straight lines. 
    --  The last point is connected to the first.
    rectangle    NULL,
    --  A rectangle defined by two corners
    ellipse    NULL,
    --  An ellipse
    nonStandardDrawingType    NonStandardIdentifier,
    --  Negotiated non-standard type
    ...
}
DSMCCTap ::= SEQUENCE
{
    use    INTEGER (0..65535),
    --  the use for the Tap
    id    INTEGER (0.. 65535),
    --  identifier for the Tap
    associationTag    INTEGER (0..65535),
    --  group identifier for Tap resource descriptors
    selector    OCTET STRING (SIZE (1..256)) OPTIONAL,
    --   upper protocol selector info
    ...
}

--  EditablePlaneCopyDescriptor
    --  Paired list of handles for source objects and their copies.
EditablePlaneCopyDescriptor ::= SEQUENCE
{
    objectList    SEQUENCE (SIZE (1..65536)) OF SEQUENCE
    {
        sourceObjectHandle    Handle,
        destinationObjectHandle    Handle
        --  This handle is used to reference the new copy of the
        -- source object in the future.
    },
    destinationOffset    PointDiff16 OPTIONAL,
    --  This parameter defines an offset to be added to the
    --  coordinates of all of the copied objects. If not present,
    --  zero offset is assumed.
    planeClearFlag    BOOLEAN,
    --  When FALSE, the destination objects are appended to
    --  the existing set of objects in the destination plane. When
    --  TRUE, all existing objects in the destination plane are
    --  deleted prior to the copy operation.
    ...
}

--  Handle
    --  Unique identifier that is used to address objects to allow edit
    --  and/or delete operations. These are obtained from GCC via the
    --  GCC-Registry-Allocate-Handle request/confirm primitives.
Handle ::= INTEGER (0..4294967295)

--  KeyCode
    --  Character code that is contained in a RemoteKeyboardEventPDU.
    --  This is either a two-octet value that uses the UNICODE character
    --  representation or special key specifier.
KeyCode ::= CHOICE
{
    character    BMPString (SIZE (1)),
    --  UNICODE character
    fkey    INTEGER (1..32),
    --  Function key

    --  Edit and navigation keys
    upArrow    NULL,
    downArrow    NULL,
    leftArrow    NULL,
    rightArrow    NULL,
    pageUp    NULL,
    pageDown    NULL,
    home    NULL,
    end    NULL,
    insert    NULL,
    delete    NULL,

    nonStandardKey    NonStandardIdentifier,
    --  Non-standard key code
    ...
} --#nocode--

--  KeyModifier
    --  Collection of keyboard modifiers.
KeyModifier ::= CHOICE 
{
    leftAlt    NULL,
    --  Indicates the left ALT modifier key is pressed
    rightAlt    NULL,
    --  Indicates the right ALT modifier key is pressed
    leftShift    NULL,
    --  Indicates the left SHIFT modifier key is pressed
    rightShift    NULL,
    --  Indicates the right SHIFT modifier key is pressed
    leftControl    NULL,
    --  Indicates the left CONTROL modifier key is pressed
     rightControl    NULL,
    --  Indicates the right CONTROL modifier key is pressed
    leftSpecial    NULL,
    --  Indicates the left SPECIAL modifier key is pressed
    rightSpecial    NULL,
    --  Indicates the right SPECIAL modifier key is pressed
    numberPad    NULL,
    --  Indicates the associated keystroke is actuated by the
    --  numeric keypad
    scrollLock    NULL,
    --  Indicates that the scroll lock is active
    nonStandardModifier    NonStandardIdentifier,
    --  Non-standard key modifier.
    ...
}

--  KeyPressState
    --  Set of events for a key, used as part of
    --  a RemoteKeyboardEventPDU
KeyPressState ::= CHOICE
{
    none    NULL,
    -- No key event is signaled. This is used when only keyboard
    --  modifier keys are changing state.
    keyPress    NULL,
    --  A key press event has occurred. Note that multiple keyPress
    --  events may occur as a result of a keyDown event and keyboard
    --  auto-repeat.
    keyDown    NULL,
    --  A key down transition has occurred. Note that this implies a
    --  keyUp for an unmatched previously received keyDown.
    keyUp    NULL,
    --  A key up transition has occurred.
    nonStandardKeyPressState    NonStandardIdentifier,
    --  Non-standard key press state.
    ...
} --#nocode--

--  LineStyle
    --  The LineStyle attribute is used during a line draw procedure. It
    --  specifies the type of line drawn.  
LineStyle ::= CHOICE
{
    solid    NULL,
    --  All pixels between endpoints are to be drawn.
    dashed    NULL,
    --  A dashed pattern is to be applied.
    dotted    NULL,
    --  A dotted pattern is to be applied.
    dash-dot    NULL,
    --  A dash-dot pattern is to be applied.
    dash-dot-dot    NULL,
    --  A dash-dot-dot pattern is to be applied.
    two-tone    NULL,
    --  Line color is to be applied to 50% of the line width with a
    --  complimentary color applied to either side.  The width of
    --  either side region is to be 25% of the line width.
    nonStandardStyle    NonStandardIdentifier,
    ...
}
 --  MCSUserID 
    --  This type is used to specify MCS User IDs.
MCSUserID ::= INTEGER (1001..65535)

--  H221NonStandardIdentifier 
    --  Used to specify non-standard objects using H.221 numbering.
    --  The first four octets shall designate country code and
    --  manufacturer code, assigned as specified in
    --  Annex A/H.221, for NS-cap and NS-comm.
H221NonStandardIdentifier ::= OCTET STRING (SIZE (4..255))

--  NonStandardIdentifier 
    --  Unique identifier used to specify non-standard capabilities and
    --  parameters either as an ASN.1 OBJECT IDENTIFIER or as an H.221
    --  non-standard object.
NonStandardIdentifier ::= CHOICE
{
    object    OBJECT IDENTIFIER,
    h221nonStandard    H221NonStandardIdentifier
}

--  NonStandardParameter 
    --  Used to specify non-standard parameters.  This includes a
    --  data field which may be used to fill in parameter values
    --  of the type indicated by the NonStandardIdentifier.
NonStandardParameter ::= SEQUENCE
{
    nonStandardIdentifier    NonStandardIdentifier,
    data    OCTET STRING
}

--  one
    --  This type provides a real value = 1 for use in this Recommendation.
one REAL ::= {mantissa 1,  base 2,  exponent 0}

--  PenNib
    --  This type specifies the shape of the nib of the pen that is
    --  used to draw graphical elements.
PenNib ::= CHOICE
{
    circular    NULL,
    --  A circle is used for the nib shape.
    square    NULL,
    --  A square is used for the nib shape.
    nonStandardNib    NonStandardIdentifier,
    --  A non-standard pen nib
    ...
}

--  PenThickness
    --  This type specifies the thickness of the pen that is used to
    --  draw graphical elements.
PenThickness ::= INTEGER (1..255)

--  PermanentPlaneCopyDescriptor
    --  Describes source and destination regions within the corresponding
    --  planes to be copied from and to. This is only to be used when the
    --  source and destination planes are permanent.
PermanentPlaneCopyDescriptor ::= SEQUENCE
{

    sourceRegion    WorkspaceRegion,
    --  Source rectangle to be copied. 
     destinationRegion    WorkspaceRegion,
    --  Destination rectangle to be copied. 
    --  May be restricted by caps to be the same size as
    --  the source region.
    ...
}

--  PixelAspectRatio
    --  This type specifies that horizontal to vertical ratio of
    --  the size of a pixel.
PixelAspectRatio ::= CHOICE
{
    square    NULL,
    --  pixel aspect ratio is 1:1
    cif    NULL,
    --  pixel aspect ratio is 12:11 (hor:ver)
    fax1    NULL,
    --  385:800 (hor:ver)
    --  8 lines/mm horizontally, 
    --  3.85 lines/mm vertically
    fax2    NULL,
    --  770:800 (hor:ver)
    --  8 lines/mm horizontally,
    --  7.7 lines/mm vertically
    general    SEQUENCE
    --  The following two integers specify a rational number that
    --  is equivalent to a pixels width divided by a pixels height.
    {
        numerator    INTEGER (1..65535),
        denominator    INTEGER (1..65535)
    },
    nonStandardAspectRatio    NonStandardIdentifier,
    ...
}

--  PlaneAttribute
    --  Plane attributes are editable characteristics of workspace planes.
PlaneAttribute ::= CHOICE
{
    protection    PlaneProtection,
    --  Access restrictions for a plane
    nonStandardAttribute    NonStandardParameter,
    --  Non-standard attribute
    ...
}

--  PlaneProtection
    --  This enumeration identifies the possible access restrictions
    --  that can be imposed on a workspace plane.
PlaneProtection ::= SEQUENCE
{
    protectedplane    BOOLEAN,
    --  Only the SICEs granted access via the
    --  protectedPlaneAccessList can submit data to this plane.
    ...
}

--  PlaneUsage
    --  This type specifies the usage of a single plane in a workspace.
PlaneUsage ::= CHOICE
{
    annotation    NULL,
    --  The plane is designated to contain annotation data.
    image    NULL,
    --  The plane is designated to contain image data.
     nonStandardPlaneUsage    NonStandardIdentifier,
    --  The plane is designated to contain non-standard plane data.
    ...
}

--  PointList
    --  A list of points to define a drawing object using one of
    --  three possible encodings depending on how far any point
    --  in the list strays from the anchor point.
PointList ::= CHOICE
{
    pointsDiff4    SEQUENCE (SIZE (0..255)) OF PointDiff4,
    pointsDiff8    SEQUENCE (SIZE (0..255)) OF PointDiff8,
    pointsDiff16    SEQUENCE (SIZE (0..255)) OF PointDiff16
}

--  PointListEdits
    --  A list of points to edit a drawing object using one of
    --  three possible encodings depending on how far any point
    --  in the list strays from the anchor point.
PointListEdits ::= SEQUENCE SIZE (1..255) --#array-- OF SEQUENCE
{
    initialIndex    INTEGER (0..65534),
    --  Index of the first (or only) point to edit
    initialPointEdit    PointDiff16,
    --  Position of the point specified relative to the anchor point
    subsequentPointEdits    PointList OPTIONAL,
    --  Points specified relative to the previous point in this list
    --  (the first one specified relative to the initialPointEdit).
    --  When this list is used, successive points are assumed to
    --  have indices sequentially following the initialPointIndex.
    ...
}

--  PointDiff4
    --  A point specified differentially relative to an anchor point
    --  with a range from -8 to +7.
PointDiff4 ::= SEQUENCE
{
    xCoordinate    INTEGER (-8..7),
    --  X component of a Cartesian address
    yCoordinate    INTEGER (-8..7)
    --  Y component of a Cartesian address
}

--  PointDiff8
    --  A point specified differentially relative to an anchor point
    --  with a range from -128 to +127.
PointDiff8 ::= SEQUENCE
{
    xCoordinate    INTEGER (-128..127),
    --  X component of a Cartesian address
    yCoordinate    INTEGER (-128..127)
    --  Y component of a Cartesian address
}

--  PointDiff16
    --  A point specified differentially relative to an anchor point
    --  with a range from -32768 to +32767.
PointDiff16 ::= SEQUENCE
{
    xCoordinate    INTEGER (-32768..32767),
    --  X component of a Cartesian address
     yCoordinate    INTEGER (-32768..32767)
    --  Y component of a Cartesian address
}

--  RemoteEventDestinationAddress
    --  A RemoteEventDestinationAddress specifies the destination of 
    --  a remote event.
RemoteEventDestinationAddress ::= CHOICE
{
    softCopyWorkspace    Handle,
    ...,
    --  Parameters added during 1st revision
    nonStandardDestination    NonStandardParameter
}

--  RemoteEventPermission
    --  Choice of remote events that can be issued to a workspace.
RemoteEventPermission ::= CHOICE
{
    keyboardEvent    NULL,
    pointingDeviceEvent    NULL,
    nonStandardEvent    NonStandardIdentifier,
    ...
}

--  RotationSpecifier
    --  Specifies a rotation angle and an axis of revolution
RotationSpecifier ::= SEQUENCE
{
    rotationAngle    INTEGER (0..21599),
    --  0 degrees to 359 degrees 59 minutes in units of minutes
    --  of arc.
    rotationAxis    PointDiff16
    --  Workspace location relative to an objects anchor point.
}

--  SoftCopyDataPlaneAddress
    --  Address of a workspace data plane.  
SoftCopyDataPlaneAddress ::= SEQUENCE
{
    workspaceHandle    Handle,
    plane    DataPlaneID
}

--  SoftCopyPointerPlaneAddress
    --  Address of a workspace pointer plane.
SoftCopyPointerPlaneAddress ::= SEQUENCE
{
    workspaceHandle    Handle
}

--  SourceDisplayIndicator
    --  Indicator of the size and location of a workspace view within
    --  the display device of the sourcing terminal.
SourceDisplayIndicator ::= SEQUENCE
{
    displayAspectRatio    REAL (0..MAX),
    --  Aspect ratio of the display; horizontal over vertical size.
    --  Positive real values.
    horizontalSizeRatio    REAL (0..MAX),
    --  Ratio of workspace view horizontal dimension to display
    --  horizontal dimension.
    --  Positive real values.
     horizontalPosition    REAL,
    --  Horizontal offset of upper left corner of the workspace view
    --  from the upper left corner of the display normalized to the
    --  display width (where the display spans the horizontal
    --  range 0.0 to 1.0).
    verticalPosition    REAL,
    --  Vertical offset of upper left corner of the workspace view
    --  from the upper left corner of the display normalized to
    --  the display height (where the display spans the vertical
    --  range 0.0 to 1.0).
    ...
}

--  TokenID
    --  MCS Token ID.
TokenID ::= INTEGER (1..65535)

--  TransparencyMask
    --  A binary bitmap that indicates which pixels in a bitmap shall be
    --  treated as transparent.
TransparencyMask ::= SEQUENCE
{
    bitMask    CHOICE
    {
        uncompressed    OCTET STRING,
        --  Binary bitmap where a value of 1 indicates that the
        --  corresponding pixel in the reference bitmap shall be
        --  displayed. A value of 0 indicates that that pixel shall be
        --  treated as transparent.
        jbigCompressed    OCTET STRING,
        --  Same as above but additionally compressed using JBIG.
        nonStandardFormat    NonStandardParameter,
        ...
    },
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    ...
}

--  VideoWindowDestinationAddress
    --  A VideoWindowDestinationAddress specifies the destination of video windows.
VideoWindowDestinationAddress ::= CHOICE
{
    softCopyImagePlane    SoftCopyDataPlaneAddress,
    nonStandardDestination    NonStandardParameter,
    ...
} --#nocode--

--  VideoSourceIdentifier
    --  Used to reference an out-of-band video source.
VideoSourceIdentifier ::= CHOICE
{
    default    NULL,
    h243SourceIdentifier    OCTET STRING (SIZE (2)),
    --  A two-octet field. The first octet should contain
    --  the H.243 MCU ID (M), and the second octet should 
    --  contain the H.243 Terminal ID (T).
    h245SourceIdentifier    INTEGER (0..65535),
    dSMCCConnBinder    SEQUENCE OF DSMCCTap,
    videoIdentifier    OCTET STRING (SIZE (1..256)),
    nonStandardSourceIdentifier    NonStandardParameter,
    ...
} --#nocode--

 --  VideoWindowAttribute
    --  Attributes of video windows.
VideoWindowAttribute ::= CHOICE
{
    transparencyMask    TransparencyMask,
    --  Bit mask specifying which pixels should be treated
    --  as transparent within the video window.
    nonStandardAttribute    NonStandardParameter,
    ...
} --#nocode--

--  VideoWindowCreatePDU
    --  This PDU allows video windows encapculating out of band video
    --  streams to be created.
VideoWindowCreatePDU ::= SEQUENCE
{
    videoWindowHandle    Handle,
    --  Handle to be used to reference this object in the future
    destinationAddress    VideoWindowDestinationAddress,
    --  Destination address of the video window
    videoSourceIdentifier    VideoSourceIdentifier,
    --   Identifies the video source to be placed in the window
    attributes    SET OF VideoWindowAttribute OPTIONAL,
    --  List of editable attributes of the video window
    anchorPoint    WorkspacePoint OPTIONAL,
    --   Point of origin of the video window with respect to the
    --   destination workspace. Only needed for softcopy
    --   bitmaps. Default is (0,0).
    videoWindowSize    BitmapSize,
    --  Width and height of the total video window represented
    --  in the bitstream.
    videoWindowRegionOfInterest    BitmapRegion OPTIONAL,
    --  Region of interest within the video stream to be applied
    --  to the workspace Default is full video area.
    pixelAspectRatio    PixelAspectRatio,
    --  Pixel aspect ratio of the video stream
    scaling    PointDiff16 OPTIONAL,
    --  Offset in workspace coordinates of the lower right hand
    --  corner of the video window relative to the anchor point
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard
    --  capabilities are present in the negotiated capability set.
    ...
} --#nocode--

--  VideoWindowDeletePDU
    --  This PDU deletes video windows.
VideoWindowDeletePDU ::=  SEQUENCE
{
    videoWindowHandle    Handle,
    --  Handle referencing the video window
    --  to be deleted.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  VideoWindowEditPDU
    --  A VideoWindowEditPDU is used to alter one or more of
    --  a video window elements attributes or parameters.
VideoWindowEditPDU ::= SEQUENCE
{
    videoWindowHandle    Handle,
    --  Identifier of item to be edited
    videoSourceIdentifierEdit    VideoSourceIdentifier OPTIONAL,
    --  Identifies the video source to be placed in the window
    attributeEdits    SET OF VideoWindowAttribute OPTIONAL,
    --  List of attribute changes
     anchorPointEdit    WorkspacePoint OPTIONAL,
    --  Point of origin of the drawing element
    videoWindowSize    BitmapSize,
    --  Change to the width and height of the total video window
    --   represented in the bitstream
    videoWindowRegionOfInterestEdit    BitmapRegion OPTIONAL,
    --  Change to the region of interest within the video stream
    --  to be applied to the workspace
    pixelAspectRatioEdit    PixelAspectRatio OPTIONAL,
    --  Change to the pixel aspect ratio of the video stream
    scalingEdit    PointDiff16 OPTIONAL,
    --  Change to the offset in workspace coordinates of the
    --   lower right hand corner of the video window relative to
    --  the anchor point
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  ViewState
    --  Controls the visibility state of an object.
ViewState ::= CHOICE
{
    unselected    NULL,
    selected    NULL,
    hidden    NULL,
    nonStandardViewState    NonStandardIdentifier,
    ...
}

--  WorkspaceAttribute
    --  Workspace attributes are editable characteristics of workspace.
WorkspaceAttribute ::= CHOICE
{
    backgroundColor    WorkspaceColor,
    --  This specifies the background color of the workspace.
    preserve    BOOLEAN,
    --  If TRUE, the associated workspace resource should not
    --  be placed on the viewed workspace queue once it has been
    --  automatically removed from the Focus state.
    nonStandardAttribute    NonStandardParameter,
    ...
}

--  WorkspaceColor
    --  The following defines a generic type for a color, used where a
    --  color is required for drawing or workspace backgrounds.
WorkspaceColor ::= CHOICE 
{
    workspacePaletteIndex    INTEGER (0..255),
    rgbTrueColor    ColorRGB,
    transparent    NULL,
    ...
}
 --  WorkspaceCoordinate
    --  A WorkspaceCoordinate is the value of a single axis of
    --  a point in a workspace.
WorkspaceCoordinate ::= INTEGER (-21845..43690)

--  WorkspaceDeleteReason
    --  This value represents the reason codes for the 
    --  WorkspaceDeletePDU.
WorkspaceDeleteReason ::= CHOICE 
{
    userInitiated    NULL,
    --  Workspace deletion initiated by user
    insufficientStorage    NULL,
    --  Workspace deleted due to insufficient storage capacity.
    nonStandardReason    NonStandardParameter,
    ...
}


--  WorkspaceIdentifier
WorkspaceIdentifier ::= CHOICE 
{
    activeWorkspace    Handle,
    --  Handle identifying the active workspace
    archiveWorkspace    SEQUENCE
    {
        archiveHandle    Handle,
        --  Handle identifying the archive in which the archived
        --  workspace is contained
        entryName    ArchiveEntryName,
        --  Name of the archived workspace
        modificationTime    GeneralizedTime OPTIONAL
        --  If the workspace identifier is being used for an operation
        --  in which the workspace is to be modified, this parameter
        --  shall indicate the time of modification.
        --  In this case, the archive header is modified to reflect the
        --  most recent modification time. Otherwise, this parameter
        --  shall not be included.
    },
    ...
}
 --  WorkspacePoint
    --  A WorkspacePoint is a two-dimensional address of a location in a 
    --  workspace plane including points in the invisible border areas.
WorkspacePoint ::= SEQUENCE 
{
    xCoordinate    WorkspaceCoordinate,
    --  X component of a Cartesian address
    yCoordinate    WorkspaceCoordinate
    --  Y component of a Cartesian address
}

--  WorkspaceRegion
    --  This type can be used to describe both the size and 
    --  position of a rectangular region within a workspace.
WorkspaceRegion ::= SEQUENCE 
{
    upperLeft    WorkspacePoint,
    lowerRight    WorkspacePoint
}

--  WorkspaceSize
    --  The size of a workspace in pixels.
WorkspaceSize ::= SEQUENCE
{
    width    INTEGER (1..21845),
    --  The number of pixels horizontally
    height    INTEGER (1..21845)
    --  The number of pixels vertically
}

--  WorkspaceViewAttribute
    --  View attributes are editable characteristics of workspace views.
WorkspaceViewAttribute ::= CHOICE
{
    viewRegion    CHOICE
    {
        fullWorkspace    NULL,
        --  View the entire workspace
        partialWorkspace    WorkspaceRegion
        --  Rectangle defining the region of the workspace to view.
        --  The view shall not extend beyond the boundaries of
        --  the workspace.
    },
    viewState    WorkspaceViewState,
    --  Visibility state of the view
    updatesEnabled    BOOLEAN,
    --  If this attribute is set to FALSE (the default is TRUE), it
    --  is an indication that subsequent updates to the workspace
    --  corresponding to this view not be shown until this attribute
    --  is set to TRUE.
    sourceDisplayIndicator    SourceDisplayIndicator,
    --  Indicates the characteristics of the view within the source
    --  display device
    nonStandardAttribute    NonStandardParameter,
    ...
}

--  WorkspaceViewState
    --  A views state indicates how the local terminal should
    --  display the view.
WorkspaceViewState ::= CHOICE
{
    hidden    NULL,
    --  This workspace should not be shown to the user.
     background    NULL,
    --  The display of this workspace is optional.
    foreground    NULL,
    --  The display of this workspace is desirable.
    focus    NULL, 
    --  The display of this workspace is mandatory. Only one
    --  workspace may be set to this state.
    nonStandardState    NonStandardIdentifier,
    ...
}

--  ZOrder
    --  This enumerated type is used to specify a transition to front
    --  or back of an object within an addressable plane.
ZOrder ::= ENUMERATED
{
    front    (0),
    --  Move object to the front of the plane display list
    back    (1),
    --  Move object to the back of the plane display list
    ...
}

--  Begin SIPDU Definitions

--  ArchiveAcknowledgePDU
    --  The ArchiveAcknowledgePDU is used to acknowledge that an archive
    --  has been successfully opened.
ArchiveAcknowledgePDU ::=  SEQUENCE
{
    archiveHandle    Handle, 
    --  Unique handle that references the archive
    result    ArchiveOpenResult,
    --  Indicates whether or not the archive was opened successfully
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  ArchiveClosePDU
    --  The ArchiveClosePDU is used to close an archive that was 
    --  previously opened during an SI session.
ArchiveClosePDU ::=  SEQUENCE
{
    archiveHandle    Handle,
    --  Unique handle that references the archive
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  ArchiveErrorPDU
    --  The ArchiveErrorPDU is used by a terminal receiving an 
    --  archive PDU to signal error conditions to the sender.
ArchiveErrorPDU ::=  SEQUENCE
{
    archiveHandle    Handle,
    --  Unique handle that references the archive
     entryName    ArchiveEntryName OPTIONAL,
    --  Specifies the archive entry associated with the error if
    --  applicable
    errorCode    ArchiveError,
    --  Specifies the cause of the error at the remote terminal
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  ArchiveOpenPDU
    --  The ArchiveOpenPDU is used to open an archive at a 
    --  remote terminal that supports this capability.
ArchiveOpenPDU ::=  SEQUENCE
{
    archiveHandle    Handle,
    --  Unique handle that is used to reference this archive during
    --   the session
    mode    ArchiveMode,
    --  Indicates the access restrictions placed on the archive
    header    ArchiveHeader,
    --  Specifies information used to identify the archive. If the archive
    --  is being created, this is the information that is used to identify
    --  the archive in the future.
    maxEntries    INTEGER (1..65535) OPTIONAL,
    --  This parameter allows remote terminals to estimate the local
    --  resource usage for the specified archive so they can signal an
    --  error early in the archiving process. It is only to be specified if 
    --  the archive open mode is set to "create".
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities are
    --  present in the negotiated capability set.
    ...
} --#nocode--

--  BitmapAbortPDU
    --  This PDU is used by both the transmitting SICE to signal that a 
    --  bitmap exchange is being aborted and by an SICE requesting that
    --  a bitmap exchange in progress be aborted.
BitmapAbortPDU ::=  SEQUENCE
{
    bitmapHandle    Handle,
    --  Handle referring to the bitmap being created
    userID    MCSUserID OPTIONAL, 
    --  Optionally provided by the transmitter if identification of
    --  the source of the abort is desired
    reason    BitmapAbortReason OPTIONAL,
    message    BMPString (SIZE (1..256)) OPTIONAL,
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}
 --  BitmapCheckpointPDU
    --  This PDU is used by a terminal that is transmitting a bitmap
    --  when it wants to notify receiving terminals that they should
    --  display previously received data.
BitmapCheckpointPDU ::=  SEQUENCE 
{
    bitmapHandle    Handle,
    --  Handle used to reference this bitmap
    passedCheckpoints    SET (SIZE (1..100)) OF TokenID,
    --  List of checkpoints that have been uninhibited by all nodes
    percentComplete    INTEGER (1..100),
    --  Cumulative portion of the bitmap completed as a result of
    --  all passed checkpoints so far
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  BitmapCreatePDU
    --  This PDU is used to initiate a bitmap transmission.
BitmapCreatePDU ::=  SEQUENCE
{
    bitmapHandle    Handle,
    --  Handle to be used to reference this object in the future
    destinationAddress    BitmapDestinationAddress,
    --  Destination address of the bitmap
    attributes    SET OF BitmapAttribute OPTIONAL,
    --  List of editable attributes of the bitmap
    anchorPoint    WorkspacePoint OPTIONAL,
    --  Point of origin of the bitmap with respect to the
    --  destination workspace. Only needed for softcopy bitmaps.
    --  Default is (0,0).
    bitmapSize    BitmapSize,
    --  Width and height of the total bitmap represented in the
    --  bitstream. For a multi-component bitmap, this is the
    --  size of the largest component.
    bitmapRegionOfInterest    BitmapRegion OPTIONAL,
    --  Region of interest within the bitmap to be applied to the
    --  workspace
    --  Default is full bitmap.
    pixelAspectRatio    PixelAspectRatio,
    --  Pixel aspect ratio of the bitmap
    scaling    PointDiff16 OPTIONAL,
    --  Offset in workspace coordinates of the lower right hand
    --  corner of the bitmap relative to the anchor point.
    --  Default is no scaling.
    --  Only needed for softcopy bitmaps.
    checkpoints    SEQUENCE (SIZE (1..100)) OF TokenID OPTIONAL,
    --  Tokens to be used for checkpointing the bitmap create
    --   exchange
     bitmapFormatHeader    CHOICE
    --  The following headers provide image bitstream parameters
    --  that are outside the scope of the corresponding coding
    --  standard but are necessary for image decompression. 
    --  NOTE: Some bitmap formats are disallowed depending
    --  on the value of the destinationAddress parameter.
    {
        bitmapHeaderUncompressed    BitmapHeaderUncompressed,
        --  Parameters for the uncompressed pixel representation
        bitmapHeaderT4    BitmapHeaderT4,
        --  Parameters for T4 (G3) encoded bitstreams outside
        --  the T.4 standards scope
        bitmapHeaderT6    BitmapHeaderT6,
        --  Parameters for T6 (G4) encoded bitstreams outside
        --  the T.6 standards scope
        bitmapHeaderT81    BitmapHeaderT81,
        --  Parameters for T.81 (JPEG) encoded bitstreams 
        --  outside the T.81 standards scope
        bitmapHeaderT82    BitmapHeaderT82,
        --  Parameters for T.82 (JBIG) encoded bitstreams 
        --  outside the T.82 standards scope
        bitmapHeaderNonStandard    NonStandardParameter,
        ...
    },
    bitmapData    BitmapData OPTIONAL,
    --  Compression format specific bitmap data padded to
    --   be byte-aligned.
    moreToFollow    BOOLEAN,
    --  Indicates whether or not this is the last block of data for
    --  the bitmap
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  BitmapCreateContinuePDU
    --  This PDU is used by the transmitting SICE to continue
    --  a bitmap transmission begun by a BitmapCreatePDU
BitmapCreateContinuePDU ::=  SEQUENCE
{
    bitmapHandle    Handle,
    --  Handle referring to the bitmap being created
    bitmapData    BitmapData,
    --  Bitmap data
    moreToFollow    BOOLEAN,
    --  Indicates whether or not this is the last block of data for
    --  the bitmap
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}
 --  BitmapDeletePDU
    --  This PDU is used to delete bitmaps.
BitmapDeletePDU ::=  SEQUENCE
{
    bitmapHandle    Handle,
    --  Handle used to reference this bitmap
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  BitmapEditPDU
    --  This PDU is used to change bitmap attributes.
BitmapEditPDU ::=  SEQUENCE
{
    bitmapHandle    Handle,
    --  Handle used to reference this bitmap
    attributeEdits    SET OF BitmapAttribute OPTIONAL,
    --  List of attributes to be edited
    anchorPointEdit    WorkspacePoint OPTIONAL,
    --  Point of origin of the bitmap with respect to the destination
    --  workspace
    bitmapRegionOfInterestEdit    BitmapRegion OPTIONAL,
    --  Region of interest within the bitmap to be applied to the
    --  workspace
    scalingEdit    PointDiff16 OPTIONAL,
    --  Offset in workspace coordinates of the lower right hand
    --  corner of the bitmap relative to the anchor point
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  ConductorPrivilegeGrantPDU
    --  This PDU is used by the conductor to grant or revoke privileges
    --  when the session is in conducted mode.
ConductorPrivilegeGrantPDU ::=  SEQUENCE
{
    destinationUserID    MCSUserID,
    --  MCS User ID of the destination node
    privilegeList    SET OF ConductorPrivilege,
    --  A particular privilege shall appear in this list no more
    --  than once.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}
 --  ConductorPrivilegeRequestPDU
    --  This PDU is used to request privileges from the conductor
    --  when the session is in conducted mode.
ConductorPrivilegeRequestPDU ::=  SEQUENCE
{
    privilegeList    SET OF ConductorPrivilege,
    --  A particular privilege shall appear in this list no more
    --  than once.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  DrawingCreatePDU
    --  A drawingCreate PDU is used to deposit one or more 
    --  drawing elements to a workspace plane.
DrawingCreatePDU ::=  SEQUENCE
{
    drawingHandle    Handle OPTIONAL,
    --  Handle to be used to reference this drawing object in
    --  future exchanges. Note that editing and deleting objects is 
    --  only valid if the target plane is of type "editable".
    destinationAddress    DrawingDestinationAddress,
    --  Destination of drawing
    drawingType    DrawingType,
    --  Which basic drawing shape this element represents
    attributes    SET OF DrawingAttribute OPTIONAL,
    --  Attributes of the drawing object.
    --  NOTE: All attributes have default values that are assumed
    --  if the attribute is not specified.
    anchorPoint    WorkspacePoint,
    --  Point of origin of the drawing element.
    --  This forms the first of the control points and is the point
    --  from which all other control points are defined relative to.
    rotation    RotationSpecifier OPTIONAL,
    --  Specifies a rotation angle and point of revolution for
    --  the drawing element
    sampleRate    INTEGER (1..255) OPTIONAL,
    --  For applicable types, this indicates the rate at which
    --  points were acquired by the transmitting terminal
    --  (in samples per second) so they can be replayed at
    --  a similar rate if desired
    pointList    PointList,
    --  List of control points that define the drawing shape.
    --  The interpretation of the control point list is dependent on
    --  the value of the "type" parameter.
    --  Note that the control points in the list are differentially
    --  encoded from the previous.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}
 --  DrawingDeletePDU
    --  A DrawingDeletePDU is used to delete one  
    --  graphical element from a workspace plane.
DrawingDeletePDU ::=  SEQUENCE
{
    drawingHandle    Handle,
    --  Drawing object to delete
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  DrawingEditPDU
    --  A DrawingEditPDU is used to alter one or more of 
    --  a drawing elements attributes or parameters.
DrawingEditPDU ::= SEQUENCE
{
    drawingHandle    Handle,
    --  Identifier of item to be edited
    attributeEdits    SET OF DrawingAttribute OPTIONAL,
    --  List of attribute changes
    anchorPointEdit    WorkspacePoint OPTIONAL,
    --  Point of origin of the drawing element
    rotationEdit    RotationSpecifier OPTIONAL,
    --  Specifies a rotation angle and point of revolution for the
    --  drawing element
    pointListEdits    PointListEdits OPTIONAL,
    --  List of control point changes.
    --  Note that the index refers to
    --  the point list not including the anchor point.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  FontPDU
FontPDU ::= SEQUENCE
{
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard
    --  capabilities are present in the negotiated capability set.
    ...
}

--  RemoteEventPermissionGrantPDU
    --  This PDU is used to grant permission to issue remote
    --  events.
RemoteEventPermissionGrantPDU ::=  SEQUENCE
{
    destinationAddress    RemoteEventDestinationAddress,
    --  Address to which remote event permission is being granted
    destinationUserID    MCSUserID,
    --  MCS User ID of the destination node
    remoteEventPermissionList    SET OF RemoteEventPermission,
    --  A particular permission shall not be included in this list more
    --  than once.
     nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities are
    --  present in the negotiated capability set.
    ...
}

--  RemoteEventPermissionRequestPDU
    --  This PDU is used to request permission to issue remote
    --  events from the workspace creator.
RemoteEventPermissionRequestPDU ::=  SEQUENCE
{
    destinationAddress    RemoteEventDestinationAddress,
    --  Address to which remote event permission is being requested
    remoteEventPermissionList    SET OF RemoteEventPermission,
    --  A particular permission shall not be included in this list more
    --  than once.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  RemoteKeyboardEventPDU
    --  This PDU signals keyboard event.
RemoteKeyboardEventPDU ::=  SEQUENCE
{
    destinationAddress    RemoteEventDestinationAddress,
    --  Destination address of remote event
    keyModifierStates    SET OF KeyModifier OPTIONAL,
    --  Set of key modifiers. Only modifiers in this list
    --  are assumed to be active.
    --  A particular key modifier shall not be included
    --  in this set more than once.
    keyPressState    KeyPressState,
    --  This item specifies keyboard event that is being signaled
    keyCode    KeyCode,
    --  Character corresponding to the pressed key or function key
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  RemotePointingDeviceEventPDU
    --  This PDU is used to signal pointing device events.
RemotePointingDeviceEventPDU ::=  SEQUENCE 
{
    destinationAddress    RemoteEventDestinationAddress,
    --  Destination address of remote event
    leftButtonState    ButtonEvent,
    --  This specifies the left button state.
    middleButtonState    ButtonEvent,
    --  This specifies the middle button state.
    rightButtonState    ButtonEvent,
    --  This specifies the right button state.
    initialPoint    WorkspacePoint,
    --  This specifies the initial pointing device position.
     sampleRate    INTEGER (1..255) OPTIONAL,
    --  This parameter indicates the rate at which points were
    --  acquired by the transmitting terminal (in samples per second)
    --  so they can be replayed at a similar rate if desired.
    pointList    PointList OPTIONAL,
    --  Additional coordinates that are each differentially encoded
    --  with respect to the initialPoint parameter
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  RemotePrintPDU
    --  This PDU is used to instruct a remote terminal to print
    --  the specified workspace.
RemotePrintPDU ::=  SEQUENCE
{
    destinationAddress    RemoteEventDestinationAddress,
    --  Destination address of remote event
    numberOfCopies    INTEGER (1..65536) OPTIONAL,
    --  Number of copies to be printed
    portrait    BOOLEAN OPTIONAL,
    --  TRUE specifies a portrait paper orientation.
    --  FALSE specifies a landscape paper orientation.
    regionOfInterest    WorkspaceRegion OPTIONAL,
    --  Optionally defines rectangular region of interest
    --  within the workspace to be printed.
    --  If not present, it is implied that
    --  the entire workspace is to be printed.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  SINonStandardPDU
    --  This PDU allows any non-standard information to be transmitted.
SINonStandardPDU ::=  SEQUENCE 
{
    nonStandardTransaction    NonStandardParameter,
    ...
}


--  TextCreatePDU 
TextCreatePDU ::= SEQUENCE
{
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  TextDeletePDU
TextDeletePDU ::= SEQUENCE
{
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  TextEditPDU
TextEditPDU ::= SEQUENCE
{
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
} --#nocode--

--  WorkspaceCreatePDU
    --  This PDU causes a workspace to be created and its
    --  attributes to be set.
WorkspaceCreatePDU ::=  SEQUENCE 
{
    workspaceIdentifier    WorkspaceIdentifier,
    --  Identifier that will be used to reference this workspace
    --  in the future.
    appRosterInstance    INTEGER (0..65535),
    --  Indicates which application roster instance (returned in the 
    --  GCC-Application-Roster-Report indication) was valid when
    --  this PDU was issued. This is used to eliminate race conditions
    --  that can occur when terminals enter a session while a workspace
    --  is being created.
    synchronized    BOOLEAN,
    --  TRUE specifies that the workspace contents stacking
    --  order must be consistent everywhere.
    --  In many cases, this implies the use of
    --  MCS-UNIFORM-SEND-DATA for SIPDU submission.
    --  FALSE specifies that the workspace contents do not have
    --   to be consistent in stacking order; therefore the use of 
    --  MCS-SEND-DATA is acceptable for all content 
    --  submitting transactions.
    acceptKeyboardEvents    BOOLEAN,
    --  If TRUE this workspace can accept remote
    --  keyboard events.
    acceptPointingDeviceEvents    BOOLEAN,
    --  If TRUE this workspace can accept remote pointer
    --  device events.
    protectedPlaneAccessList    SET (SIZE (1..65536)) OF MCSUserID OPTIONAL,
    --  The ability to modify any protected plane in this workspace is
    --  restricted only to SICEs on this list. The creator of the workspace
    --  is NOT automatically granted access to these planes unless
    --  explicitly on this list.
    workspaceSize    WorkspaceSize,
    --  This value specifies the width and height of the new
    --  workspace in pixels.
    workspaceAttributes    SET OF WorkspaceAttribute OPTIONAL,
    --  Editable attributes of the workspace

    planeParameters    SEQUENCE (SIZE (1..256)) OF SEQUENCE
    --  This sequence contains plane parameters.
    --  Its length is the number of planes in the workspace.
     {
        editable    BOOLEAN,
        --  This item specifies whether objects created on this plane
        --  are editable
        --  If not editable, each plane is treated as a bitmap image.
        usage    SET (SIZE (1..MAX)) OF PlaneUsage,
        --  This item specifies restrictions on the usage of this plane
        --  (image data or annotation data).
        --  At least one use shall be included.
        --  A particular usage designator shall be listed
        --  no more than once.
        planeAttributes    SET OF PlaneAttribute OPTIONAL,
        --  List of attributes
        --  A particular attribute shall be listed no more than once.
        ...
    },
    viewParameters    SET (SIZE (1..256)) OF SEQUENCE
    --  Each entry in this list (if any) defines a view to be created in
    --  association with this workspace.
    {
        viewHandle    Handle,
        --  Identifier of the view to be created
        viewAttributes    SET OF WorkspaceViewAttribute OPTIONAL,
        --  Editable attributes of the view
        ...
    } OPTIONAL,

    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  WorkspaceCreateAcknowledgePDU
    --  This PDU acknowledges the reception of a WorkspaceCreatePDU in 
    --  the case of unsynchronized workspace.
WorkspaceCreateAcknowledgePDU ::=  SEQUENCE 
{
    workspaceIdentifier    WorkspaceIdentifier,
    --  Workspace being acknowledged.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  WorkspaceDeletePDU
    --  This PDU causes a workspace to be destroyed.
WorkspaceDeletePDU ::=  SEQUENCE 
{
    workspaceIdentifier    WorkspaceIdentifier,
    --  Workspace to be deleted
    reason    WorkspaceDeleteReason,
    --  Reason for deletion of the workspace
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}
 --  WorkspaceEditPDU
    --  This PDU allows workspace attributes to be edited.
WorkspaceEditPDU ::=  SEQUENCE 
{
    workspaceIdentifier    WorkspaceIdentifier,
    --  Workspace to be edited
    attributeEdits    SET OF WorkspaceAttribute OPTIONAL,
    --  List of attribute changes

    planeEdits    SET (SIZE (1..256)) OF SEQUENCE
    {
        plane    DataPlaneID,
        --  Plane whose attributes are to be edited
        planeAttributes    SET OF PlaneAttribute,
        --  List of attributes to change
        ...
    } OPTIONAL,

    viewEdits    SET (SIZE (1..256)) OF SEQUENCE
    {
        viewHandle    Handle,
        --  Identifier of the view to be edited
        action    CHOICE
        {
            createNewView    SET OF WorkspaceViewAttribute,
            --  Editable attributes of the view
            editView    SET OF WorkspaceViewAttribute,
            --  List of attributes to change
            deleteView    NULL,
            nonStandardAction    NonStandardParameter,
            ...
        },
        ...
    } OPTIONAL,

    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard
    --  capabilities are present in the negotiated capability set.
    ...
}

--  WorkspacePlaneCopyPDU
    --  This PDU causes a portion of a plane to be copied
    --  to another plane (either intra- or inter-workspace).
    --   The source and destinations must either both be
    --  permanent or both be editable, and they must have the same
    --  usage designator; otherwise copy for that plane will
    --  not take place.
    --  If the planes are editable, objects with any of their control
    --  points falling totally within the source rectangle are copied.
    --  If the Scaling capability has been negotiated in the case of a
    --  softcopy workspace then it is not necessary for the source and
    --  destination rectangles to be the same size.
WorkspacePlaneCopyPDU ::=  SEQUENCE 
{
    sourceWorkspaceIdentifier    WorkspaceIdentifier,
    --  Workspace to be copied
    sourcePlane    DataPlaneID,
    --  Source plane identifier
    destinationWorkspaceIdentifier    WorkspaceIdentifier,
    --  Destination workspace identifier.
    --  May be the same as the source workspace
    destinationPlane    DataPlaneID,
    --  Destination plane identifier.
    --  May be the same as the source plane
    copyDescriptor    CHOICE
    {
        permanentPlaneCopyDescriptor    PermanentPlaneCopyDescriptor,
        editablePlaneCopyDescriptor    EditablePlaneCopyDescriptor,
        ...
    },
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

-- WorkspaceReadyPDU
    --  This PDU signals that a workspace create is complete (for 
    --  unsynchronized workspaces).
WorkspaceReadyPDU ::=  SEQUENCE 
{
    workspaceIdentifier    WorkspaceIdentifier,
    --  Workspace being enabled
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  WorkspaceRefreshStatusPDU
    --  This PDU is used by an SICE to announce or remit its status as 
    --  the session refresh SICE for SICEs that join late.
WorkspaceRefreshStatusPDU ::= SEQUENCE 
{
    refreshStatus    BOOLEAN,
    --  TRUE indicates that the SICE sourcing this PDU is
    --  functioning as the session-wide refresher.
    --  FALSE indicates that the SICE sourcing this PDU has
    --  ceased to function as the session-wide refresher.
    nonStandardParameters    SET OF NonStandardParameter OPTIONAL,
    --  Allowed only if the corresponding non-standard capabilities
    --  are present in the negotiated capability set.
    ...
}

--  SIPDU
    --  The set of all SIPDUs.
SIPDU ::= CHOICE  
{
    archiveAcknowledgePDU    ArchiveAcknowledgePDU,
    archiveClosePDU    ArchiveClosePDU,
    archiveErrorPDU    ArchiveErrorPDU,
    archiveOpenPDU    ArchiveOpenPDU,

    bitmapAbortPDU    BitmapAbortPDU,
    bitmapCheckpointPDU    BitmapCheckpointPDU,
    bitmapCreatePDU    BitmapCreatePDU,
    bitmapCreateContinuePDU    BitmapCreateContinuePDU,
    bitmapDeletePDU    BitmapDeletePDU,
    bitmapEditPDU    BitmapEditPDU,
     conductorPrivilegeGrantPDU    ConductorPrivilegeGrantPDU,
    conductorPrivilegeRequestPDU    ConductorPrivilegeRequestPDU,

    drawingCreatePDU    DrawingCreatePDU,
    drawingDeletePDU    DrawingDeletePDU,
    drawingEditPDU    DrawingEditPDU,

    remoteEventPermissionGrantPDU    RemoteEventPermissionGrantPDU,
    remoteEventPermissionRequestPDU    RemoteEventPermissionRequestPDU,
    remoteKeyboardEventPDU    RemoteKeyboardEventPDU,
    remotePointingDeviceEventPDU    RemotePointingDeviceEventPDU,
    remotePrintPDU    RemotePrintPDU,

    siNonStandardPDU    SINonStandardPDU,

    workspaceCreatePDU    WorkspaceCreatePDU,
    workspaceCreateAcknowledgePDU    WorkspaceCreateAcknowledgePDU,
    workspaceDeletePDU    WorkspaceDeletePDU,
    workspaceEditPDU    WorkspaceEditPDU,
    workspacePlaneCopyPDU    WorkspacePlaneCopyPDU,
    workspaceReadyPDU    WorkspaceReadyPDU,
    workspaceRefreshStatusPDU    WorkspaceRefreshStatusPDU,

    ...,

    --  PDUs Added During 1st Revision
    fontPDU    FontPDU,
       textCreatePDU    TextCreatePDU,
    textDeletePDU    TextDeletePDU,
    textEditPDU    TextEditPDU,

    videoWindowCreatePDU    VideoWindowCreatePDU,
    videoWindowDeleatePDU    VideoWindowDeletePDU,
    videoWindowEditPDU    VideoWindowEditPDU


}
--  End SI Definitions
END