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269 lines
10 KiB
269 lines
10 KiB
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#ifndef __cmnquryp_h
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#define __cmnquryp_h
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DEFINE_GUID(IID_IQueryFrame, 0x7e8c7c20, 0x7c9d, 0x11d0, 0x91, 0x3f, 0x0, 0xaa, 0x00, 0xc1, 0x6e, 0x65);
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DEFINE_GUID(IID_IQueryHandler, 0xa60cc73f, 0xe0fc, 0x11d0, 0x97, 0x50, 0x0, 0xa0, 0xc9, 0x06, 0xaf, 0x45);
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#ifndef GUID_DEFS_ONLY
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#define CQFF_ISNEVERLISTED 0x0000004 // = 1 => form not listed in the form selector
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#define CQPF_ISGLOBAL 0x00000001 // = 1 => this page is global, and added to all forms
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#define OQWF_HIDESEARCHPANE 0x00000100 // = 1 => hide the search pane by on opening
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//-----------------------------------------------------------------------------
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// Query handler interfaces structures etc
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//-----------------------------------------------------------------------------
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//
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// Query Scopes
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// ============
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// A query scope is an opaque structure passed between the query handler
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// and the query frame. When the handler is first invoked it is asked
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// to declare its scope objects, which inturn the frame holds. When the
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// query is issued the scope is passed back to the handler.
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//
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// When a scope is registered the cbSize field of the structure passed
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// is used to define how large the scope is, that entire blob is then
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// copied into a heap allocation. Therefore allowing the handler
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// to create scope blocks on the stack, knowing that the frame will
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// take a copy when it calls the AddProc.
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//
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struct _cqscope;
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typedef struct _cqscope CQSCOPE;
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typedef CQSCOPE* LPCQSCOPE;
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typedef HRESULT (CALLBACK *LPCQSCOPEPROC)(LPCQSCOPE pScope, UINT uMsg, LPVOID pVoid);
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struct _cqscope
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{
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DWORD cbStruct;
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DWORD dwFlags;
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LPCQSCOPEPROC pScopeProc;
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LPARAM lParam;
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};
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#define CQSM_INITIALIZE 0x0000000
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#define CQSM_RELEASE 0x0000001
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#define CQSM_GETDISPLAYINFO 0x0000003 // pVoid -> CQSCOPEDISPLAYINFO
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#define CQSM_SCOPEEQUAL 0x0000004 // pVoid -> CQSCOPE
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typedef struct
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{
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DWORD cbStruct;
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DWORD dwFlags;
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LPWSTR pDisplayName;
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INT cchDisplayName;
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LPWSTR pIconLocation;
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INT cchIconLocation;
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INT iIconResID;
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INT iIndent;
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} CQSCOPEDISPLAYINFO, * LPCQSCOPEDISPLAYINFO;
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//
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// Command ID's reserved for the frame to use when talking to
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// the handler. The handler must use only the IDs in the
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// range defined by CQID_MINHANDLERMENUID and CQID_MAXHANDLERMENUID
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//
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#define CQID_MINHANDLERMENUID 0x0100
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#define CQID_MAXHANDLERMENUID 0x4000 // all handler IDs must be below this threshold
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#define CQID_FILE_CLOSE (CQID_MAXHANDLERMENUID + 0x0100)
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#define CQID_VIEW_SEARCHPANE (CQID_MAXHANDLERMENUID + 0x0101)
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#define CQID_LOOKFORLABEL (CQID_MAXHANDLERMENUID + 0x0200)
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#define CQID_LOOKFOR (CQID_MAXHANDLERMENUID + 0x0201)
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#define CQID_LOOKINLABEL (CQID_MAXHANDLERMENUID + 0x0202)
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#define CQID_LOOKIN (CQID_MAXHANDLERMENUID + 0x0203)
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#define CQID_BROWSE (CQID_MAXHANDLERMENUID + 0x0204)
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#define CQID_FINDNOW (CQID_MAXHANDLERMENUID + 0x0205)
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#define CQID_STOP (CQID_MAXHANDLERMENUID + 0x0206)
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#define CQID_CLEARALL (CQID_MAXHANDLERMENUID + 0x0207)
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#define CQID_RESULTSLABEL (CQID_MAXHANDLERMENUID + 0x0208)
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//
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// When calling IQueryHandler::ActivateView the following reason codes
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// are passed to indicate the type of activation being performed
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//
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#define CQRVA_ACTIVATE 0x00 // wParam = 0, lParam = 0
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#define CQRVA_DEACTIVATE 0x01 // wParam = 0, lParam = 0
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#define CQRVA_INITMENUBAR 0x02 // wParam/lParam => WM_INITMENU
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#define CQRVA_INITMENUBARPOPUP 0x03 // wParam/lParam => WM_INITMENUPOPUP
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#define CQRVA_FORMCHANGED 0x04 // wParam = title length, lParam -> title string
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#define CQRVA_STARTQUERY 0x05 // wParam = fStarted, lParam = 0
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#define CQRVA_HELP 0x06 // wParma = 0, lParam = LPHELPINFO
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#define CQRVA_CONTEXTMENU 0x07 // wParam/lParam from the WM_CONTEXTMENU call on the frame
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//
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// The frame creates the view and then queries the handler for display
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// information (title, icon, animation etc). These are all loaded as
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// resources from the hInstance specified, if 0 is specified for any
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// of the resource ID's then defaults are used.
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//
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typedef struct
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{
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DWORD dwFlags; // display attributes
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HINSTANCE hInstance; // resource hInstance
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INT idLargeIcon; // resource ID's for icons
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INT idSmallIcon;
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INT idTitle; // resource ID for title string
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INT idAnimation; // resource ID for animation
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} CQVIEWINFO, * LPCQVIEWINFO;
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//
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// IQueryHandler::GetViewObject is passed a scope indiciator to allow it
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// to trim the result set. All handlers must support CQRVS_SELECTION. Also,
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// CQRVS_HANDLERMASK defines the flags available for the handler to
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// use internally.
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//
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#define CQRVS_ALL 0x00000001
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#define CQRVS_SELECTION 0x00000002
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#define CQRVS_MASK 0x00ffffff
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#define CQRVS_HANDLERMASK 0xff000000
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//
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// When invoking the query all the parameters, the scope, the form
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// etc are bundled into this structure and then passed to the
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// IQueryHandler::IssueQuery method, it inturn populates the view
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// previously created with IQueryHandler::CreateResultView.
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//
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typedef struct
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{
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DWORD cbStruct;
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DWORD dwFlags;
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LPCQSCOPE pQueryScope; // handler specific scope
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LPVOID pQueryParameters; // handle specific argument block
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CLSID clsidForm; // form ID
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} CQPARAMS, * LPCQPARAMS;
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//
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// Query Frame Window Messages
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// ===========================
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//
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// CQFWM_ADDSCOPE
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// --------------
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// wParam = LPCQSCOPE, lParam = HIWORD(index), LOWORD(fSelect)
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//
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// Add a scope to the scope list of the dialog, allows async scope collection
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// to be performed. When the handlers AddScopes method is called then
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// handler can return S_OK, spin off a thread and post CQFWM_ADDSCOPE
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// messages to the frame, which will inturn allow the scopes to be
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// added to the control. When the frame receives this message it copies
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// the scope as it does on IQueryFrame::AddScope, if the call fails it
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// returns FALSE.
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//
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#define CQFWM_ADDSCOPE (WM_USER+256)
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//
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// CQFWM_GETFRAME
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// --------------
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// wParam = 0, lParam = (IQueryFrame**)
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//
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// Allows an object to query for the frame window's IQueryFrame
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// interface, this is used by the property well to talk to the
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// other forms within the system.
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//
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#define CQFWM_GETFRAME (WM_USER+257)
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//
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// CQFWM_ALLSCOPESADDED
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// --------------------
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// wParam = 0, lParam = 0
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//
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// If a handler is adding scopes async, then it should issue this message
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// when all the scopes have been added. That way if the caller specifies
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// OQWF_ISSUEONOPEN we can start the query once all the scopes have been
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// added.
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//
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#define CQFWM_ALLSCOPESADDED (WM_USER+258)
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//
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// CQFWM_STARTQUERY
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// ----------------
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// wParam = 0, lParam = 0
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//
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// This call can be made by the frame or the form, it allows it to
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// start the query running in those cases where a form really needs
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// this functionality.
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//
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// NB: this should be kept private!
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//
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#define CQFWM_STARTQUERY (WM_USER+259)
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//
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// CQFWM_SETDEFAULTFOCUS
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// ---------------------
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// Posted to ourselves to ensure focus is on the right control.
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//
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#define CQFWM_SETDEFAULTFOCUS (WM_USER+260)
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//
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// IQueryFrame
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//
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#undef INTERFACE
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#define INTERFACE IQueryFrame
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DECLARE_INTERFACE_(IQueryFrame, IUnknown)
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{
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// *** IUnknown methods ***
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STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID * ppvObj) PURE;
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STDMETHOD_(ULONG,AddRef)(THIS) PURE;
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STDMETHOD_(ULONG,Release)(THIS) PURE;
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// *** IQueryFrame methods ***
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STDMETHOD(AddScope)(THIS_ LPCQSCOPE pScope, INT i, BOOL fSelect) PURE;
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STDMETHOD(GetWindow)(THIS_ HWND* phWnd) PURE;
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STDMETHOD(InsertMenus)(THIS_ HMENU hmenuShared, LPOLEMENUGROUPWIDTHS lpMenuWidth) PURE;
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STDMETHOD(RemoveMenus)(THIS_ HMENU hmenuShared) PURE;
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STDMETHOD(SetMenu)(THIS_ HMENU hmenuShared, HOLEMENU holereservedMenu) PURE;
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STDMETHOD(SetStatusText)(THIS_ LPCTSTR pszStatusText) PURE;
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STDMETHOD(StartQuery)(THIS_ BOOL fStarting) PURE;
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STDMETHOD(LoadQuery)(THIS_ IPersistQuery* pPersistQuery) PURE;
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STDMETHOD(SaveQuery)(THIS_ IPersistQuery* pPersistQuery) PURE;
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STDMETHOD(CallForm)(THIS_ LPCLSID pForm, UINT uMsg, WPARAM wParam, LPARAM lParam) PURE;
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STDMETHOD(GetScope)(THIS_ LPCQSCOPE* ppScope) PURE;
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STDMETHOD(GetHandler)(THIS_ REFIID riid, void **ppv) PURE;
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};
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//
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// IQueryHandler interface
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//
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#undef INTERFACE
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#define INTERFACE IQueryHandler
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DECLARE_INTERFACE_(IQueryHandler, IUnknown)
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{
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// *** IUnknown methods ***
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STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID * ppvObj) PURE;
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STDMETHOD_(ULONG,AddRef)(THIS) PURE;
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STDMETHOD_(ULONG,Release)(THIS) PURE;
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// *** IQueryHandler methods ***
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STDMETHOD(Initialize)(THIS_ IQueryFrame* pQueryFrame, DWORD dwOQWFlags, LPVOID pParameters) PURE;
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STDMETHOD(GetViewInfo)(THIS_ LPCQVIEWINFO pViewInfo) PURE;
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STDMETHOD(AddScopes)(THIS) PURE;
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STDMETHOD(BrowseForScope)(THIS_ HWND hwndParent, LPCQSCOPE pCurrentScope, LPCQSCOPE* ppScope) PURE;
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STDMETHOD(CreateResultView)(THIS_ HWND hwndParent, HWND* phWndView) PURE;
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STDMETHOD(ActivateView)(THIS_ UINT uState, WPARAM wParam, LPARAM lParam) PURE;
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STDMETHOD(InvokeCommand)(THIS_ HWND hwndParent, UINT idCmd) PURE;
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STDMETHOD(GetCommandString)(THIS_ UINT idCmd, DWORD dwFlags, LPTSTR pBuffer, INT cchBuffer) PURE;
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STDMETHOD(IssueQuery)(THIS_ LPCQPARAMS pQueryParams) PURE;
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STDMETHOD(StopQuery)(THIS) PURE;
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STDMETHOD(GetViewObject)(THIS_ UINT uScope, REFIID riid, LPVOID* ppvOut) PURE;
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STDMETHOD(LoadQuery)(THIS_ IPersistQuery* pPersistQuery) PURE;
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STDMETHOD(SaveQuery)(THIS_ IPersistQuery* pPersistQuery, LPCQSCOPE pScope) PURE;
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};
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#endif // GUID_DEFS_ONLY
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#endif
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