Source code of Windows XP (NT5)
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387 lines
11 KiB

VERSION 5.00
Object = "{831FDD16-0C5C-11D2-A9FC-0000F8754DA1}#2.0#0"; "MSCOMCTL.OCX"
Begin VB.Form Main
Caption = "Query Sample"
ClientHeight = 8592
ClientLeft = 168
ClientTop = 456
ClientWidth = 9432
LinkTopic = "Form1"
ScaleHeight = 8592
ScaleWidth = 9432
StartUpPosition = 3 'Windows Default
Begin MSComctlLib.ListView ListView1
Height = 7575
Left = 120
TabIndex = 12
Top = 1320
Width = 9255
_ExtentX = 16320
_ExtentY = 13356
LabelWrap = -1 'True
HideSelection = -1 'True
_Version = 393217
ForeColor = -2147483640
BackColor = -2147483643
BorderStyle = 1
Appearance = 1
NumItems = 0
End
Begin VB.ComboBox Dialect
Height = 315
ItemData = "VBQuery.frx":0000
Left = 4200
List = "VBQuery.frx":000D
TabIndex = 11
Text = "Dialect 2"
Top = 840
Width = 2295
End
Begin VB.CommandButton Browse
Caption = "..."
BeginProperty Font
Name = "MS Sans Serif"
Size = 13.8
Charset = 0
Weight = 700
Underline = 0 'False
Italic = 0 'False
Strikethrough = 0 'False
EndProperty
Height = 315
Left = 8760
TabIndex = 10
Top = 480
Width = 495
End
Begin VB.TextBox Scope
Height = 315
Left = 840
TabIndex = 9
Text = "\"
Top = 480
Width = 7815
End
Begin VB.TextBox CatalogName
BackColor = &H80000013&
Height = 285
Left = 840
Locked = -1 'True
TabIndex = 8
Top = 9000
Width = 2775
End
Begin VB.ComboBox Sort
Height = 315
ItemData = "VBQuery.frx":002C
Left = 840
List = "VBQuery.frx":002E
Style = 2 'Dropdown List
TabIndex = 4
Top = 840
Width = 3255
End
Begin VB.CommandButton Clear
Caption = "&Clear"
Height = 375
Left = 8040
TabIndex = 3
Top = 840
Width = 1215
End
Begin VB.TextBox QueryText
Height = 315
Left = 840
TabIndex = 1
Top = 150
Width = 8415
End
Begin VB.CommandButton Go
Caption = "&Go!"
Default = -1 'True
Height = 375
Left = 6720
TabIndex = 0
Top = 840
Width = 1095
End
Begin VB.Label CatalogLabel
Caption = "Catalog:"
Height = 255
Left = 120
TabIndex = 7
Top = 9015
Width = 735
End
Begin VB.Label Label3
Caption = "Scope:"
Height = 255
Left = 120
TabIndex = 6
Top = 510
Width = 495
End
Begin VB.Label Label2
Caption = "Sort:"
Height = 255
Left = 120
TabIndex = 5
Top = 840
Width = 375
End
Begin VB.Label Label1
Caption = "Query:"
Height = 255
Left = 120
TabIndex = 2
Top = 180
Width = 615
End
End
Attribute VB_Name = "Main"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
'+-------------------------------------------------------------------------
'
' THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
' ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
' THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
' PARTICULAR PURPOSE.
'
' Copyright 1998-1999, Microsoft Corporation. All Rights Reserved.
'
' PROGRAM: VBQuery
'
' PURPOSE: Illustrates how to execute Indexing Service queries using
' Visual Basic and the Query Helper/OLE DB Helper APIs.
'
' PLATFORM: Windows 2000
'
'--------------------------------------------------------------------------
Private mItem As ListItem
Private InitialWidth As Integer
Private InitialHeight As Integer
Private FormWidth As Integer
Private FormHeight As Integer
Private NonListViewWidth As Integer
Private NonListViewHeight As Integer
Private CatalogLabelTop As Integer
Private CatalogNameTop As Integer
' LocateCatalogs is used to locate an Indexing Services
' catalog that covers the specified scope.
Private Declare Function LocateCatalogs Lib "Query" Alias "LocateCatalogsA" _
(ByVal Scope As String, _
ByVal Bmk As Long, _
ByVal Machine As String, _
ByRef ccMachine As Long, _
ByVal Catalog As String, _
ByRef ccCatalog As Long) As Long
' Bring up the browser dialog when the button is pressed.
Private Sub Browse_Click()
DirBrowse.Show vbModal, Main
If DirBrowse.OK Then
Scope.Text = DirBrowse.Dir1.Path
End If
End Sub
' Clear the text box when the clear button is pressed.
Private Sub Clear_Click()
QueryText.Text = ""
End Sub
' All the action happens in DoQuery
Private Sub DoQuery()
Main.MousePointer = 11
' Set up call to OLE DB Helper API.
Dim Machine As String
Machine = String(255, Chr(0))
ccMachine = Len(Machine)
Dim Catalog As String
Catalog = String(255, Chr(0))
ccCatalog = Len(Catalog)
' Look for a suitable catalog.
sc = LocateCatalogs(Scope.Text, 0, Machine, ccMachine, Catalog, ccCatalog)
Machine = Left(Machine, ccMachine - 2) ' Workaround (1)
Catalog = Left(Catalog, ccCatalog - 2) ' Workaround (1)
If 0 = sc Then
If ccMachine > 3 Then ' Workaround (2)
CatalogName.Text = "query://" + Machine + "/" + Catalog
Else
CatalogName.Text = Catalog
End If
Else
CatalogName.Text = "<default>"
End If
' Clear previous query.
ListView1.ListItems.Clear
Dim RS As Object
' "Dialect" (Indexing Service query language).
If InStr(Dialect.Text, "Dialect") <> 0 Then
' Create the query and execute.
Dim Q As Object
Set Q = CreateObject("ixsso.Query")
Dim Util As Object
Set Util = CreateObject("ixsso.Util")
Q.Query = QueryText.Text
Q.Columns = "Filename, Path, Size, Write"
If Sort.ListIndex = 2 Then
Q.SortBy = "Rank[d]"
Else
Q.SortBy = Sort.Text
End If
Util.AddScopeToQuery Q, Scope.Text, "DEEP"
If 0 = sc Then
Q.Catalog = CatalogName.Text
End If
If StrComp(Dialect.Text, "Dialect 2") = 0 Then
Q.Dialect = 2 ' Dialect 2.
Else
Q.Dialect = 1 ' Dialect 1.
End If
' Debug message
Debug.Print "Catalog = " + Q.Catalog
Debug.Print "Query = " + Q.Query
Debug.Print "Columns = " + Q.Columns
Debug.Print "SortBy = " + Q.SortBy
Debug.Print "Scope = " + Scope.Text
Set RS = Q.CreateRecordSet("sequential")
' Not "Dialect" is SQL query language.
Else
Const adOpenForwardOnly = 0
Connect = "provider=msidxs"
CommandText = "SELECT Filename, Path, Size, Write FROM Scope('" + Chr(34) + Scope.Text + Chr(34) + "') WHERE " + QueryText.Text + " ORDER BY " + Sort.Text
' Debug message
Debug.Print CommandText
Set RS = CreateObject("ADODB.RecordSet")
RS.Open CommandText, Connect, adOpenForwardOnly
End If
If RS.EOF Then
Set mItem = ListView1.ListItems.Add()
mItem.Text = "No matches found..."
mItem.Ghosted = True
End If
' Fill in the ListView.
Do Until RS.EOF
Set mItem = ListView1.ListItems.Add()
mItem.Text = RS("Filename")
mItem.SubItems(1) = RS("Path")
mItem.SubItems(2) = RS("Size")
mItem.SubItems(3) = RS("Write")
RS.MoveNext
Loop
' Make sure we see everything!
ListView1.View = lvwReport
Main.MousePointer = 0
End Sub
' Prime the query text with a sample.
Private Sub Dialect_Click()
If StrComp(Dialect.Text, "Dialect 1") = 0 Then
QueryText.Text = "Indexing Service"
ElseIf StrComp(Dialect.Text, "Dialect 2") = 0 Then
QueryText.Text = "{prop name=Contents}Indexing Service{/prop}"
Else
QueryText.Text = "CONTAINS('" + Chr(34) + "Indexing Service" + Chr(34) + "')"
End If
End Sub
' Initialization.
Private Sub Form_Load()
' Prime text box.
QueryText.Text = "{prop name=Contents}Indexing Service{/prop}"
' Create column headers.
ListView1.ColumnHeaders.Clear
ListView1.ColumnHeaders.Add , , "Filename"
ListView1.ColumnHeaders.Add , , "Path"
ListView1.ColumnHeaders.Add , , "Size"
ListView1.ColumnHeaders.Add , , "Write"
Sort.AddItem "Filename"
Sort.AddItem "Path"
Sort.AddItem "Rank DESC"
Sort.AddItem "Size"
Sort.AddItem "Write"
Sort.ListIndex = 2
' For resize.
InitialWidth = Main.Width
InitialHeight = Main.Height
FormWidth = Main.Width
FormHeight = Main.Height
NonListViewWidth = Main.Width - ListView1.Width
NonListViewHeight = Main.Height - ListView1.Height
CatalogLabelTop = Main.Height - CatalogLabel.Top
CatalogNameTop = Main.Height - CatalogName.Top
End Sub
' Adjust the ListView and Catalog positions on resize.
Private Sub Form_Resize()
If Main.Width < InitialWidth Then
Main.Width = InitialWidth
End If
If Main.Height < 5000 Then
If FormHeight < InitialHeight Then
Main.Height = FormHeight
Else
Main.Height = InitialHeight
End If
End If
FormWidth = Main.Width
FormHeight = Main.Height
ListView1.Width = Main.Width - NonListViewWidth
ListView1.Height = Main.Height - NonListViewHeight
CatalogLabel.Top = Main.Height - CatalogLabelTop
CatalogName.Top = Main.Height - CatalogNameTop
End Sub
Private Sub Go_Click()
DoQuery
End Sub
Private Sub ListView1_ColumnClick(ByVal ColumnHeader As MSComctlLib.ColumnHeader)
Sort.Text = ColumnHeader.Text
DoQuery
End Sub