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Visual Basic
WMI System Services Win32_Desktop: WMI Desktop Settings |
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Posted: | Monday March 25, 2002 |
Updated: | Monday November 28, 2011 |
Applies to: | VB5, VB6 |
Developed with: | VB6, Windows XP |
OS restrictions: | Windows NT, 2000, XP. See Prerequisites below. |
Author: | VBnet - Randy Birch |
Related: |
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Prerequisites | ||||||||||||||||||||||||||||||||||||||||||
Windows Script Host is built into Microsoft Windows 98, 2000, ME and XP.
If you are running Windows 95 or NT4, you can download Windows Script
Host from the Microsoft Windows Script Technologies Web site at
http://msdn.microsoft.com/scripting/.
Some information is not returned on non-NT-based systems. A reference set in Projects / References to the Microsoft WMI Scripting Library. |
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The Win32_Desktop WMI class represents the common characteristics of a user's desktop. The properties of this class can be modified by the user to customize the desktop. This demo and illustration shows most some of the available information from the class. The complete listing can be found in the Comments section below. Note that some desktops may not return information in all class properties. |
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BAS Module Code | ||||||||||||||||||||||||||||||||||||||||||
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Form Code | ||||||||||||||||||||||||||||||||||||||||||
To a form add a command button (Command1) and a listview (Listview1). Set a reference in Projects / References to the Microsoft WMI Scripting Library, and add the following to the form: | ||||||||||||||||||||||||||||||||||||||||||
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Option Explicit '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' Copyright ©1996-2011 VBnet/Randy Birch, All Rights Reserved. ' Some pages may also contain other copyrights by the author. '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ' Distribution: You can freely use this code in your own ' applications, but you may not reproduce ' or publish this code on any web site, ' online service, or distribute as source ' on any media without express permission. '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' '/* Below used for listview column auto-resizing Private Const LVM_FIRST As Long = &H1000 Private Const LVM_SETCOLUMNWIDTH As Long = (LVM_FIRST + 30) Private Const LVSCW_AUTOSIZE As Long = -1 Private Const LVSCW_AUTOSIZE_USEHEADER As Long = -2 Private Declare Function SendMessage Lib "user32" _ Alias "SendMessageA" _ (ByVal hwnd As Long, _ ByVal wMsg As Long, _ ByVal wParam As Long, _ lParam As Any) As Long Private Sub Form_Load() With ListView1 .ListItems.Clear .ColumnHeaders.Clear .View = lvwReport .Sorted = False End With Command1.Caption = "Desktop Info" End Sub Private Sub Command1_Click() ListView1.ListItems.Clear Call wmiDesktopInfo Call lvAutosizeControl(ListView1) End Sub Private Sub lvAutosizeControl(lv As ListView) Dim col2adjust As Long 'Size each column based on the maximum of 'either the columnheader text width, or, 'if the items below it are wider, the 'widest list item in the column For col2adjust = 0 To lv.ColumnHeaders.Count - 1 Call SendMessage(lv.hwnd, _ LVM_SETCOLUMNWIDTH, _ col2adjust, _ ByVal LVSCW_AUTOSIZE_USEHEADER) Next End Sub Private Sub wmiDesktopInfo() Dim DesktopSet As SWbemObjectSet Dim desktop As SWbemObject Dim thiscol As Long 'add a first column, and set lv initial parameters With ListView1 .ListItems.Clear .View = lvwReport .Sorted = False .ColumnHeaders.Clear .ColumnHeaders.Add , , "WMI Property" 'add class properties to column 1 .ListItems.Add , , "BorderWidth" .ListItems.Add , , "CoolSwitch" .ListItems.Add , , "CursorBlinkRate" .ListItems.Add , , "DragFullWindows" .ListItems.Add , , "GridGranularity" .ListItems.Add , , "IconSpacing" .ListItems.Add , , "IconTitleFaceName" .ListItems.Add , , "IconTitleSize" .ListItems.Add , , "IconTitleWrap" .ListItems.Add , , "Pattern" .ListItems.Add , , "ScrSaveActive" .ListItems.Add , , "ScrSaveExecutable" .ListItems.Add , , "ScrSaveSecure" .ListItems.Add , , "ScrSaveTimeout" .ListItems.Add , , "Wallpaper" .ListItems.Add , , "WallpaperStretched" .ListItems.Add , , "WallpaperTiled" End With Set DesktopSet = GetObject("winmgmts:{impersonationLevel=impersonate}"). _ InstancesOf("Win32_Desktop") For Each desktop In DesktopSet With ListView1 .ColumnHeaders.Add , , desktop.Name thiscol = (.ColumnHeaders.Count - 1) .ListItems(1).SubItems(thiscol) = desktop.BorderWidth .ListItems(2).SubItems(thiscol) = desktop.CoolSwitch .ListItems(3).SubItems(thiscol) = desktop.CursorBlinkRate .ListItems(4).SubItems(thiscol) = desktop.DragFullWindows .ListItems(5).SubItems(thiscol) = desktop.GridGranularity .ListItems(6).SubItems(thiscol) = desktop.IconSpacing .ListItems(7).SubItems(thiscol) = desktop.IconTitleFaceName .ListItems(8).SubItems(thiscol) = desktop.IconTitleSize .ListItems(9).SubItems(thiscol) = desktop.IconTitleWrap .ListItems(10).SubItems(thiscol) = desktop.Pattern .ListItems(11).SubItems(thiscol) = desktop.ScreenSaverActive .ListItems(12).SubItems(thiscol) = desktop.ScreenSaverExecutable .ListItems(13).SubItems(thiscol) = desktop.ScreenSaverSecure .ListItems(14).SubItems(thiscol) = desktop.ScreenSaverTimeout .ListItems(15).SubItems(thiscol) = desktop.Wallpaper .ListItems(16).SubItems(thiscol) = desktop.WallpaperStretched .ListItems(17).SubItems(thiscol) = desktop.WallpaperTiled End With Next End Sub |
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Comments | ||||||||||||||||||||||||||||||||||||||||||
All information returned in the Win32_Desktop class (note that some
systems may not return information in all class properties):
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Copyright ©1996-2011 VBnet and Randy Birch. All Rights Reserved. |