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Tip of the Day
Language: VB5,VB6
Expertise: Intermediate
Sep 15, 2001

ShowProgramsInTaskbar - Show or hide all programs in the taskbar

Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal _
    lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function ShowWindow Lib "user32" (ByVal hwnd As Long, _
    ByVal nCmdShow As Long) As Long
Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal _
    hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, _
    ByVal lpsz2 As String) As Long

' show/hide the programs in the taskbar, according to the bShow parameter
' Example:
'   - hide the programs: ShowProgramsInTaskbar False
'   - show the programs: ShowProgramsInTaskbar

Public Sub ShowProgramsInTaskbar(Optional ByVal bShow As Boolean = True)
    Dim lShellHandle As Long
    Dim lRebarHandle As Long
    Dim lCtlHandle As Long
    
    ' get the handle of the taskbar
    lShellHandle = FindWindow("Shell_TrayWnd", "")
    ' get the handle of the rebar control
    lRebarHandle = FindWindowEx(lShellHandle, 0, "ReBarWindow32", vbNullString)
    lCtlHandle = FindWindowEx(lRebarHandle, 0, "MSTaskSwWClass", vbNullString)
    ' hide or show the tab control
    ShowWindow FindWindowEx(lCtlHandle, 0, "SysTabControl32", vbNullString), _
        Abs(bShow)
End Sub
Marco Bellinaso
 
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