Declare Function ShowWindow Lib "User" (ByVal hWnd As Integer, ByVal flgs As Integer) As Integer
Declare Function GetWindow Lib "User" (ByVal hWnd As Integer, ByVal wCmd As Integer) As Integer
Declare Function GetWindowWord Lib "User" (ByVal hWnd As Integer, ByVal wIndx As Integer) As Integer
Declare Function GetWindowLong Lib "User" (ByVal hWnd As Integer, ByVal wIndx As Integer) As Long
Declare Function GetWindowText Lib "User" (ByVal hWnd As Integer, ByVal lpSting As String, ByVal nMaxCount As Integer) As Integer
Declare Function GetWindowTextLength Lib "User" (ByVal hWnd As Integer) As Integer
Declare Function SetWindowPos Lib "User" (ByVal hWnd As Integer, ByVal insaft As Integer, ByVal x%, ByVal y%, ByVal cx%, ByVal cy%, ByVal flgs As Integer) As Integer
#Else
Private Declare Function ShowWindow Lib "User32" (ByVal hWnd As Long, ByVal flgs As Long) As Long
Private Declare Function GetWindow Lib "User32" (ByVal hWnd As Long, ByVal wCmd As Long) As Long
Private Declare Function GetWindowWord Lib "User32" (ByVal hWnd As Long, ByVal wIndx As Long) As Long
Private Declare Function GetWindowLong Lib "User32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal wIndx As Long) As Long
Private Declare Function GetWindowText Lib "User32" Alias "GetWindowTextA" (ByVal hWnd As Long, ByVal lpSting As String, ByVal nMaxCount As Long) As Long
Private Declare Function GetWindowTextLength Lib "User32" Alias "GetWindowTextLengthA" (ByVal hWnd As Long) As Long
Private Declare Function SetWindowPos Lib "User32" (ByVal hWnd As Long, ByVal insaft As Long, ByVal x%, ByVal y%, ByVal cx%, ByVal cy%, ByVal flgs As Long) As Long
#End If
Const WS_MINIMIZE = &H20000000 ' Style bit 'is minimized'
Const HWND_TOP = 0 ' Move to top of z-order
Const SWP_NOSIZE = &H1 ' Do not re-size window
Const SWP_NOMOVE = &H2 ' Do not reposition window
Const SWP_SHOWWINDOW = &H40 ' Make window visible/active
Const GW_HWNDFIRST = 0 ' Get first Window handle
Const GW_HWNDNEXT = 2 ' Get next window handle
Const GWL_STYLE = (-16) ' Get Window's style bits
Const SW_RESTORE = 9 ' Restore window
Dim IsTask As Long ' Style bits for normal task
' The following bits will be combined to define properties
' of a 'normal' task top-level window. Any window with ' these set will be
' included in the list:
Const WS_VISIBLE = &H10000000 ' Window is not hidden
Const WS_BORDER = &H800000 ' Window has a border
' Other bits that are normally set include:
Const WS_CLIPSIBLINGS = &H4000000 ' can clip windows
Const WS_THICKFRAME = &H40000 ' Window has thick border
Const WS_GROUP = &H20000 ' Window is top of group
Const WS_TABSTOP = &H10000 ' Window has tabstop
Sub cmdExit_Click()
Unload Me ' Get me out of here!
'Set Me = Nothing ' Kill Form reference for good measure
End Sub
Sub cmdRefresh_Click()
FindAllApps ' Update list of tasks
End Sub
Sub cmdSwitch_Click()
Dim hWnd As Long ' handle to window
Dim x As Long ' work area
Dim lngWW As Long ' Window Style bits
If lstApp.ListIndex < 0 Then Beep: Exit Sub
' Get window handle from listbox array
hWnd = lstApp.ItemData(lstApp.ListIndex)
' Get style bits for window
lngWW = GetWindowLong(hWnd, GWL_STYLE)
' If minimized do a restore
If lngWW And WS_MINIMIZE Then
x = ShowWindow(hWnd, SW_RESTORE)
End If
' Move window to top of z-order/activate; no move/resize
x = SetWindowPos(hWnd, HWND_TOP, 0, 0, 0, 0, _
SWP_NOMOVE Or SWP_NOSIZE Or SWP_SHOWWINDOW)
End Sub
Sub FindAllApps()
Dim hwCurr As Long
Dim intLen As Long
Dim strTitle As String
' process all top-level windows in master window list
lstApp.Clear
hwCurr = GetWindow(Me.hWnd, GW_HWNDFIRST) ' get first window
Do While hwCurr ' repeat for all windows
If hwCurr <> Me.hWnd And TaskWindow(hwCurr) Then
intLen = GetWindowTextLength(hwCurr) + 1 ' Get length
strTitle = Space$(intLen) ' Get caption
intLen = GetWindowText(hwCurr, strTitle, intLen)
If intLen > 0 Then ' If we have anything, add it
lstApp.AddItem strTitle
' and let's save the window handle in the itemdata array
lstApp.ItemData(lstApp.NewIndex) = hwCurr
End If
End If
hwCurr = GetWindow(hwCurr, GW_HWNDNEXT)
Loop
End Sub
Sub Form_Load()
IsTask = WS_VISIBLE Or WS_BORDER ' Define bits for normal task
FindAllApps ' Update list
End Sub
Sub Form_Paint()
FindAllApps ' Update List
End Sub
Sub Label1_Click()
FindAllApps ' Update list
End Sub
Sub lstApp_DblClick()
cmdSwitch.Value = True
End Sub
Function TaskWindow(hwCurr As Long) As Long
Dim lngStyle As Long
lngStyle = GetWindowLong(hwCurr, GWL_STYLE)
If (lngStyle And IsTask) = IsTask Then TaskWindow = True
