如果让另一个程序编程你的子窗体倒是很容易 Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As Long, ByVal lpWindowName As Long) As Long Private Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function SetParent Lib "user32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As Long Private Declare Function GetWindow Lib "user32" (ByVal hwnd As Long, ByVal wCmd As Long) As Long Private Declare Function LockWindowUpdate Lib "user32" (ByVal hwndLock As Long) As Long Private Declare Function GetDesktopWindow Lib "user32" () As Long Private Declare Function DestroyWindow Lib "user32" (ByVal hwnd As Long) As Long Private Declare Function TerminateProcess Lib "kernel32" (ByVal hProcess As Long, ByVal uExitCode As Long) As Long Private Declare Function GetCurrentProcess Lib "kernel32" () As Long Private Declare Function Putfocus Lib "user32" Alias "SetFocus" (ByVal hwnd As Long) As Long Const GW_HWNDNEXT = 2 Dim mWnd As Long Function InstanceToWnd(ByVal target_pid As Long) As Long Dim test_hwnd As Long, test_pid As Long, test_thread_id As Long 'Find the first window test_hwnd = FindWindow(ByVal 0&, ByVal 0&) Do While test_hwnd <> 0 'Check if the window isn't a child If GetParent(test_hwnd) = 0 Then 'Get the window's thread test_thread_id = GetWindowThreadProcessId(test_hwnd, test_pid) If test_pid = target_pid Then InstanceToWnd = test_hwnd Exit Do End If End If 'retrieve the next window test_hwnd = GetWindow(test_hwnd, GW_HWNDNEXT) Loop End Function Private Sub Form_Load() 'KPD-Team 1999 'URL: http://www.allapi.net/ 'E-Mail: [email protected] Dim Pid As Long 'Lock the window update LockWindowUpdate GetDesktopWindow 'Execute notepad.Exe Pid = Shell("c:\windows\notepad.exe", vbNormalFocus) If Pid = 0 Then MsgBox "Error starting the app" 'retrieve the handle of the window mWnd = InstanceToWnd(Pid) 'Set the notepad's parent SetParent mWnd, Me.hwnd 'Put the focus on notepad Putfocus mWnd 'Unlock windowupdate LockWindowUpdate False End Sub Private Sub Form_Unload(Cancel As Integer) 'Unload notepad DestroyWindow mWnd 'End this program TerminateProcess GetCurrentProcess, 0 End Sub
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As Long, ByVal lpWindowName As Long) As Long
Private Declare Function GetParent Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function SetParent Lib "user32" (ByVal hWndChild As Long, ByVal hWndNewParent As Long) As Long
Private Declare Function GetWindowThreadProcessId Lib "user32" (ByVal hwnd As Long, lpdwProcessId As Long) As Long
Private Declare Function GetWindow Lib "user32" (ByVal hwnd As Long, ByVal wCmd As Long) As Long
Private Declare Function LockWindowUpdate Lib "user32" (ByVal hwndLock As Long) As Long
Private Declare Function GetDesktopWindow Lib "user32" () As Long
Private Declare Function DestroyWindow Lib "user32" (ByVal hwnd As Long) As Long
Private Declare Function TerminateProcess Lib "kernel32" (ByVal hProcess As Long, ByVal uExitCode As Long) As Long
Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
Private Declare Function Putfocus Lib "user32" Alias "SetFocus" (ByVal hwnd As Long) As Long
Const GW_HWNDNEXT = 2
Dim mWnd As Long
Function InstanceToWnd(ByVal target_pid As Long) As Long
Dim test_hwnd As Long, test_pid As Long, test_thread_id As Long
'Find the first window
test_hwnd = FindWindow(ByVal 0&, ByVal 0&)
Do While test_hwnd <> 0
'Check if the window isn't a child
If GetParent(test_hwnd) = 0 Then
'Get the window's thread
test_thread_id = GetWindowThreadProcessId(test_hwnd, test_pid)
If test_pid = target_pid Then
InstanceToWnd = test_hwnd
Exit Do
End If
End If
'retrieve the next window
test_hwnd = GetWindow(test_hwnd, GW_HWNDNEXT)
Loop
End Function
Private Sub Form_Load()
'KPD-Team 1999
'URL: http://www.allapi.net/
'E-Mail: [email protected]
Dim Pid As Long
'Lock the window update
LockWindowUpdate GetDesktopWindow
'Execute notepad.Exe
Pid = Shell("c:\windows\notepad.exe", vbNormalFocus)
If Pid = 0 Then MsgBox "Error starting the app"
'retrieve the handle of the window
mWnd = InstanceToWnd(Pid)
'Set the notepad's parent
SetParent mWnd, Me.hwnd
'Put the focus on notepad
Putfocus mWnd
'Unlock windowupdate
LockWindowUpdate False
End Sub
Private Sub Form_Unload(Cancel As Integer)
'Unload notepad
DestroyWindow mWnd
'End this program
TerminateProcess GetCurrentProcess, 0
End Sub