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Dicas
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Visual Basic (ActiveX/Controles/DLL)
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Título da Dica: Abrir um progrma dentro de outro
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Postada em 6/4/2005 por Romero
Neste ex. vamos ver como é´possivel abrir o Bloco de Notas (notepad.exe) dentro de seu programa.
Insire o código abaixo em um form...
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
'localiza a janela
test_hwnd = FindWindow(ByVal 0&, ByVal 0&)
Do While test_hwnd <> 0
'verifica se a janela é uma child
If GetParent(test_hwnd) = 0 Then
'carrega o thread da janela
test_thread_id = GetWindowThreadProcessId(test_hwnd, test_pid)
If test_pid = target_pid Then
InstanceToWnd = test_hwnd
Exit Do
End If
End If
'paga o próximo thread das janelas
test_hwnd = GetWindow(test_hwnd, GW_HWNDNEXT)
Loop
End Function
Private Sub Form_Load()
Dim Pid As Long
'Localiza a janela
LockWindowUpdate GetDesktopWindow
'Executa notepad.Exe
Pid = Shell("c:windowsotepad.exe", vbNormalFocus)
If Pid = 0 Then MsgBox "Error starting the app"
'paga o hWnd da janela
mWnd = InstanceToWnd(Pid)
'indica o Parent
SetParent mWnd, Me.hwnd
'coloca o foco na janela
Putfocus mWnd
'Unlock windowupdate
LockWindowUpdate False
End Sub
Private Sub Form_Unload(Cancel As Integer)
'Descarega
DestroyWindow mWnd
'sai do programa
TerminateProcess GetCurrentProcess, 0
End Sub
valeu....
ate a próxima...!!!
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