在VB里面如何用postmessage函数向已知句柄的窗体发送单击鼠标的消息
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Private Declare Function PostMessage Lib "user32" Alias "PostMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, ByVal lParam As Long) As Long
Private Const WM_LBUTTONDOWN = &H201
Private Const WM_LBUTTONUP = &H202
Private Sub Command1_Click()
MsgBox "123"
End Sub
Private Sub Command2_Click()
PostMessage Command1.hwnd, WM_LBUTTONDOWN, 0, 0
PostMessage Command1.hwnd, WM_LBUTTONUP, 0, 0
End Sub
Private Const WM_LBUTTONDOWN = &H201
Private Const WM_LBUTTONUP = &H202
Private Sub Command1_Click()
MsgBox "123"
End Sub
Private Sub Command2_Click()
PostMessage Command1.hwnd, WM_LBUTTONDOWN, 0, 0
PostMessage Command1.hwnd, WM_LBUTTONUP, 0, 0
End Sub
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