vb里用sendmessage函数怎么不能发送WM_CLOSE命令？
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怎么不行？
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_CLOSE = &H10
Private Sub Command1_Click()
Dim h&
h = '目标窗体句柄
SendMessage h, WM_CLOSE, 0, 0
End Sub
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Const WM_CLOSE = &H10
Private Sub Command1_Click()
Dim h&
h = '目标窗体句柄
SendMessage h, WM_CLOSE, 0, 0
End Sub
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