新人请教：
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Private Declare Function GetWindow Lib "user32" (ByVal hwnd As Long, ByVal wCmd As Long) As Long
Private Const GW_OWNER = 4
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Private Sub Command1_Click()
Dim lphWnd As Long
lphWnd = GetWindow(Me.hwnd, GW_OWNER)
End Sub
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lphWnd为什么会有值呢？它是哪一个宿主窗口啊？我只画了一个有按纽的窗体，并没设定它的owner窗口啊。谢谢！