说明: VB写的摄像头家庭监控 Public Function msgproc(ByVal hwnd As Long, ByVal msg As Long, ByVal wp As Long, ByVal lp As Long) As Long On Error Resume Next Dim a As along, t As toint a.x = lp: LSet t = a Select Case msg Case msghinstance.WM_MOUSEMOVE, msghinstance.
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