Visual Basic Move Window API definition
Also you should be careful about the OS version and according to the MSDN it states Minimum operating systems Windows 95, Windows NT 3.1
Public Declare Function MoveWindow Lib "user32" Alias "MoveWindow" (ByVal hwnd As Long, ' Handle to the Window e.g. Me.Hwnd ByVal x As Long, ' New position of the left side of the Window/Form. ByVal y As Long, ' New position of the top side of the Window/Form. ByVal nWidth As Long, ' New width of the Window ByVal nHeight As Long, ' New height of the Window ByVal bRepaint As Long) ' Specifies whether Window is to be repainted. True means repainted As Long ' If the function succeeds, the return value is nonzero else zero.