Declare Sub ScrollWindow Lib "USER" (ByVal hWnd As Integer, ByVal XAmount As Integer, ByVal YAmount As Integer, ByVal lpRect As Long, ByVal lpClipRect As Long)
Declare Function GetMapMode Lib "GDI" (ByVal hDC As Integer) As Integer
Declare Function SetMapMode Lib "GDI" (ByVal hDC As Integer, ByVal nMapMode As Integer) As Integer
Declare Function SetWindowExt Lib "GDI" (ByVal hDC As Integer, ByVal X As Integer, ByVal Y As Integer) As Long
Declare Function SetViewportExt Lib "GDI" (ByVal hDC As Integer, ByVal X As Integer, ByVal Y As Integer) As Long
Declare Function BitBlt Lib "GDI" (ByVal hDestDC As Integer, ByVal X As Integer, ByVal Y As Integer, ByVal nwidth As Integer, ByVal nheight As Integer, ByVal hSrcDC As Integer, ByVal XSrc As Integer, ByVal YSrc As Integer, ByVal dwRop As Long) As Integer
Declare Function PatBlt Lib "GDI" (ByVal hDC As Integer, ByVal X As Integer, ByVal Y As Integer, ByVal nwidth As Integer, ByVal nheight As Integer, ByVal dwRop As Long) As Integer