Private Declare Function LineDDA Lib "gdi32.dll" ( _ 
	 ByVal nXStart As Long, _ 
	 ByVal nYStart As Long, _ 
	 ByVal nXEnd As Long, _ 
	 ByVal nYEnd As Long, _ 
	 ByVal lpLineFunc As Long, _ 
	 ByVal lpData As Long) As Long

Public Function MyPointCallback(ByVal x As Long, ByVal y As Long, ByVal lParam _
  As Long)
 
End Function