Crop rectangle

Public Sub Crop( _
   ByVal left As Long, _
   ByVal top As Long, _
   ByVal right As Long, _
   ByVal bottom As Long _
) 

Image is cropped to the size of cropping rectangle.  left, top define upper left corner coordinates of cropping rectangle.  right, bottom define lower right corner of cropping rectangle.   The coordinates should be valid (right greater than left and bottom greater than top); otherwise error is generated.

CiImage Object