The exclusion area is replaced by another call to this function or cancelled by Int 33H Functions 00H or 01H.Defines an exclusion area for the mouse pointer. When the mouse pointer lies within the specified area, it is not displayed.
Call with:
AX = 0010H
CX = upper left X coordinate
DX = upper left Y coordinate
SI = lower right X coordinate
DI = lower right Y coordinate
Returns:
Nothing
Note:
The exclusion area is replaced by another call to this function or cancelled by Int 33H Functions 00H or 01H.