DrawModeConstants

GDI raster-operation values for the DrawMode property, controlling how the pen colour is combined with the existing pixels when drawing with PSet, Line, Circle, and similar methods.

Constant	Value	Description
vbBlackness	1	Output is black.
vbNotMergePen	2	Inverse of vbMergePen.
vbMaskNotPen	3	Combination of the colours common to the background and the inverse of the pen.
vbNotCopyPen	4	Inverse of vbCopyPen.
vbMaskPenNot	5	Combination of the pen and the inverse of the screen.
vbInvert	6	Inverse of the existing screen colour.
vbXorPen	7	XOR of the pen and the screen.
vbNotMaskPen	8	Inverse of vbMaskPen.
vbMaskPen	9	Combination of the colours common to both the pen and the screen.
vbNotXorPen	10	Inverse of vbXorPen.
vbNop	11	No drawing --- the screen is left unchanged.
vbMergeNotPen	12	Combination of the screen and the inverse of the pen.
vbCopyPen	13	Output is the pen colour (the default).
vbMergePenNot	14	Combination of the pen and the inverse of the screen.
vbMergePen	15	Combination of the pen colour and the screen colour.
vbWhiteness	16	Output is white.