L_BM_POSTERIZE

Send this message to posterize an L_BITMAPCLASS window's bitmap.

Parameter

Meaning

wParam

Specifies whether the window should be redrawn to reflect the image changes. Use 1 to redraw the window, or 0 not to redraw it.

lParam

The low order of the lParam parameter should contain the number of color levels to use.

Returns

SUCCESS

Function was successful.

< 0

An error occurred. Refer to Return Codes.