L_BM_HUE

Send this message to change the hue of 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 angular amount to change the hue, in degrees.

Returns

SUCCESS

Function was successful.

< 0

An error occurred. Refer to Return Codes.