icm-draw-realize.md

title	description	ms.assetid	keywords	topic_type	api_name	api_location	api_type	ms.topic	ms.date
ICM_DRAW_REALIZE message (Vfw.h)	The ICM\_DRAW\_REALIZE message notifies a rendering driver to realize its drawing palette while drawing. You can send this message explicitly or by using the ICDrawRealize macro.	501540cd-41e2-4f80-abf8-2ec2179970a9	ICM_DRAW_REALIZE message Windows Multimedia	apiref	ICM_DRAW_REALIZE	Vfw.h	HeaderDef	reference	05/31/2018

ICM_DRAW_REALIZE message

The ICM_DRAW_REALIZE message notifies a rendering driver to realize its drawing palette while drawing. You can send this message explicitly or by using the ICDrawRealize macro.

ICM_DRAW_REALIZE 
wParam = (DWORD_PTR) (UINT_PTR) (HDC) hdc; 
lParam = (DWORD_PTR) (BOOL) fBackground; 

Parameters

hdc

Handle to the DC used to realize the palette.

fBackground

Background flag. Specify TRUE to realize the palette as a background task or FALSE to realize the palette in the foreground.

Return Value

Returns ICERR_OK if the drawing palette is realized or ICERR_UNSUPPORTED if the palette associated with the decompressed data is realized.

Remarks

Drivers need to respond to this message only if the drawing palette is different from the decompressed palette.

Requirements

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Header	Vfw.h

See also

Video Compression Manager

Video Compression Messages