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ICM_DECOMPRESSEX

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The ICM_DECOMPRESSEX message notifies a video compression driver to decompress a frame of data directly to the screen, decompress to an upside-down DIB, or decompress images described with source and destination rectangles.

ICM_DECOMPRESSEX 
wParam = (DWORD) (LPVOID) &icdex; 
lParam = sizeof(ICDECOMPRESSEX);

Parameters

icdex

Pointer to an ICDECOMPRESSEX structure.

lParam

Size, in bytes, of ICDECOMPRESSEX.

Return Values

Returns ICERR_OK if successful or an error otherwise.

Remarks

This message is similar to ICM_DECOMPRESS except that it uses the ICDECOMPRESSEX structure to define its decompression information.

If you want the driver to decompress data directly to the screen, send the ICM_DRAW message.

The driver returns an error if this message is received before the ICM_DECOMPRESSEX_BEGIN message.

Requirements

**  Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
**  Windows 95/98/Me:** Included in Windows 95 and later.
**  Header:** Declared in Vfw.h.

See Also

Video Compression Manager, Video Compression Messages, ICDECOMPRESSEX, ICM_DECOMPRESS, ICM_DECOMPRESSEX_BEGIN, ICM_DRAW