ICM_DECOMPRESS

See also ICDecompress, ICM_COMPRESS_BEGIN, ICM_DECOMPRESS_BEGIN, ICM_DECOMPRESS_END, ICM_DRAW_BEGIN

wParam = (DWORD) (LPVOID) &icd;
lParam = sizeof(ICDECOMPRESS);

Notifies a video decompression driver to decompress a frame of data into an application-supplied buffer.

• Returns ICERR_OK if successful or an error otherwise.

wParam

Address of an ICDECOMPRESS structure.

lParam

Size, in bytes, of the ICDECOMPRESS structure.

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_DECOMPRESS_BEGIN message.