ICM_DECOMPRESSEX

	Overview

	Group

	Quick Info

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

Address of 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.

See Also
ICDECOMPRESSEX, ICM_DECOMPRESS, ICM_DECOMPRESSEX_BEGIN, ICM_DRAW

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