ICM_DECOMPRESSEX_QUERY message
The ICM_DECOMPRESSEX_QUERY message queries a video compression driver to determine if it supports a specific input format or if it can decompress a specific input format to a specific output format.
ICM_DECOMPRESSEX_QUERY
wParam = (DWORD_PTR) (LPVOID) &icdex;
lParam = sizeof(ICDECOMPRESSEX);
Parameters
-
icdex
-
Pointer to a ICDECOMPRESSEX structure containing the input format.
-
lParam
-
Size, in bytes, of ICDECOMPRESSEX.
Return Value
Returns ICERR_OK if the specified decompression is supported or ICERR_BADFORMAT otherwise.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 2000 Professional [desktop apps only] |
| Minimum supported server |
Windows 2000 Server [desktop apps only] |
| Header |
|