ICM_GETSTATE

wParam = (DWORD) (LPVOID) pv;
lParam = (DWORD) cb;
 

Queries a video compression driver return its current configuration in a block of memory or to determine the amount of memory required to retrieve the configuration information.

wParam
Address of a block of memory to hold the current configuration information. You can specify NULL for this parameter to determine the amount of memory required for the configuration information
lParam
Size, in bytes, of the block of memory.

The structure used to represent configuration information is driver specific and is defined by the driver.

See Also

ICM_SETSTATE