The ICM_GET message retrieves an application-defined doubleword from a video compression driver.
ICM_GET
wParam = (DWORD) (LPVOID) pv;
lParam = (DWORD) cb;
Returns the amount of memory, in bytes, required to store the status information.
The structure used to represent state information is driver specific and is defined by the driver.
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in vfw.h.
Video Compression Manager Overview, Video Compression Messages