wParam = (DWORD) (LPVOID) lpbiInput;
lParam = (DWORD) (LPVOID) lpbiOutput;
Queries a video compression driver to determine if it supports a specific input format or if it can compress a specific input format to a specific output format.
On receiving this message, the driver should examine the BITMAPINFO structure associated with wParam to determine if it can compress the input format.
ICM_COMPRESS_GET_FORMAT