Function MFBeginCreateFile

pub unsafe fn MFBeginCreateFile<P3, P4, P5>(
    accessmode: MF_FILE_ACCESSMODE,
    openmode: MF_FILE_OPENMODE,
    fflags: MF_FILE_FLAGS,
    pwszfilepath: P3,
    pcallback: P4,
    pstate: P5,
) -> Result<IUnknown>
where
    P3: Param<PCWSTR>,
    P4: Param<IMFAsyncCallback>,
    P5: Param<IUnknown>,