pub unsafe fn CfConvertToPlaceholder<P0>(
    filehandle: P0,
    fileidentity: Option<*const c_void>,
    fileidentitylength: u32,
    convertflags: CF_CONVERT_FLAGS,
    convertusn: Option<*mut i64>,
    overlapped: Option<*mut OVERLAPPED>
) -> Result<()>
where P0: IntoParam<HANDLE>,