Type Alias windows::Win32::Media::LPDRVCALLBACK
pub type LPDRVCALLBACK = Option<unsafe extern "system" fn(hdrvr: HDRVR, umsg: u32, dwuser: usize, dw1: usize, dw2: usize)>;
Aliased Type§
enum LPDRVCALLBACK {
None,
Some(unsafe extern "system" fn(_: HDRVR, _: u32, _: usize, _: usize, _: usize)),
}