Type Alias windows::Win32::Media::Multimedia::DRIVERMSGPROC

pub type DRIVERMSGPROC = Option<unsafe extern "system" fn(param0: u32, param1: u32, param2: usize, param3: usize, param4: usize) -> u32>;

Aliased Type

enum DRIVERMSGPROC {
    None,
    Some(unsafe extern "system" fn(_: u32, _: u32, _: usize, _: usize, _: usize) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: u32, _: u32, _: usize, _: usize, _: usize) -> u32)

Some value of type T.