Type Alias windows::Win32::System::WindowsProgramming::ENUM_CALLBACK

pub type ENUM_CALLBACK = Option<unsafe extern "system" fn(lpsurfaceinfo: *mut DCISURFACEINFO, lpcontext: *mut c_void)>;

Aliased Type§

enum ENUM_CALLBACK {
    None,
    Some(unsafe extern "system" fn(_: *mut DCISURFACEINFO, _: *mut c_void)),
}

Variants§

§1.0.0

None

No value.

§1.0.0

Some(unsafe extern "system" fn(_: *mut DCISURFACEINFO, _: *mut c_void))

Some value of type T.