Type Alias windows::Win32::Graphics::OpenGL::PFNGLADDSWAPHINTRECTWINPROC

pub type PFNGLADDSWAPHINTRECTWINPROC = Option<unsafe extern "system" fn(x: i32, y: i32, width: i32, height: i32)>;

Aliased Type

enum PFNGLADDSWAPHINTRECTWINPROC {
    None,
    Some(unsafe extern "system" fn(_: i32, _: i32, _: i32, _: i32)),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: i32, _: i32, _: i32, _: i32))

Some value of type T.