Type Alias OnSurfaceChanged 

pub type OnSurfaceChanged = Option<Rc<dyn Fn(XComponentRaw, WindowRaw) -> Result<()>>>;

Aliased Type

pub enum OnSurfaceChanged {
    None,
    Some(Rc<dyn Fn(XComponentRaw, WindowRaw) -> Result<(), Error>>),
}

Variants

None

No value.

Some(Rc<dyn Fn(XComponentRaw, WindowRaw) -> Result<(), Error>>)

Some value of type T.