Type Alias GdkWindowInvalidateHandlerFunc

pub type GdkWindowInvalidateHandlerFunc = Option<unsafe extern "C" fn(_: *mut GdkWindow, _: *mut cairo_region_t)>;

Aliased Type

enum GdkWindowInvalidateHandlerFunc {
    None,
    Some(unsafe extern "C" fn(_: *mut GdkWindow, _: *mut cairo_region_t)),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut GdkWindow, _: *mut cairo_region_t))

Some value of type T.