Type Alias GdkWindowChildFunc 

pub type GdkWindowChildFunc = Option<unsafe extern "C" fn(*mut GdkWindow, gpointer) -> gboolean>;

Aliased Type

pub enum GdkWindowChildFunc {
    None,
    Some(unsafe extern "C" fn(*mut GdkWindow, *mut c_void) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut GdkWindow, *mut c_void) -> i32)

Some value of type T.