Type Alias gtk4_sys::GtkListBoxUpdateHeaderFunc
source · pub type GtkListBoxUpdateHeaderFunc = Option<unsafe extern "C" fn(_: *mut GtkListBoxRow, _: *mut GtkListBoxRow, _: gpointer)>;
Aliased Type§
enum GtkListBoxUpdateHeaderFunc {
None,
Some(unsafe extern "C" fn(_: *mut GtkListBoxRow, _: *mut GtkListBoxRow, _: *mut c_void)),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut GtkListBoxRow, _: *mut GtkListBoxRow, _: *mut c_void))
Some value of type T
.