Type Alias gtk4_sys::GtkTreeViewColumnDropFunc
source · pub type GtkTreeViewColumnDropFunc = Option<unsafe extern "C" fn(_: *mut GtkTreeView, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: gpointer) -> gboolean>;
Aliased Type§
enum GtkTreeViewColumnDropFunc {
None,
Some(unsafe extern "C" fn(_: *mut GtkTreeView, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: *mut c_void) -> i32),
}
Variants§
None
No value.
Some(unsafe extern "C" fn(_: *mut GtkTreeView, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: *mut GtkTreeViewColumn, _: *mut c_void) -> i32)
Some value of type T
.