Type Alias gtk4_sys::GtkScaleFormatValueFunc
source · pub type GtkScaleFormatValueFunc = Option<unsafe extern "C" fn(_: *mut GtkScale, _: c_double, _: gpointer) -> *mut c_char>;
Aliased Type§
enum GtkScaleFormatValueFunc {
None,
Some(unsafe extern "C" fn(_: *mut GtkScale, _: f64, _: *mut c_void) -> *mut i8),
}