Type Definition gtk4_sys::GtkScaleFormatValueFunc [−][src]
pub type GtkScaleFormatValueFunc = Option<unsafe extern "C" fn(_: *mut GtkScale, _: c_double, _: gpointer) -> *mut c_char>;
pub type GtkScaleFormatValueFunc = Option<unsafe extern "C" fn(_: *mut GtkScale, _: c_double, _: gpointer) -> *mut c_char>;