glib/glib.go
func (v *Object) HandlerBlock(handle SignalHandle) {
	C.g_signal_handler_block(C.gpointer(v.GObject), C.gulong(handle))
}
func (v *Object) HandlerBlock(handle SignalHandle) {
	C.g_signal_handler_block(C.gpointer(v.GObject), C.gulong(handle))
}
// HandlerBlock is a wrapper around g_signal_handler_block().