static bool PoppedDown_cb(IntPtr inst)
{
try {
ComboBox __obj = GLib.Object.GetObject(inst, false) as ComboBox;
bool __result;
__result = __obj.OnPoppedDown();
return(__result);
} catch (Exception e) {
GLib.ExceptionManager.RaiseUnhandledException(e, true);
// NOTREACHED: above call does not return.
throw e;
}
}