private bool SwigDerivedClassHasMethod(string methodName, Type[] methodTypes) {
System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(methodName, System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance, null, methodTypes, null);
bool hasDerivedMethod = methodInfo.DeclaringType.IsSubclassOf(typeof(MgBaseRect));
return hasDerivedMethod;
}