public string doOpertion(string operationName, int numb1, int numb2)
{
object[] mParam = new object[] { numb1, numb2 };
var myClassObj = new MyClass();
var myTpyeObj = myClassObj.GetType();
var myMethodInfo = myTpyeObj.GetMethod(operationName);
return myMethodInfo.Invoke(myClassObj, mParam).ToString();
}
static void Main(string[] args)
{
var instance = new MyClass();
WriteLine(instance.doOpertion("AddNumb", 3, 5));
WriteLine(instance.doOpertion("SubNumb", 7, 2));
WriteLine("Done.");
ReadLine();
}