using System;

using System.Reflection;

using System.Diagnostics;

​

public class Program

{

    public static void Main()

    {

        TestClass test = new TestClass();

        int a = test.Property;

    }

}

​

public static class TypeHelper

{

    public static Type GetCallerType() => (new StackFrame(1).GetMethod() as MethodInfo)?.ReturnType;

}

​

public class TestClass

{

    public int Property

    {

        get

        {

            Console.WriteLine(TypeHelper.GetCallerType());

            return 0;

        }

    }

}