using System;

public class Program

{

    private Action Method1() {

        return () => MyFunc(new Type1(), null);

    }

​

    private void Method2()

    {

        var funcWithAllParameters = Method1();

        funcWithAllParameters.Invoke();

    }

​

    private void MyFunc(Type1 p1, Type2 p2)

    {

        //

    }

}

​

class Type1

{}

class Type2

{}