Program.cs

public unsafe class Getter
{
    private delegate*<Obj, SomeStruct> _functionPointer;

    public Getter(string propName)
    {
        var methodInfo = typeof(Obj).GetProperty(propName).GetGetMethod();
        _functionPointer = (delegate*<Obj, SomeStruct>)methodInfo.MethodHandle.GetFunctionPointer();
    }

    public SomeStruct GetFromFunctionPointer(Obj target)
    {
        var v = _functionPointer(target);
        return v;
    }
}

public struct SomeStruct
{
    public int Value1;
    public int Value2;
    public int Value3;
    public int Value4;
}

public class Obj
{
    public SomeStruct Property { get; set; }
}

class Program
{
    static void Main(string[] args)
    {
        var obj = new Obj { Property = new SomeStruct { Value1 = 42 } };

        var getter = new Getter("Property");

        Console.WriteLine($"Value: {getter.GetFromFunctionPointer(obj).Value1}");
    }
}