PM> Install-Package Visualize.Fody

public class Example1
{
    public string Name { get; set; }
    public int Number { get; set; }
}

public class Example2 : IEnumerable<int>
{
    public IEnumerator<int> GetEnumerator()
    {
        return Enumerable.Range(0, 10).GetEnumerator();
    }

    IEnumerator IEnumerable.GetEnumerator()
    {
        return GetEnumerator();
    }
}

[DebuggerDisplay("Name = {Name} | Number = {Number}")]
public class Example1
{
    public string Name { get; set; }
    public int Number { get; set; }
}

[DebuggerTypeProxy(typeof(<Example2>Proxy))]
public class Example2 : IEnumerable<int>
{
    private sealed class <Example2>Proxy
    {
        private readonly Example2 original;

        public <Example2>Proxy(Example2 original)
        {
            this.original = original;
        }

        public int[] Items
        {
            get { return new List<int>(original).ToArray(); }
        }
    }

    public IEnumerator<int> GetEnumerator()
    {
        return Enumerable.Range(0, 10).GetEnumerator();
    }

    IEnumerator IEnumerable.GetEnumerator()
    {
        return GetEnumerator();
    }
}