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C# object initialization of read only collection properties
using System;
using System.Collections.Generic;
using NUnit.Framework;

namespace WF4.UnitTest
{
    public class MyClass
    {
        private List<string> _strCol = new List<string> {"test1"};

        public List<string> StringCollection
        {
            get
            {
                return _strCol;
            }
        }
    }

    [TestFixture]
    public class UnitTests
    {
        [Test]
        public void MyTest()
        {
            MyClass c = new MyClass
            {
                // huh?  this property is read only!
                StringCollection = { "test2", "test3" }
            };

            // none of these things compile (as I wouldn't expect them to)
            //c.StringCollection = { "test1", "test2" };
            //c.StringCollection = new Collection<string>();

            // 'test1', 'test2', 'test3' is output
            foreach (string s in c.StringCollection) Console.WriteLine(s);
        }
    }
}

MyClass c = new MyClass
{
    StringCollection = { "test2", "test3" }
};

MyClass tmp = new MyClass();
tmp.StringCollection.Add("test2");
tmp.StringCollection.Add("test3");
MyClass c = tmp;

// this WON'T work, as we can't assign to the property (no setter)
MyClass c = new MyClass
{
    StringCollection = new StringCollection { "test2", "test3" }
};

c.StringCollection = new List<string>();