using XpandoLibrary;

var boringUser = new { Name ="John Smith" };
dynamic coolUser = boringUser.ToExpando(); // does the magic

coolUser.NickName = "Johny";

using XpandoLibrary;

var expando = new ExpandoObject();
dynamic dynamic = expando;

expando.Empty(); // True

dynamic.Foo = "Bar";

expando.Empty(); // False

using XpandoLibrary;

var expando = new ExpandoObject();
dynamic dynamic = expando;

dynamic.Foo = "Bar";

expando.HasProperty("Foo"); // True
expando.HasProperty("Qux"); // False

using XpandoLibrary;

var expando = new ExpandoObject();
dynamic dynamic = expando;

dynamic.Foo = "Bar";           // creates the property
expando.RemoveProperty("Foo"); // removes the property

using XpandoLibrary;

var expando = new ExpandoObject();

// (some initialization with nested ExpandoObject)

expando.ShallowCopy(); // creates a shallow copy of object (doesn't copy nested ExpandoObject)
expando.DeepCopy();    // creates a deep copy of object (copies nested ExpandoObject)