.NET Framework (current version)
Returns an enumerator that iterates through the current String object.
This member is an explicit interface member implementation. It can be used only when the String instance is cast to an IEnumerable<T> interface. For more information, see the GetEnumerator method.
Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0
.NET Framework Client Profile
Supported in: 4, 3.5 SP1
Supported in: 3.0, 2.0, 1.0
.NET for Windows Phone apps
Supported in: Windows Phone 8.1, Windows Phone Silverlight 8.1, Windows Phone Silverlight 8