/// <summary>
/// Returns the next Class name for the Theme
/// </summary>
/// <returns></returns>
public string GetNextClassName()
{
if (ClassNames == null || ClassNames.Count == 0)
{
return(NAME_UNAVAILABLE);
}
string nextName;
do
{
nextName = ClassNames.Dequeue();
} while (string.IsNullOrEmpty(nextName));
//put the name at the end so we keep looping
ClassNames.Enqueue(nextName);
return(nextName);
}