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IEnumerable<string> GetAlternateSpellings(string baseName)
{
  if (string.IsNullOrWhiteSpace(baseName))
    yield break;

  yield return baseName;
  if (baseName.Contains("_"))
  {
    yield return Regex.Replace(baseName, @"(_)([a-z])", m => m.Groups.Cast<Group>().Last().Value.ToUpper());
  }

lisardggY

public static class ObservableCollectionExtensions
{
   public static IDisposable SuppressCollectionEvents(this INotifyCollectionChanged collection,
           bool fireEventWhenComplete = true)
   {
       return new CollectionEventSuppressor(collection, fireEventWhenComplete);
   }

   private class CollectionEventSuppressor : IDisposable
   {

lisardggY

public static class EnumerableExtensions
{
  public static string StringJoin<T>(this IEnumerable<T> source, string delimiter)
  {
     return string.Join(delimiter, source);
   }
}

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public static async Task WaitForValue<T>(this INotifyPropertyChanged toObserve,
            Expression<Func<T>> propertyExpression, 
			      T valueToAwait, 
			      IEqualityComparer<T> comparer = null)
{
    comparer = comparer ?? EqualityComparer<T>.Default;
    var getValue = propertyExpression.Compile();

    if (comparer.Equals(getValue(), valueToAwait))
        return;