/// <summary>
/// Helper method to fetch the editing API for an IPropertyEditor.
/// </summary>
private static IPropertyEditorEditAPI GetEditingAPI(IPropertyEditor editor)
{
var api = editor as IPropertyEditorEditAPI;
if (api == null)
{
throw new InvalidOperationException(string.Format("Type {0} needs to extend " +
"IPropertyEditorEditAPI", editor.GetType()));
}
return(api);
}