protected IEnumerable <Type> GetPaneTypes()
{
foreach (var paneType in GetDefaultPaneTypes())
{
yield return(paneType);
}
var extraPaneTypes = m_ActualView.GetExtraPaneTypes().ToList();
if (extraPaneTypes.Count > 0)
{
yield return(null); // for spacer
foreach (var paneType in extraPaneTypes)
{
yield return(paneType);
}
}
}
