/// <summary>
/// Calls OnRemove() on the DefaultExtension.
/// </summary>
public override void RemoveExtension(Extension extension)
{
DefaultExtension defaultExtension = extension as DefaultExtension;
Debug.Assert(defaultExtension != null);
defaultExtension.CallOnRemove();
}
/// <summary>
/// Creates an instance of the DefaultExtension and calls OnInitialize on it.
/// </summary>
public override Extension CreateExtension(Type extensionType, DesignItem extendedItem)
{
DefaultExtension ext = (DefaultExtension)Activator.CreateInstance(extensionType);
ext.InitializeDefaultExtension(extendedItem);
return(ext);
}