/// <summary>
///
/// </summary>
/// <param name="thing"></param>
public void Remove(PersistWindowFormElement thing)
{
base.BaseRemove(GetElementKey(thing));
}
/// <summary>
///
/// </summary>
/// <param name="thing"></param>
public void Add(PersistWindowFormElement thing)
{
base.BaseAdd(thing);
}
