/// <summary>
/// Adds a thing to the local model used in rendering
/// </summary>
/// <param name="key"> </param>
/// <param name="officeThing"> </param>
public virtual void addUpdateThingToLocalModel(string key, OfficeThing officeThing)
{
officeThing.Key = key;
mOfficeLayout[key] = officeThing;
mOfficeCanvasView.invalidate();
}
