public void RemoveObject(GridObjectBrush objectBrush)
 {
     if (m_GridObjectBrushes.Contains(objectBrush))
     {
         m_GridObjectBrushes.Remove(objectBrush);
     }
 }
 public GridObjectBrush(GridObjectBrush gridTileBrush)
 {
     this.m_GridObject         = gridTileBrush.m_GridObject;
     this.m_InitialOrientation = gridTileBrush.m_InitialOrientation;
 }