/// <summary>
 /// Removes the label from the drawing.
 /// </summary>
 /// <param name="label">The label.</param>
 public void RemoveLabel(BCGLabel label)
 {
     this.labels.Remove(label);
 }
 /// <summary>
 /// Adds the label to the drawing.
 /// </summary>
 /// <param name="label">The label.</param>
 public void AddLabel(BCGLabel label)
 {
     label.SetBackgroundColor(this.colorBg);
     this.labels.Add(label);
 }