private void RaisePenScreenContactStartedEvent(ColoringBook Book)
 {
     this.RaisePenScreenContactStartedEvent(Book, new EventArgs());
 }
 private void RaiseColorIDChangedEvent(ColoringBook Book)
 {
     this.RaiseColorIDChangedEvent(Book, new EventArgs());
 }
 private void RaisePenScreenContactStartedEvent(ColoringBook Book, EventArgs e)
 {
     OnPenScreenContacted?.Invoke(Book, e);
 }
 private void RaiseColorIDChangedEvent(ColoringBook Book, EventArgs e)
 {
     ColorIDChanged?.Invoke(Book, e);
 }