protected override void MakeGraphic()
        {
            if (_alpha < 100)
            {
                _color = Draw.Utility.AdjustOpacity(_color, _alpha);
            }

            Idaho.Draw.Triangle draw = new Idaho.Draw.Triangle(_direction);
            draw.Width            = base.Width;
            draw.Height           = base.Height;
            draw.Color.BackGround = System.Drawing.Color.Transparent;
            draw.Color.ForeGround = _color;
            draw.Create();
            this.Bitmap = draw.Bitmap;
        }