protected override void ApplyInvertedDrawing(IList <Rectangle> updates)
{
var point = this.Command.Point;
int startAngle = Command.StartAngle;
int endAngle = Command.EndAngle;
if (startAngle > endAngle)
{
var t = startAngle;
startAngle = endAngle;
endAngle = t;
}
this.BGI.Ellipse(point.X, point.Y, startAngle, endAngle, Command.Radius.Width, Command.Radius.Height, updates);
this.BGI.Line(point, point + BGICanvas.GetAngleSize(startAngle, Command.Radius), updates);
this.BGI.Line(point, point + BGICanvas.GetAngleSize(endAngle, Command.Radius), updates);
ApplyHandles(updates);
}