public CondShape()
{
points = new PointCollection();
polyline1 = new Polyline();
polyline1.Stroke = Brushes.SlateGray;
polyline1.StrokeThickness = 3;
polyline1.StrokeEndLineCap = PenLineCap.Square;
polyline2 = new RoundedCornersPolygon();
polyline1.StrokeStartLineCap = PenLineCap.Square;
polyline2.Stroke = polyline1.Stroke;
polyline2.StrokeThickness = polyline1.StrokeThickness;
polyline2.ArcRoundness = 15;
polyline2.IsClosed = false;
arrow = new Polyline();
arrow.Stroke = Brushes.SlateGray;
arrow.StrokeThickness = 3;
arrow.StrokeEndLineCap = PenLineCap.Round;
textBlock = new TextBlock();
NormalOrder = true;
}