internal static void DrawEdge(Graphics graphics, DEdge dEdge) { DrawingEdge drawingEdge = dEdge.DrawingEdge; if (!drawingEdge.IsVisible || drawingEdge.GeometryEdge == null) { return; } DrawingEdge edge = dEdge.DrawingEdge; if (edge.DrawEdgeDelegate != null) { if (edge.DrawEdgeDelegate(edge, graphics)) { return; //the client draws instead } } if (dEdge.GraphicsPath == null) { dEdge.GraphicsPath = Draw.CreateGraphicsPath(dEdge.Edge.GeometryEdge.Curve); } EdgeAttr attr = drawingEdge.Attr; using (var myPen = new Pen(dEdge.Color, (float)attr.LineWidth)) { foreach (Style style in attr.Styles) { Draw.AddStyleForPen(dEdge, myPen, style); } try { if (dEdge.GraphicsPath != null) { graphics.DrawPath(myPen, dEdge.GraphicsPath); } } catch { // sometimes on Vista it throws an out of memory exception without any obvious reason } Draw.DrawEdgeArrows(graphics, drawingEdge, dEdge.Color, myPen); if (dEdge.DrawingEdge.GeometryEdge.Label != null) { Draw.DrawLabel(graphics, dEdge.Label); } #if TEST_MSAGL if (DrawControlPoints) { ICurve iCurve = dEdge.DrawingEdge.GeometryEdge.Curve; var c = iCurve as Curve; if (c != null) { foreach (ICurve seg in c.Segments) { var cubic = seg as CubicBezierSegment; if (cubic != null) { Draw.DrawControlPoints(graphics, cubic); } } } else { var seg = iCurve as CubicBezierSegment; if (seg != null) { Draw.DrawControlPoints(graphics, seg); } } } #endif } }