C# Line.set_Y2方法代码示例

 private void LineAdjust1PixelsWidth(Line l)
 {
     l.set_X1(l.get_X1() + 0.5);
     l.set_X2(l.get_X2() + 0.5);
     l.set_Y1(l.get_Y1() + 0.5);
     l.set_Y2(l.get_Y2() + 0.5);
 }

 private Line LineClone(Line line)
 {
     Line line2 = new Line();
     line2.set_X1(line.get_X1());
     line2.set_X2(line.get_X2());
     line2.set_Y1(line.get_Y1());
     line2.set_Y2(line.get_Y2());
     return line2;
 }

 private void DrawStationTimeScale(double y, List<MarkerData> ls, bool big)
 {
     double num = big ? 4.5 : 2.0;
     foreach (MarkerData data in ls)
     {
         if (data.Style == PositionMarkerStyle.MarkerStation)
         {
             Line l = new Line();
             l.set_X1(data.Position - num);
             l.set_Y1(y);
             l.set_X2(data.Position + num);
             l.set_Y2(y);
             this.LineAdjust1PixelsWidth(l);
             l.set_Width(1251.0);
             l.set_Height(this.CanvasRoot_ActualHeight);
             l.set_StrokeThickness(1.0);
             l.set_Stroke(new SolidColorBrush(_SilverlightHelper.ConvertToColor(data.Color)));
             this.CanvasRoot.get_Children().Add(l);
         }
     }
 }

 private void DrawStation(MarkerData s, Rectangle rc)
 {
     if (s.Visible)
     {
         Line l = new Line();
         l.set_X1((double) s.Position);
         l.set_X2((double) s.Position);
         l.set_Y1((double) rc.Y);
         l.set_Y2(this.CanvasRoot_ActualHeight - rc.Y);
         l.set_Width(1251.0);
         l.set_Height(this.CanvasRoot_ActualHeight);
         if (s.Style == PositionMarkerStyle.MarkerStation)
         {
             l.set_StrokeThickness(2.0);
         }
         else if (s.Style == PositionMarkerStyle.MarkerIntermediateStop)
         {
             l.get_StrokeDashArray().Add(2.0);
             l.get_StrokeDashArray().Add(2.0);
             l.set_StrokeThickness(2.0);
         }
         else if (s.Style == PositionMarkerStyle.MarkerSegmentBorder)
         {
             l.set_StrokeThickness(1.0);
         }
         else
         {
             l.set_StrokeThickness(2.0);
         }
         l.set_Stroke(new SolidColorBrush(_SilverlightHelper.ConvertToColor(s.Color)));
         this.LineAdjust1PixelsWidth(l);
         this.CanvasRoot.get_Children().Add(l);
     }
 }

 private void DrawHorScaleLine(Rectangle rc, double y)
 {
     Line line = new Line();
     int x = rc.X;
     line.set_X1((double) x);
     line.set_Y1(y);
     line.set_X2(this.Position2PointX(rc.Width, rc) + x);
     line.set_Y2(y);
     line.set_Width(1251.0);
     line.set_Height(this.CanvasRoot_ActualHeight);
     line.set_StrokeThickness(1.0);
     line.set_Stroke(new SolidColorBrush(ColorConstants.LightGray));
     this.CanvasRoot.get_Children().Add(line);
 }

 private void DrawCurve(TrainCurveData c, Rectangle rc, List<Line> rectangles, int startIndex)
 {
     if ((c != null) && (c.Points != null))
     {
         PointData data;
         PointData data2;
         int num = 0;
         int num2 = -1;
         Line item = new Line();
         Color color = Colors.get_Black();
         double widthRequires = 0.0;
         if (c.Points.Count > 0)
         {
             widthRequires = this.DrawCurveTitle(rc, c.Points[0], c.Points[0], c.Caption, false);
         }
         for (int i = startIndex; i < (c.Points.Count - 1); i++)
         {
             data = c.Points[i];
             data2 = c.Points[i + 1];
             if (!c.Regular)
             {
                 TimeSpan span = (TimeSpan) (data.DateTime - data2.DateTime);
                 if (this.IsGap((double) (data.Position - data2.Position), span.TotalMinutes))
                 {
                     c.CaptionHasDrawn = false;
                     c.CaptionStartIndex = i + 1;
                     continue;
                 }
             }
             color = _SilverlightHelper.ConvertToColor(data2.Color);
             Line line2 = new Line();
             line2.set_X1(this.Position2PointX(data.Position, rc));
             line2.set_Y1(this.DateTime2PointY(data.DateTime, rc));
             line2.set_X2(this.Position2PointX(data2.Position, rc));
             line2.set_Y2(this.DateTime2PointY(data2.DateTime, rc));
             line2.set_Width(1251.0);
             line2.set_Height(this.CanvasRoot_ActualHeight);
             line2.set_StrokeThickness(2.0);
             line2.set_Stroke(new SolidColorBrush(color));
             this.CanvasRoot.get_Children().Add(line2);
             if (c.Regular && (c.Caption.Length > 0))
             {
                 if (!this.HasInsersection(rectangles, line2))
                 {
                     int num5 = data2.Position - data.Position;
                     if (num5 > num)
                     {
                         num = num5;
                         num2 = i;
                         item = this.LineClone(line2);
                     }
                 }
             }
             else if (!c.CaptionHasDrawn)
             {
                 int num6;
                 int num7;
                 int num8;
                 bool flag;
                 if (this.GetGoodPointsForTitle(c, c.CaptionStartIndex, rc, widthRequires, out num6, out num7, out num8, out flag))
                 {
                     c.CaptionHasDrawn = true;
                     this.DrawCurveTitle(rc, c.Points[num6], c.Points[num7], c.Caption, true);
                 }
                 else if (flag)
                 {
                     c.CaptionStartIndex = num8;
                 }
             }
         }
         if ((c.Regular && (c.Caption.Length > 0)) && (num2 != -1))
         {
             data = c.Points[num2];
             data2 = c.Points[num2 + 1];
             color = _SilverlightHelper.ConvertToColor(data2.Color);
             if (rectangles != null)
             {
                 rectangles.Add(item);
             }
             Point point = new Point();
             Point point2 = new Point();
             point.set_X(this.Position2PointX(data.Position, rc));
             point.set_Y(this.DateTime2PointY(data.DateTime, rc));
             point2.set_X(this.Position2PointX(data2.Position, rc));
             point2.set_Y(this.DateTime2PointY(data2.DateTime, rc));
             double rotationAngle = _SilverlightHelper.GetRotationAngle(point, point2);
             double num10 = point2.get_X() - point.get_X();
             TextBlock block = new TextBlock();
             block.SetValue(Canvas.TopProperty, point.get_Y() + 5.0);
             block.SetValue(Canvas.LeftProperty, point.get_X());
             block.SetValue(FrameworkElement.WidthProperty, num10);
             block.SetValue(FrameworkElement.HeightProperty, 50.0);
             block.set_Width(num10);
             block.set_Text(c.Caption);
             block.set_FontSize(17.0);
             block.set_FontFamily(new FontFamily("Arial"));
             block.set_Foreground(new SolidColorBrush(color));
             block.set_FontStyle(FontStyles.get_Normal());
             block.set_FontWeight(FontWeights.get_Bold());
             RotateTransform transform = new RotateTransform();
//.........这里部分代码省略.........

 public static bool IntersectionOf(Line line1, Line line2)
 {
     if (((line1.get_X1() == line1.get_X2()) && (line1.get_Y1() == line1.get_Y2())) || ((line2.get_X1() == line2.get_X2()) && (line2.get_Y1() == line2.get_Y2())))
     {
         return false;
     }
     if (((line1.get_X1() != line2.get_X1()) || (line1.get_Y1() != line2.get_Y1())) && ((line1.get_X2() != line2.get_X1()) || (line1.get_Y2() != line2.get_Y1())))
     {
         if (((line1.get_X1() == line2.get_X2()) && (line1.get_Y1() == line2.get_Y2())) || ((line1.get_X2() == line2.get_X2()) && (line1.get_Y2() == line2.get_Y2())))
         {
             return true;
         }
         line1.set_X2(line1.get_X2() - line1.get_X1());
         line1.set_Y2(line1.get_Y2() - line1.get_Y1());
         line2.set_X1(line2.get_X1() - line1.get_X1());
         line2.set_Y1(line2.get_Y1() - line1.get_Y1());
         line2.set_X2(line2.get_X2() - line1.get_X1());
         line2.set_Y2(line2.get_Y2() - line1.get_Y1());
         double num = Math.Sqrt((line1.get_X2() * line1.get_X2()) + (line1.get_Y2() * line1.get_Y2()));
         double num2 = line1.get_X2() / num;
         double num3 = line1.get_Y2() / num;
         double num4 = (line2.get_X1() * num2) + (line2.get_Y1() * num3);
         line2.set_Y1((line2.get_Y1() * num2) - (line2.get_X1() * num3));
         line2.set_X1(num4);
         num4 = (line2.get_X2() * num2) + (line2.get_Y2() * num3);
         line2.set_Y2((line2.get_Y2() * num2) - (line2.get_X2() * num3));
         line2.set_X2(num4);
         if (((line2.get_Y1() < 0.0) && (line2.get_Y2() < 0.0)) || ((line2.get_Y1() >= 0.0) && (line2.get_Y2() >= 0.0)))
         {
             return false;
         }
         double num5 = line2.get_X2() + (((line2.get_X1() - line2.get_X2()) * line2.get_Y2()) / (line2.get_Y2() - line2.get_Y1()));
         if ((num5 < 0.0) || (num5 > num))
         {
             return false;
         }
     }
     return true;
 }