/// <summary> /// 画图 /// </summary> /// <param name="e"></param> protected override void OnPaint(PaintEventArgs e) { if (this.DesignMode) { ///Y坐标轴 _mainPanel.YAxisList.Clear(); _mainPanel.YAxisList.Add(new MedAxis(this.Font, Brushes.Black, 100, 0, 20)); _mainPanel.YAxisList.MinSetp = 1; _mainPanel.YAxisList.Pen.Color = Color.Black; ///X坐标轴 _mainPanel.XAxisList.Clear(); MedAxis axis = new MedAxis(this.Font, Brushes.Black, 10, 1, 1f); _mainPanel.XAxisList.Add(axis); _mainPanel.XAxisList.MinSetp = 1; _mainPanel.XAxisList.Pen.Color = Color.Black; ///其他属性 _mainPanel.LeftMargin = 10; _mainPanel.BottomMargin = 20; _mainPanel.RectBorderPen = Pens.Gray; _mainPanel.HasAxisGridLine = false; _mainPanel.XAxisTitleAtTop = false; _mainPanel.CurveList.Clear(); MedPointList points = new MedPointList(); points.Add(1, 10); points.Add(2, 40); points.Add(3, 20); points.Add(4, 80); points.Add(5, 50); points.Add(6, 70); points.Add(7, 60); points.Add(8, 100); points.Add(9, 90); points.Add(10, 0); MedCurve curve = new MedCurve(points); _mainPanel.CurveList.Add(curve); } ///隐藏滚动条 ///如果没有坐标轴则不作图 if ((_mainPanel.XAxisList.Count == 0) || (_mainPanel.YAxisList.Count == 0)) { return; } _mainPanel.DrawGraph(e.Graphics); ///绘制光标位置 if (_drawcursorpos) { DrawCursorPos(e.Graphics); } }
public MedPointList SubPoints(float minvalue, float maxvalue) { MedPointList points = new MedPointList(); foreach (MedPoint point in _points) { if ((point.X >= minvalue) && (point.X < maxvalue)) { points.Add(point.X, point.Y); } } return(points); }