C# chart控件绘制曲线

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Windows.Forms.DataVisualization.Charting;
using System.Drawing;
 
namespace DrawGraph
{
　　/// <summary>
　　/// 绘制曲线类
　　/// </summary>
　　public static class DrawClass
　　{
　　　　#region 绘制曲线函数
　　　　/// <summary>
　　　　/// 绘制曲线函数
       /// </summary>
         /// <param name="listX">X值集合</param>
         /// <param name="listY">Y值集合</param>
         /// <param name="chart">Chart控件</param>
         public static void DrawSpline(List<int> listX, List<double> listY, Chart chart)
         {
             try
             {
                 //X、Y值成员
                 chart.Series[0].Points.DataBindXY(listX, listY);
                 chart.Series[0].Points.DataBindY(listY);

                 //点颜色
                 chart.Series[0].MarkerColor = Color.Green;
                 //图表类型  设置为样条图曲线
                 chart.Series[0].ChartType = SeriesChartType.Spline;
                 //设置点的大小
                 chart.Series[0].MarkerSize = 5;
                 //设置曲线的颜色
                 chart.Series[0].Color = Color.Orange;
                 //设置曲线宽度
                 chart.Series[0].BorderWidth = 2;
                 //chart.Series[0].CustomProperties = "PointWidth=4";
                 //设置是否显示坐标标注
                 chart.Series[0].IsValueShownAsLabel = false;

                 //设置游标
                 chart.ChartAreas[0].CursorX.IsUserEnabled = true;
                 chart.ChartAreas[0].CursorX.AutoScroll = true;
                 chart.ChartAreas[0].CursorX.IsUserSelectionEnabled = true;
                 //设置X轴是否可以缩放
                 chart.ChartAreas[0].AxisX.ScaleView.Zoomable = true;
                 //将滚动条放到图表外
                 chart.ChartAreas[0].AxisX.ScrollBar.IsPositionedInside = false;
                 // 设置滚动条的大小
                 chart.ChartAreas[0].AxisX.ScrollBar.Size = 15;
                 // 设置滚动条的按钮的风格，下面代码是将所有滚动条上的按钮都显示出来
                 chart.ChartAreas[0].AxisX.ScrollBar.ButtonStyle = ScrollBarButtonStyles.All;
                 chart.ChartAreas[0].AxisX.ScrollBar.ButtonColor = Color.SkyBlue;
                 // 设置自动放大与缩小的最小量
                 chart.ChartAreas[0].AxisX.ScaleView.SmallScrollSize = double.NaN;
                 chart.ChartAreas[0].AxisX.ScaleView.SmallScrollMinSize = 1;
                 //设置刻度间隔
                 chart.ChartAreas[0].AxisX.Interval = 10;
                 //将X轴上格网取消
                 chart.ChartAreas[0].AxisX.MajorGrid.Enabled = false;
                 //X轴、Y轴标题
                 chart.ChartAreas[0].AxisX.Title = "环号";
                 chart.ChartAreas[0].AxisY.Title = "直径";
                 //设置Y轴范围  可以根据实际情况重新修改
                 double max = listY[0];
                 double min = listY[0];
                 foreach (var yValue in listY)
                 {
                     if (max < yValue)
                     {
                         max = yValue;
                     }
                     if (min > yValue)
                     {
                         min = yValue;
                     }
                 }
                 chart.ChartAreas[0].AxisY.Maximum = max;
                 chart.ChartAreas[0].AxisY.Minimum = min;
                 chart.ChartAreas[0].AxisY.Interval = (max - min) / 10;
                 //绑定数据源
                 chart.DataBind();
             }
             catch (Exception exc)
             {
                 MessageBox.Show(exc.ToString());
             }
         } 
         #endregion

         #region 鼠标点击，通过环号显示游标，并缩放到响应位置
         /// <summary>
         /// 鼠标点击，通过环号显示游标，并缩放到响应位置函数
         /// </summary>
         /// <param name="ringNum">环号</param>
         /// <param name="chart">Chart控件</param>
         public static void ShowCurByClick(int ringNum, Chart chart)
         {
             //设置游标位置
             chart.ChartAreas[0].CursorX.Position = ringNum;
             //设置视图缩放
             chart.ChartAreas[0].AxisX.ScaleView.Zoom(ringNum - 1, ringNum + 2);
             //改变曲线线宽
             chart.Series[0].BorderWidth = 3;
             //改变X轴刻度间隔
             chart.ChartAreas[0].AxisX.Interval = 1;
         } 
         #endregion
    }
}