如何绘制不连续的系列

Question

我在想办法画一个停产的（非连续的）系列。这是该系列的代码：

        Chart.Series["Limit"].Points.AddXY(20000, 30);
        Chart.Series["Limit"].Points.AddXY(1000000, 30);
        //no plotting wanted here
        Chart.Series["Limit"].Points.AddXY(1500000, 40);
        Chart.Series["Limit"].Points.AddXY(2500000, 40);

如何阻止它绘制某些点，如下图所示的对角线？

Answer 1

我不知道如何为同一个系列设置不同的线条参数，但您可以创建两条不同的线条

Chart.Series["Limit"].Points.AddXY(20000, 30);
Chart.Series["Limit"].Points.AddXY(1000000, 30);
Chart.Series["Limit"].BorderColor = Color.Red
//no plotting wanted here
Chart.Series["Limit2"].Points.AddXY(1500000, 40);
Chart.Series["Limit2"].Points.AddXY(2500000, 40);
Chart.Series["Limit2"].BorderColor = Color.Red

Answer 2

您可以通过插入 不可见 DataPoint:

来直观地分解折线图

    Chart.Series["Limit"].Points.AddXY(20000, 30);
    Chart.Series["Limit"].Points.AddXY(1000000, 30);
    //no plotting wanted (from previous point to this one) here
    int index = Chart.Series["Limit"].Points.AddXY(1500000, 40);
    Chart.Series["Limit"].Points[index].Color = Color.Transparent;
    Chart.Series["Limit"].Points.AddXY(2500000, 40);

这使得通向 DataPoint 透明的线。

如何绘制不连续的系列

How to draw a non-continous series

c#

mschart