WinForms Chart: Plot Curves from Data
In Winform, you can use the Chart control to plot a curve. To read the data and plot it as a curve, you can follow these steps:
- Add the Chart control to the form. In Visual Studio, you can find the Chart control in the Toolbox and drag it onto the form.
- Prepare the data. You can read data from a file, database, or other data source and then store it in an array or list.
- Add data to the Chart control. You can bind data to the Chart control using the following code:
// 清空之前的数据
chart1.Series.Clear();
// 创建一个新的Series
Series series = new Series();
series.ChartType = SeriesChartType.Line;
// 将数据添加到Series中
foreach (var dataPoint in dataList)
{
series.Points.AddY(dataPoint);
}
// 将Series添加到Chart控件中
chart1.Series.Add(series);
- The style, color, and labels of the curve can be customized as needed.
- Finally, call the Invalidate() method of the Chart control to refresh the control and display the drawn curve.
By following the above steps, you can read data and plot a curve on the Chart control in a Winform application.