Chart myChart = new Chart(); myChart.Invalidate();
private void updateChart() { //some code to update chart data... chart1.Invalidate(); }In this example, a method named "updateChart" is created to update the chart data and the Invalidate method is called to redraw the control after the data has been updated. The System.Windows.Forms.DataVisualization.Charting library is used to create data visualizations in C#.