/// <summary>/// C#中鼠标移动获取Chart图形上的坐标值/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void chart1_GetToolTipText(object sender, System.Windows.Forms.DataVisualization.Charting.ToolTipEventArgs e){if (e.HitTestResult.ChartElementType == ChartElementType.DataPoint){this.Cursor = Cursors.Cross;int i = e.HitTestResult.PointIndex;System.Text.StringBuilder dpStr = new System.Text.StringBuilder();foreach (var item in chart1.Series){DataPoint dp = item.Points[i];dpStr.Append(item.Name + " X:" + dp.XValue + " Y:" + dp.YValues[0] + "\r\n");}e.Text = dpStr.ToString();}else{this.Cursor = Cursors.Default;}}=========================================================================
this.chart1.MouseClick += new MouseEventHandler(chart1_MouseClick);/// <summary>/// C#中鼠标点击获取Chart图形上的坐标值/// </summary>/// <param name="sender"></param>/// <param name="e"></param>private void chart1_MouseClick(object sender, MouseEventArgs e){// 获取点击位置的点的坐标HitTestResult result = chart1.HitTest(e.X, e.Y);if (result.ChartElementType == ChartElementType.DataPoint){int index = result.PointIndex;DataPoint point = chart1.Series[0].Points[index];double xValue = point.XValue;double yValue = point.YValues[0];MessageBox.Show($"Clicked at: X = {xValue}, Y = {yValue}");}}
