To add ToolTips to the Chart's DataSeries, complete the following steps:

1. Add C1Chart to the Form.
2. Add the following directive to declare the C1.Win.C1Chart namepace:

   To write code in Visual Basic

   Visual Basic	Copy Code
   Imports C1.Win.C1Chart

   To write code in C#

   C#	Copy Code
   using C1.Win.C1Chart;

3. Add the following code in the Form_load procedure to declare the dataseries and add the tooltips to the dataseries:

   To write code in Visual Basic

   Visual Basic	Copy Code
   C1Chart1.ToolTip.Enabled = True Dim sc As ChartDataSeriesCollection = C1Chart1.ChartGroups(0).ChartData.SeriesList For Each ds As ChartDataSeries In sc ds.TooltipText = "Series: {#TEXT}" + ControlChars.Cr + ControlChars.Lf + "x = {#XVAL}" + ControlChars.Cr + ControlChars.Lf + "y = {#YVAL}" Next ds

   To write code in C#

   C#	Copy Code
   ChartDataSeriesCollection sc = c1Chart1.ChartGroups[0].ChartData.SeriesList; foreach (ChartDataSeries ds in sc) ds.TooltipText = "Series: {#TEXT}" + '\r' + '\n' + "x = {#XVAL}" + '\r' + '\n' + "y = {#YVAL}"; // Enable tooltip c1Chart1.ToolTip.Enabled = true;

   This topic illustrates the following:

   When you hover over the points in the data series on the chart area at run time, the tooltips appear for each point, like the following: