public static void Run()
{
// ExStart:1
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Open the existing file.
Workbook workbook = new Workbook(dataDir + "chart.xls");
// Get the designer chart in the second sheet.
Worksheet sheet = workbook.Worksheets[1];
Aspose.Cells.Charts.Chart chart = sheet.Charts[0];
// Add a new label to the chart.
Aspose.Cells.Drawing.Label label = chart.Shapes.AddLabelInChart(100, 100, 350, 900);
// Set the caption of the label.
label.Text = "A Label In Chart";
// Set the Placement Type, the way the
// Label is attached to the cells.
label.Placement = Aspose.Cells.Drawing.PlacementType.FreeFloating;
// Save the excel file.
workbook.Save(dataDir + "chart.out.xls");
// ExEnd:1
}
}