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 an image file to the stream.
FileStream stream = new FileStream(dataDir + "logo.jpg", FileMode.Open, FileAccess.Read);
// Get the designer chart in the second sheet.
Worksheet sheet = workbook.Worksheets[0];
Aspose.Cells.Charts.Chart chart = sheet.Charts[0];
// Add a new picture to the chart.
Aspose.Cells.Drawing.Picture pic0 = chart.Shapes.AddPictureInChart(50, 50, stream, 40, 40);
// Get the lineformat type of the picture.
Aspose.Cells.Drawing.LineFormat lineformat = pic0.Line;
// Set the dash style.
lineformat.DashStyle = Aspose.Cells.Drawing.MsoLineDashStyle.Solid;
// Set the line weight.
lineformat.Weight = 4;
// Save the excel file.
workbook.Save(dataDir + "chart.out.xls");
// ExEnd:1
}
}