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How to update formula for each row using Template Markers Refer here to explore the rich set of Syncfusion Essential XlsIO features. Return reader.ReadBytes(CInt(imageStream.Length))Ī complete Windows Forms working example of how to add an image to the center of an Excel cell using template markers in C# and VB can be downloaded from Position image in Excel cell.zip. Using reader As BinaryReader = New BinaryReader(imageStream) Private Function GetImage(ByVal imageStream As Stream) As Byte() Private Shared Function GetSalesReports(ByVal stream As Stream) As List(Of Report)ĭim reports As List(Of Report) = New List(Of Report)() (b) Use the following code snippet to add an image to the center of an Excel cell in the existing Excel document that contains template markers.

Workbook.SaveAs("././Output/CreatedOutput.xlsx") 'Save the workbook to disk in xlsx format 'Add an image to the center of a cell using template markersĭim marker As ITemplateMarkersProcessor = workbook.CreateTemplateMarkersProcessor()ĭim imageStream As FileStream = New FileStream("././Data/Logo.png", FileMode.Open, FileAccess.ReadWrite)ĭim reports As IList(Of Report) = GetSalesReports(imageStream) Worksheet("A1").Text = "%Reports.Image position:middle-center" 'Set a marker to the worksheet to import an image with center alignment. Using excelEngine As ExcelEngine = New ExcelEngine()ĭim application As IApplication = excelEngine.ExcelĪpplication.DefaultVersion = ExcelVersion.Excel2016ĭim workbook As IWorkbook = (1)ĭim worksheet As IWorksheet = workbook.Worksheets(0)