How to set background image for a table cell

//Create an instance of PowerPoint Presentation 
IPresentation presentation = Presentation.Create();
//Add a blank slide to the presentation.
ISlide slide = presentation.Slides.Add(SlideLayoutType.Blank);
//Add a table with 4 rows and 4 columns with specified size.
ITable table = slide.Tables.AddTable(4, 4, 50, 50, 500, 400);
//Get an image instance from file.
Syncfusion.Drawing.Image image = Syncfusion.Drawing.Image.FromFile("BackgroundImage.png");
//Get the instance of first cell from first row.
ICell cell = table.Rows[0].Cells[0] as ICell;
//Set fill type as Picture.
cell.Fill.FillType = FillType.Picture;
//Set image for picture fill image.
cell.Fill.PictureFill.ImageBytes = image.ImageData;
//Save presentation with specified file name.
presentation.Save("Table.pptx");
//Start the presentation
Process.Start("Table.pptx");