public ActionResult PPTXToImage(string Browser)
{
Stream readFile = new FileStream(ResolveApplicationDataPath(@"Syncfusion Presentation.pptx"), FileMode.Open, FileAccess.Read, FileShare.Read);
IPresentation presentation = Presentation.Open(readFile);
presentation.ChartToImageConverter = new ChartToImageConverter();
presentation.ChartToImageConverter.ScalingMode = Syncfusion.OfficeChart.ScalingMode.Best;
ISlide slide = presentation.Slides[0];
//Converts slide to image
using (Image image = Image.FromStream(slide.ConvertToImage(Syncfusion.Drawing.ImageFormat.Png)))
{
ExportAsImage(image, "PPTXToImage_1.png", ImageFormat.Png, HttpContext.ApplicationInstance.Response);
}
return(View());
}