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GetThumbnail() not working

#1 






Presentation pres = new Presentation(Server.MapPath(".") + "/test.ppt");
 
foreach (Slide s in pres.Slides) 
{
 System.Drawing.Image img = s.GetThumbnail(2,2);
 string strSavePath = Server.MapPath(".") + "\\slide" + s.SlidePosition.ToString() + ".jpg";
 img.Save(strSavePath, img.RawFormat);
 GC.Collect();
}

 		



on the img.Save() line, I keep getting "A generic GDI+ error has occured." Any ideas as to how to fix this?

      


      

      

         
         
         
       


       

          
          
        



  

  

      

        

        
            
            
        #2
        
      

      

        
Dear Michael,
 
 Google has some solutions…
 1. Image.Save is not thread safe.
 2. Try to cast Image to Bitmap and after that save it.