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Code Samples - Neevia PDFstamp

Example 3: Stamp a PDF file with an image watermark - C# Copy 

Add a reference in your Visual Studio project to PDFstampNET assembly.
To do this:
        a. On the Project menu, click Add Reference;
        b. On the .NET tab, locate PDFstampNET and then click Select;
        c. Click OK in the Add References dialog box to accept your selections. 
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   PDFstamp.Neevia NVstamp = new PDFstamp.Neevia();

   int indx = NVstamp.CreateNewStamp();
   NVstamp.get_Stamps(indx).StampType = 2;
   NVstamp.get_Stamps(indx).Name = "Stamp1";
   NVstamp.get_Stamps(indx).ImageFile = @"c:\stamp.jpg";
   NVstamp.get_Stamps(indx).X = "center";
   NVstamp.get_Stamps(indx).Y = "center";
   NVstamp.get_Stamps(indx).PlaceAs = 1;

   int retVal;
   retVal = NVstamp.StampPDF(@"c:\in.pdf", @"c:\out.pdf");

   if (retVal != 0)
   {
       MessageBox.Show("Error code = " + retVal.ToString());
   }
   else
   {
       MessageBox.Show("Done");
   }