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Code Samples - Neevia PDFstamp

Example 2: Stamp a PDF file with a multiline text 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 = 1;
   NVstamp.get_Stamps(indx).Name = "Stamp1";
   NVstamp.get_Stamps(indx).Text = "LINE1%n%LINE2%n%LINE3";
   NVstamp.get_Stamps(indx).FontName = "Arial";
   NVstamp.get_Stamps(indx).TextRenderingMode = 0;
   NVstamp.get_Stamps(indx).TextColor = "#FF0000";
   NVstamp.get_Stamps(indx).X = "0";
   NVstamp.get_Stamps(indx).Y = "0";
   NVstamp.get_Stamps(indx).Width = "200";
   NVstamp.get_Stamps(indx).Height = "200";
   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");
   }