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Example 1: Compress a PDF file (high image quality, low compression) (VC#)  

Note: Add a reference in your project to PDFcompressNET
To do this:
   a. On the Project menu, click Add Reference;
   b. On the .NET tab, locate PDFcompressNET and then click Select;
   c. Click OK in the Add References dialog box to accept your selections.
          PDFcompress.Neevia NVcomp = new PDFcompress.Neevia();
          int retVal;

          NVcomp.CI = "jpx";
          NVcomp.CQ = 75;

          NVcomp.GI = "jpx";
          NVcomp.GQ = 75;

          NVcomp.MI = "jbig2l";
          NVcomp.MQ = 5;

          // For better compression uncomment the line below
          // NVcomp.CreateObjectStreams = true;

          retVal = NVcomp.CompressPDF(@"c:\in.pdf", @"c:\out.pdf");
          if (retVal != 0)
          {
              MessageBox.Show("Error code = " + retVal.ToString());
          }
          else
          {
              MessageBox.Show("Done");
          }

We use the ActiveX component that comes with PDFmerge/split to manipulate large volumes of PDF files. Great product and accurate customer support!!!

David Cogney

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