// This code demonstrates loading a PDF document from file  
public void LoadFromFile( PdfXpress pdfxpress , String filename , String password )
    {
      Document document = null ;
      try
      {  
         pdfxpress.Licensing.LicenseEdition  = LicenseChoice.ReaderEdition ;
         OpenOptions options                 = new OpenOptions( ) ;
         options.Filename                    = filename ;
         options.Password                    = password ;
         options.Repair                      = false ;
         document                            = new Document( pdfxpress , options ) ;
      }
      catch (PdfXpressNotIntializedException) { } // Initialize PDF Xpress before using this feature
      catch ( PdfXpressLicensingException )   { } // PDF Xpress is not licensed for this feature            
      catch ( DamagedFileException )          { } // PDF is damaged; try enabling OpenOptions.Repair
      catch ( InvalidPasswordException )      { } // The supplied password does not open the PDF document
      catch ( PdfXpressLibraryException )     { } // A problem was encountered attempting to open the PDF document
      catch ( PdfXpressException )            { } // A problem was encountered
      finally
        {
         if ( null != document )
          {
             document.Dispose( ) ;           // Close the PDF document
          }        
        }
    }