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Technical support > Neevia Document Converter Pro code samples
Example 18: Watermark an existing PDF file from ASP.NET  Print Example 
  • Copy the Document Converter Pro .NET assembly from the c:\program files\neevia.com\docConverterPro\.Net\ folder into your web site bin folder;
Note: Scroll down for the C# samples.

Visual Basic
<SCRIPT runat="server" language="VB">

  Sub Page_Load(Source As Object, e As EventArgs)

    Dim DC As New Neevia.docConverter

    DC.setParameter( "StampMessage", "Page {p} of {P}" )

    DC.setParameter( "StampRotate", "0" )
    DC.setParameter( "StampX", "100" )
    DC.setParameter( "StampY", "100" )
    DC.setParameter( "StampFontName", "Helvetica" )
    DC.setParameter( "StampFontSize", "14" )
    DC.setParameter( "StampFontColor", "$000000" )

    ' place the watermark as stamp (over the page content)
    DC.setParameter( "Watermark", "false" )
  
    DC.setParameter( "PlaceStampOnPages", "0" )

    Dim RVal As Integer = DC.stampPDF("c:\in.pdf", "c:\out.pdf")

    DC = Nothing

    If RVal=0 Then
      Response.Write("Done stamping!!!")
    Else
      Response.Write("Error stamping!!! RVal="& RVal.ToString())
    End If

  End Sub

</SCRIPT>
VC#
<%@ Page Language="C#" %>
<%@ Assembly Name = "docConverter" %>
<%@ Import Namespace = "Neevia" %>
<SCRIPT runat="server">

  void Page_Load(object Source, EventArgs e)
  {
    Neevia.docConverter DC = new Neevia.docConverter();

    DC.setParameter( "StampMessage", "Page {p} of {P}" );

    DC.setParameter( "StampRotate", "0" );
    DC.setParameter( "StampX", "100" );
    DC.setParameter( "StampY", "100" );
    DC.setParameter( "StampFontName", "Helvetica" );
    DC.setParameter( "StampFontSize", "14" );
    DC.setParameter( "StampFontColor", "$000000" );

    // place the watermark as stamp (over the page content)
    DC.setParameter( "Watermark", "false" );

    DC.setParameter( "PlaceStampOnPages", "0" );

    int RVal = DC.stampPDF(@"c:\in.pdf", @"c:\out.pdf");
    DC = null;

    if (RVal == 0) {
      Response.Write("Done !!!");
    }else{
      Response.Write("Error stamping!!! RVal"+ RVal.ToString());
    }

  }

</SCRIPT>



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