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PDF Printer Driver, Convert to PDF, Print to PDF
Example 1: Sign a PDF file with an invisible signature (ASP.NET)  
Copy the PDFsign .NET assembly from the c:\program files\neeviaPDF.com\PDFsign\dotNet\ folder into your web site bin folder;
signVB.aspx (VB.NET):
  <%@ Page Language="VB" %>
  <HTML>
  <HEAD>
     <SCRIPT runat="server">
        Sub Button1_OnClick(Source As Object, e As EventArgs)
   	  Dim NVsign As new Neevia.PDFsign

	  NVsign.CertificateSubject = "Test certificate"
	  NVsign.CertificatePassword = "password"

	  NVsign.Reason = "I am the creator of this document"

	  NVsign.Invisible = true

	  Dim retVal
   	  retVal = NVsign.SignPDF("c:\in.pdf", "c:\out.pdf")
	  If retVal <> 0 Then
  	    Response.Write("Error code=" & CStr(retVal))
	  Else
	    Response.Write("Done")
	  End If
        End Sub
     </SCRIPT>
   </HEAD>
   <BODY><CENTER>
     <FORM id="Form1" enctype="multipart/form-data" method="post" runat="server">
     <INPUT id="Submit1" type="submit" value="Sign file" 
       OnServerClick="Button1_OnClick" name="Submit1" runat="server">
     </FORM>
   </BODY>
   </HTML>
signCsharp.aspx (C#):
<%@ Page Language="C#" %>
<HTML>
<HEAD>
   <SCRIPT runat="server">
      void Button1_OnClick(object Source, EventArgs e)
      {
	  Neevia.PDFsign NVsign = new Neevia.PDFsign();
	  int retVal;

	  NVsign.CertificateSubject = "Test certificate";
	  NVsign.CertificatePassword = "password";

	  NVsign.Reason = "I am the creator of this document";

	  NVsign.Invisible = true;

	  retVal = NVsign.SignPDF(@"c:\in.pdf",@"c:\out.pdf");
	  if (retVal != 0) {
	    Response.Write("Error code = " + retVal.ToString());
	  } else {
	    Response.Write("Done");
	  }

      }
   </SCRIPT>
</HEAD>
<BODY><CENTER>
<FORM id="Form1" enctype="multipart/form-data" method="post" 
runat="server">
<INPUT id="Submit1" type="submit" value="Sign file"
OnServerClick="Button1_OnClick" name="Submit1" runat="server">
</FORM>
</BODY>
</HTML>

I find PDFresize to be an easy application to use especially when resizing batches of PDF files from separate folders. Thank you also for providing fast and effective customer support!

Bruno Verbeck

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