PdfIntegrationProvider Class

public abstract class PdfIntegrationProvider

Public MustInherit Class PdfIntegrationProvider

using System;
using System.Web;

using RadPdf.Data.Document.Objects.Shapes;
using RadPdf.Integration;

public class CustomPdfIntegrationProvider : PdfIntegrationProvider
{
    public override void OnObjectDataAdding(ObjectDataAddingEventArgs e)
    {
        base.OnObjectDataAdding(e);

        //if data is added to an image
        if (e.PdfObjectType == typeof(PdfImageShape))
        {
            //check image size (if larger than 1 MB)
            if (e.Data.Length > 0x100000)
            {
                e.Cancel = true;
                e.CancelMessage = "Maximum image size is 1 MB.";
            }
        }
        else
        {
            throw new ArgumentException("PdfObjectType unsupported.");
        }
    }
}

<?xml version="1.0"?>
<configuration>
  <appSettings>
    <add key="RadPdfConnectionString" value="Server=.\SQLExpress;Database=RadPdf;Trusted_Connection=Yes;"/>
    <add key="RadPdfLicenseKey" value="DEMO"/>
    <add key="RadPdfIntegrationProvider" value="CustomPdfIntegrationProvider,App_Code"/>
  </appSettings>
  <system.web>
    <httpHandlers>
      <add path="RadPdf.axd" verb="GET,POST" type="RadPdf.Web.HttpHandler.PdfHttpHandler"/>
    </httpHandlers>
  </system.web>
  <!--
    The system.webServer element is for use with IIS 7 (and later) when Managed Pipeline Mode is set to "Integrated".
    It will be ignored in other versions of IIS.
    -->
  <system.webServer>
    <validation validateIntegratedModeConfiguration="false"/>
    <handlers>
      <add path="RadPdf.axd" verb="GET,POST" name="PdfHttpHandler" preCondition="integratedMode" type="RadPdf.Web.HttpHandler.PdfHttpHandler"/>
    </handlers>
  </system.webServer>
</configuration>