Automated PDF Conversion using the PDF995 and FreePDF_XP Freeware Printers

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.IO;

namespace CPDFPrinter
{
    //we want an abstract base class
    abstract class CPrinter
    {
        protected String _strFileToPrint = "";

        protected String strFileToPrint
        {
            get { return _strFileToPrint; }
            set {_strFileToPrint = value; }
        }

        //save original settings
        protected abstract void pushSettings();
        //restore original settings
        protected abstract void popSettings();
        //start printing process
        protected void printFile()
        {
            //Define properties for the print process
            ProcessStartInfo procStartInfo = null;

            if (File.Exists(_strFileToPrint))
            {
                procStartInfo = new ProcessStartInfo();
                procStartInfo.FileName = _strFileToPrint;
                procStartInfo.Verb = "Print";

                //Make process invisible
                procStartInfo.CreateNoWindow = true;
                procStartInfo.WindowStyle = ProcessWindowStyle.Hidden;

                //start print process for the file with/from the associated application
                System.Diagnostics.Process procPrint = Process.Start(procStartInfo);
                //give the system some time
                System.Threading.Thread.Sleep(2500);

                if (procPrint.Handle != System.IntPtr.Zero)
                {
                    procPrint.WaitForExit();
                }

            }
        }
    }
}