Imports System
Imports System.Diagnostics
Imports System.ComponentModel


Namespace MyProcessSample
    _
   '/ <summary>
   '/ Shell for the sample.
   '/ </summary>
   Class MyProcess
      ' These are the Win32 error code for file not found or access denied.
      Private ERROR_FILE_NOT_FOUND As Integer = 2
      Private ERROR_ACCESS_DENIED As Integer = 5


      '/ <summary>
      '/ Prints a file with a .doc extension.
      '/ </summary>
      Sub PrintDoc()
         Dim myProcess As New Process()

         Try
            ' Get the path that stores user documents.
            Dim myDocumentsPath As String = Environment.GetFolderPath(Environment.SpecialFolder.Personal)

            myProcess.StartInfo.FileName = myDocumentsPath + "\MyFile.doc"
            myProcess.StartInfo.Verb = "Print"
            myProcess.StartInfo.CreateNoWindow = True
            myProcess.Start()
         Catch e As Win32Exception
            If e.NativeErrorCode = ERROR_FILE_NOT_FOUND Then
               Console.WriteLine((e.Message + ". Check the path."))

            Else
               If e.NativeErrorCode = ERROR_ACCESS_DENIED Then
                  ' Note that if your word processor might generate exceptions
                  ' such as this, which are handled first.
                  Console.WriteLine((e.Message + ". You do not have permission to print this file."))
               End If
            End If
         End Try
      End Sub 'PrintDoc


      Public Shared Sub Main()
         Dim myProcess As New MyProcess()
         myProcess.PrintDoc()
      End Sub 'Main
   End Class 'MyProcess
End Namespace 'MyProcessSample

using System;
using System.Diagnostics;
using System.ComponentModel;

namespace MyProcessSample
{
    /// <summary>
    /// Shell for the sample.
    /// </summary>
    class MyProcess
    {
        // These are the Win32 error code for file not found or access denied.
        const int ERROR_FILE_NOT_FOUND =2;
        const int ERROR_ACCESS_DENIED = 5;

        /// <summary>
        /// Prints a file with a .doc extension.
        /// </summary>
        void PrintDoc()
        {
            Process myProcess = new Process();
            
            try
            {
                // Get the path that stores user documents.
                string myDocumentsPath = 
                    Environment.GetFolderPath(Environment.SpecialFolder.Personal);

                myProcess.StartInfo.FileName = myDocumentsPath + "\\MyFile.doc"; 
                myProcess.StartInfo.Verb = "Print";
                myProcess.StartInfo.CreateNoWindow = true;
                myProcess.Start();
            }
            catch (Win32Exception e)
            {
                if(e.NativeErrorCode == ERROR_FILE_NOT_FOUND)
                {
                    Console.WriteLine(e.Message + ". Check the path.");
                } 

                else if (e.NativeErrorCode == ERROR_ACCESS_DENIED)
                {
                    // Note that if your word processor might generate exceptions
                    // such as this, which are handled first.
                    Console.WriteLine(e.Message + 
                        ". You do not have permission to print this file.");
                }
            }
        }


        public static void Main()
        {
            MyProcess myProcess = new MyProcess();
            myProcess.PrintDoc();
        }
    }
}

#using <System.dll>

using namespace System;
using namespace System::Diagnostics;
using namespace System::ComponentModel;

// These are the Win32 error code for file not found or access denied.
#define ERROR_FILE_NOT_FOUND 2
#define ERROR_ACCESS_DENIED  5
int main()
{
   Process^ myProcess = gcnew Process;
   try
   {

      // Get the path that stores user documents.
      String^ myDocumentsPath = Environment::GetFolderPath( Environment::SpecialFolder::Personal );
      myProcess->StartInfo->FileName = String::Concat( myDocumentsPath, "\\MyFile.doc" );
      myProcess->StartInfo->Verb = "Print";
      myProcess->StartInfo->CreateNoWindow = true;
      myProcess->Start();
   }
   catch ( Win32Exception^ e ) 
   {
      if ( e->NativeErrorCode == ERROR_FILE_NOT_FOUND )
      {
         Console::WriteLine( "{0}. Check the path.", e->Message );
      }
      else
      if ( e->NativeErrorCode == ERROR_ACCESS_DENIED )
      {

         // Note that if your word processor might generate exceptions
         // such as this, which are handled first.
         Console::WriteLine( "{0}. You do not have permission to print this file.", e->Message );
      }
   }

}