Exportar componente

using System;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Windows;

namespace Haiser.Classes.Utilidades
{
    public static class FileExport
    {
        public static void ExportarFormulario()
        {
            try
            {
                string finalpath = (System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "\\PlanillaSolicitudEnap.xls");
                FileInfo file = new FileInfo(finalpath);

                if (IsFileinUse(file))
                {
                    throw new IOException("El archivo parece estar siendo utilizado por otra aplicación, verifique que no tiene abierto el formulario 'PlanillaSolicitudEnap.xls'");
                }

                /////

                if (File.Exists(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "\\PlanillaSolicitudEnap.xls"))
                {
                    File.Delete(System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "\\PlanillaSolicitudEnap.xls");
                }

                using (Stream input = Assembly.GetExecutingAssembly().GetManifestResourceStream("Haiser.PlanillaSolicitudEnap.xls"))
                using (Stream output = File.Create("PlanillaSolicitudEnap.xls"))
                {
                    CopyStream(input, output);
                }
                string _in = (AppDomain.CurrentDomain.BaseDirectory + "PlanillaSolicitudEnap.xls");
                string _out = (System.Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory) + "\\PlanillaSolicitudEnap.xls");
                File.Move(_in, _out);

                if(MessageBox.Show("El formulario ha sido descargado a su Escritorio\nPor favor complételo antes de continuar", "Información", MessageBoxButton.OK, MessageBoxImage.Information) == MessageBoxResult.OK)
                {
                    Process.Start(_out);
                }
            }
            catch(IOException ex)
            {
                MessageBox.Show(ex.Message, "Error de procedimiento", MessageBoxButton.OK, MessageBoxImage.Warning);
            }
            catch (Exception)
            {
                //MessageBox.Show(ex.ToString() + ", por favor comuníquese con el autor para resolverlo", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        private static void CopyStream(Stream input, Stream output)
        {
            if(input == null)
            {
                throw new Exception("Error de salida");
            }

            // Insert null checking here for production
            byte[] buffer = new byte[8192];
            int bytesRead;
            while ((bytesRead = input.Read(buffer, 0, buffer.Length)) > 0)
            {
                output.Write(buffer, 0, bytesRead);
            }
        }

        private static bool IsFileinUse(FileInfo file)
        {
            FileStream stream = null;

            try
            {
                stream = file.Open(FileMode.Open, FileAccess.ReadWrite, FileShare.None);
            }
            catch (IOException)
            {
                //the file is unavailable because it is:
                //still being written to
                //or being processed by another thread
                //or does not exist (has already been processed)
                return true;
            }
            finally
            {
                if (stream != null)
                    stream.Close();
            }
            return false;
        }
    }
}