Максимальный размер файла в uploadFile windows service c#

private void UploadFile(string filename)

{

    try

    {

        // get the exact file name from the path

        String strFile = System.IO.Path.GetFileName(filename);

 

        // create an instance fo the web service

        TestUploader.Uploader.FileUploader srv = new

        TestUploader.Uploader.FileUploader();

 

        // get the file information form the selected file

        FileInfo fInfo = new FileInfo(filename);


        long numBytes = fInfo.Length;

        double dLen = Convert.ToDouble(fInfo.Length / 1000000);
 
        if (dLen < 4)

        {

            // set up a file stream and binary reader for the

            // selected file

            FileStream fStream = new FileStream(filename,

            FileMode.Open, FileAccess.Read);

            BinaryReader br = new BinaryReader(fStream);

 

            // convert the file to a byte array

            byte[] data = br.ReadBytes((int)numBytes);

            br.Close();

 

            // pass the byte array (file) and file name to the web service

            string sTmp = srv.UploadFile(data, strFile);

            fStream.Close();

            fStream.Dispose();

 

            // this will always say OK unless an error occurs,

            // if an error occurs, the service returns the error message

            MessageBox.Show("File Upload Status: " + sTmp, "File Upload");

        }

        else

        {

             // Display message if the file was too large to upload

             MessageBox.Show("The file selected exceeds the size limit for uploads.", "File Size");

         }

    }

    catch (Exception ex)

    {

         // display an error message to the user

         MessageBox.Show(ex.Message.ToString(), "Upload Error");

    }

}