C#

private void Run()
{
    ArkClass.running = true;
    channel = new HttpServerChannel(1111);
    ChannelServices.RegisterChannel(channel, false);
    RemotingConfiguration.RegisterWellKnownServiceType(typeof(ArkClass),
        "ArkClass", WellKnownObjectMode.Singleton);
}
private void btnRun_Click(object sender, EventArgs e)
{
    try
    {
        Run();
        MessageBox.Show("Server is Running", "Info", MessageBoxButtons.OK,MessageBoxIcon.Information);
        btnRun.Enabled = false;
        btnShutdown.Enabled = true;
    }
    catch (Exception ex)
    {
        MessageBox.Show("An error has occured", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
        Console.WriteLine(ex.Message);
    }
}
private void btnShutdown_Click(object sender, EventArgs e)
{
    MessageBox.Show("Server is shutting down", "Info", MessageBoxButtons.OK, MessageBoxIcon.Information);
    btnRun.Enabled = true;
    btnShutdown.Enabled = false;
    ArkClass.running = false;
}

FileSystemWatcher fsw = new FileSystemWatcher();
fsw.Created += new FileSystemEventHandler(fsw_Created);
fsw.Path = @"C:\Incoming";
fsw.IncludeSubdirectories = false;
fsw.EnableRaisingEvents = true;

static void fsw_Created(object sender, FileSystemEventArgs e)
        {
            while (!FileReady.isFileReady(e.FullPath))
            {
                // LogEvents.LogEvent("File not ready.  Waiting 2 seconds...", EventLogEntryType.Warning);
                Thread.Sleep(2000);
            }
        // Other file processing code goes here...
        }