BF2Statistics.HostsFileTestForm.RefreshBtn_Click C# (CSharp) Method

        private async void RefreshBtn_Click(object sender, EventArgs e)
        {
            // Disable refresh spam
            RefreshBtn.Enabled = false;

            // Call Cancel Token
            if (ServiceTask.Status == TaskStatus.Running)
            {
                TaskSource.Cancel();

                // Wait for cancel to kick in
                await ServiceTask;
            }

            // Dispose Task, and disable form actions
            ServiceTask.Dispose();
            this.Enabled = false;

            // Reset the controls on this form to default
            while (Controls.Count > 0)
                Controls[0].Dispose();

            // Redraw default controls
            InitializeComponent();

            // Enable this form
            this.Enabled = true;

            // Create new
            TaskSource = new CancellationTokenSource();
            ServiceTask = new Task(VerifyDnsCache, TaskSource.Token);
            ServiceTask.Start();
        }