CamTimer.NotifyForm.CountdownTimerSetup C# (CSharp) Method

        private void CountdownTimerSetup()
        {
            if (m_countdownTimer == null) {
                Rectangle screenBounds = System.Windows.Forms.Screen.PrimaryScreen.Bounds;

                m_countdownTimer = new Thread((ThreadStart)delegate() {
                    int x = 0;
                    while (true) {
                        if (!Visible) {
                            break;
                        } else if (Bounds.Contains(Cursor.Position)) {
                            x = 0;
                            Thread.Sleep(1000);
                        } else if (x < 5) {
                            x++;
                            Thread.Sleep(1000);
                        } else {
                            break;
                        }
                    }

                    int startMSec = System.Environment.TickCount;
                    while (true) {
                        int elapsedMSec = System.Environment.TickCount - startMSec;
                        double percentRemaining = 1 - (Math.Min(elapsedMSec, s_animationDurationMSec) / (double)s_animationDurationMSec);
                        int newLeft = (int)(Math.Min(percentRemaining * percentRemaining * percentRemaining, 1) * Width);
                        try {
                            Invoke((MethodInvoker)delegate() {
                                Left = screenBounds.Right - newLeft;
                            });
                        } catch (Exception) { }
                        if (elapsedMSec >= s_animationDurationMSec) {
                            break;
                        }

                        Thread.Sleep((int)(1000 / 33d));	// 33 fps
                    }

                    m_countdownTimer = null;
                    try {
                        Invoke((MethodInvoker)delegate() {
                            Close();
                        });
                    } catch (Exception) { }
                });
                m_countdownTimer.Start();
            }
        }