RPS.Screensaver.MouseMove C# (CSharp) Method

        public void MouseMove(object sender, MouseEventArgs e) {
            if (this.config.Visible) {
                this.resetMouseMove();
            } else {
                if (this.mouseX != e.X && this.mouseY != e.Y && this.mouseX != -1 && this.mouseY != -1) {
                    Cursor.Show();
                    this.mouseMoveTimer.Stop();
                    this.mouseMoveTimer.Start();
                    this.mouseMoveTimer.Enabled = true;
                }
                if (this.mouseX == -1) this.mouseX = e.X;
                if (this.mouseY == -1) this.mouseY = e.Y;
                int sensitivity = 0;
                switch (this.config.getPersistantString("mouseSensitivity")) {
                    case "high":
                        sensitivity = 0;
                    break;
                    case "medium":
                        sensitivity = 10;
                    break;
                    case "low":
                        sensitivity = 50;
                    break;
                    case "none":
                        this.mouseX = e.X;
                        this.mouseY = e.Y;
                    break;
                }
                if (e.X > (this.mouseX + sensitivity) || e.X < (this.mouseX - sensitivity) ||
                    e.Y > (this.mouseY + sensitivity) || e.Y < (this.mouseY - sensitivity)) {
                        this.OnExit();
                }
                this.mouseX = e.X;
                this.mouseY = e.Y;
            }
        }