Перетаскивание панели

bool isDragging = false;
        int currentX, currentY;
panel1.MouseDown+=new MouseEventHandler(panel1_MouseDown);
            panel1.MouseMove+=new MouseEventHandler(panel1_MouseMove);
            panel1.MouseUp+=new MouseEventHandler(panel1_MouseUp);
        private void panel1_MouseDown(object sender, System.Windows.Forms.MouseEventArgs e)
        {            
            if (e.Button == MouseButtons.Left)
            {
                isDragging = true;
                currentX = e.X;
                currentY = e.Y;
            }
        }
        private void panel1_MouseMove(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            if (isDragging)
            {
                panel1.Top = panel1.Top + (e.Y - currentY);
                panel1.Left = panel1.Left + (e.X - currentX);
            }
        }
        private void panel1_MouseUp(object sender, System.Windows.Forms.MouseEventArgs e)
        {
 
            if (e.Button == MouseButtons.Left)
            {
                isDragging = false;
            }
        }

Properties.Settings.Default.Параметр = значение;
                        Properties.Settings.Default.Save();

bool MouseState = false;
        Point PrevMousePos;
        private void panel1_MouseDown(object sender, MouseEventArgs e)
        {
            PrevMousePos = new Point(e.X, e.Y);
            if (e.Button == MouseButtons.Left) { this.MouseState = true; } 
        }
        private void panel1_MouseMove(object sender, MouseEventArgs e)
        {
            if (this.MouseState)
            {
                int dx = e.X -PrevMousePos.X;
                int dy = e.Y - PrevMousePos.Y;
                panel1.Location = new Point(panel1.Location.X + dx, panel1.Location.Y + dy);
            }
        }
        private void panel1_MouseUp(object sender, MouseEventArgs e)
        { if (e.Button == MouseButtons.Left) { this.MouseState = false; } }