private void panel2_MouseDown(object sender, MouseEventArgs e)
        {
            offset.X = e.X;
            offset.Y = e.Y;
            mouseDown = true;
        }

        private void panel2_MouseMove(object sender, MouseEventArgs e)
        {
            if (mouseDown == true)
            {
                Point currentScreenPos = PointToScreen(e.Location);
                Location = new Point(currentScreenPos.X - offset.X, currentScreenPos.Y - offset.Y);
            }

        }

        private void panel2_MouseUp(object sender, MouseEventArgs e)
        {
            mouseDown = false;
        }

        private void panel1_Paint(object sender, PaintEventArgs e)
        {

        }

        private void label1_MouseDown(object sender, MouseEventArgs e)
        {
            offset.X = e.X;
            offset.Y = e.Y;
            mouseDown = true;
        }

        private void label1_MouseMove(object sender, MouseEventArgs e)
        {
            if (mouseDown == true)
            {
                Point currentScreenPos = PointToScreen(e.Location);
                Location = new Point(currentScreenPos.X - offset.X, currentScreenPos.Y - offset.Y);
            }
        }

        private void label1_MouseUp(object sender, MouseEventArgs e)
        {
            mouseDown = false;
        }