bool m_isMouseDown = false; //窗体是否移动

        Point m_mousePos; //记录窗体的位置

        /// <summary>

        /// 鼠标按下，开启移动

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void panelTitle_MouseDown(object sender, MouseEventArgs e)

        {

            m_mousePos = Cursor.Position;

            m_isMouseDown = true;

        }

        /// <summary>

        /// 窗体鼠标移动

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void panelTitle_MouseMove(object sender, MouseEventArgs e)

        {

            if (m_isMouseDown)

            {

                Point tempPos = Cursor.Position;

                this.Location = new Point(Location.X + (tempPos.X - m_mousePos.X), Location.Y + (tempPos.Y - m_mousePos.Y));

                m_mousePos = Cursor.Position;

            }

        }

        /// <summary>

        /// 鼠标抬起，关闭移动

        /// </summary>

        /// <param name="sender"></param>

        /// <param name="e"></param>

        private void panelTitle_MouseUp(object sender, MouseEventArgs e)

        {

            m_isMouseDown = false;

            this.Focus();

        }