C# winform Panel自定义移动窗口

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 　　　　#region 移动窗口
        [DllImport("user32.DLL", EntryPoint = "ReleaseCapture")]
        private extern static void ReleaseCapture();

        [DllImport("user32.DLL", EntryPoint = "SendMessage")]
        private extern static void SendMessage(System.IntPtr hWnd, int wMsg, int wParam, int lParam);
　　

　　　　　//Panel控件,鼠标点击时移动窗口位置
        private void PanelTitle_MouseDown(object sender, MouseEventArgs e)
        {
            ReleaseCapture();
            SendMessage(this.Handle, 0x112, 0xf012, 0);
        }
        #endregion

　　

 　　　　#region 托盘双击事件,显示出窗体
        private void notifyIcon1_DoubleClick(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Minimized)
            {
                this.Show();
                this.WindowState = FormWindowState.Normal;
                this.notifyIcon1.Visible = true;
                this.ShowInTaskbar = true;
            }
        }
        #endregion

　　

  　　　　#region 退出窗体事件
        private void BtnClose_Click(object sender, EventArgs e)
        {
            if (MessageBox.Show("确定是否退出软件?", "警告", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) ==
                DialogResult.OK)
            {
                this.Dispose();
                System.Environment.Exit(System.Environment.ExitCode);
            }

        }
        #endregion

　　

 　　　　#region 窗体最小化事件
        private void BtnMin_Click(object sender, EventArgs e)
        {
            if (this.WindowState == FormWindowState.Normal)
            {
                this.Hide();
                this.ShowInTaskbar = true;
                this.notifyIcon1.Visible = true;
                this.WindowState = FormWindowState.Minimized;
            }
        }
        #endregion

　　

      #region BtnOpenFile按钮事件
        private void BtnOpenFile_Click(object sender, EventArgs e)
        {
            if (this.folderBrowserDialog1.ShowDialog() == DialogResult.OK)
            {
                TxtfoldPath.Text = this.folderBrowserDialog1.SelectedPath;
            }
        }

　　　　　//鼠标悬停时提示文字信息
        private void BtnOpenFile_MouseEnter(object sender, EventArgs e)
        {
            ToolTip p = new ToolTip();
            p.ShowAlways = true;    //是否在鼠标悬浮时提示消息
            p.SetToolTip(this.BtnOpenFile, "请选择存放目录");
        }
        #endregion

　　

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