【c# winform】devexpress treeList右键菜单添加按钮

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所属分类:.NET技术
摘要

本文提供俩种不需要手动添加编辑控件方法。方法一:创建新的右键菜单添加“执行选择”按钮,且抑制TreeList自带菜单
结果展示:

本文提供俩种不需要手动添加编辑控件方法。

方法一:创建新的右键菜单添加“执行选择”按钮,且抑制TreeList自带菜单
结果展示:

【c# winform】devexpress treeList右键菜单添加按钮

 代码: 

private void Form1_Load(object sender, EventArgs e) {   CreateBarButtonItem(); }  private void CreateBarButtonItem() {    // 创建右键菜单   ContextMenuStrip contextMenuStrip = new ContextMenuStrip();   // 添加 "执行选择" 菜单项   ToolStripMenuItem execSelectedItem = new ToolStripMenuItem("执行选择");   execSelectedItem.Click += ExecSelectedItem_Click; ;   contextMenuStrip.Items.Add(execSelectedItem);   // 关联右键菜单与 TreeList 控件   treeList1.PopupMenuShowing += TreeList1_PopupMenuShowing; }   private void TreeList1_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e)  {      // 禁用自带的右键菜单      e.Allow = false;  }  private void ExecSelectedItem_Click(object sender, EventArgs e) {   //处理“执行选择”事件逻辑 } 

方法二:在TreeList自带菜单基础上添加“执行选择”按钮

结果展示: 

【c# winform】devexpress treeList右键菜单添加按钮

 右键空节点 

【c# winform】devexpress treeList右键菜单添加按钮

 右键节点,保留自带菜单功能  

【c# winform】devexpress treeList右键菜单添加按钮

 右键列标题,保留自带菜单功能‍  

代码: 

private void Form1_Load(object sender, EventArgs e) {   treeList1.PopupMenuShowing += TreeList1_PopupMenuShowing;//自定义右键展示菜单 }  private void TreeList1_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e) {   // 获取右键菜单   if (e.Menu is TreeListMenu menu)   {     // 添加自定义按钮     DXMenuItem execSelectedItem = new DXMenuItem("执行选择");     execSelectedItem.Click += ExecSelectedItem_Click;     // 将自定义按钮插入到菜单的末尾     menu.Items.Add(execSelectedItem);   } }  private void ExecSelectedItem_Click(object sender, EventArgs e) {   //处理“执行选择”事件逻辑 }