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Form1.cs
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Form1.cs
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using DevExpress.XtraTreeList;
using DevExpress.XtraTreeList.Nodes;
using DevExpress.XtraTreeList.Menu;
namespace NodeContextMenu {
public partial class Form1 : Form {
public Form1() {
InitializeComponent();
InitTreeList();
}
void InitTreeList() {
new DevExpress.XtraTreeList.Design.XViews(treeList1);
for(int i = 1; i < treeList1.Columns.Count; i++)
treeList1.Columns[i].Visible = false;
}
private void bbEdit_ItemClick(object sender, EventArgs e) {
treeList1.OptionsBehavior.Editable = !treeList1.OptionsBehavior.Editable;
treeList1.ShowEditor();
}
private void bbAddChild_ItemClick(object sender, EventArgs e) {
TreeListNode newNode = treeList1.AppendNode(null, treeList1.FocusedNode);
newNode.SetValue(0, "New Node");
treeList1.OptionsBehavior.Editable = !treeList1.OptionsBehavior.Editable;
treeList1.ShowEditor();
}
private void bbDelete_ItemClick(object sender, EventArgs e) {
treeList1.DeleteNode(treeList1.FocusedNode);
}
private void treeList1_HiddenEditor(object sender, System.EventArgs e) {
treeList1.OptionsBehavior.Editable = false;
}
private void treeList1_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e) {
if(e.Menu is TreeListNodeMenu) {
treeList1.FocusedNode = ((TreeListNodeMenu)e.Menu).Node;
e.Menu.Items.Add(new DevExpress.Utils.Menu.DXMenuItem("Edit", bbEdit_ItemClick));
e.Menu.Items.Add(new DevExpress.Utils.Menu.DXMenuItem("Add child", bbAddChild_ItemClick));
e.Menu.Items.Add(new DevExpress.Utils.Menu.DXMenuItem("Delete", bbDelete_ItemClick));
}
}
}
}