C# winform treeview的子节点中可以添加控件么？

flynncode 2009-12-09 10:44:18

强烈强烈请求知道的人说一下下

我在TreeView的字节点当中，能不能添加一个控件
类似

-- --A(父结点)
B（子结点） X(button)-控件

然后能X控件的事件控制子节点的删除。。

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F_18E 2012-03-23

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[Quote=引用 11 楼 wartim 的回复:]
大同小异吧

C# code

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

using System.Dr……
[/Quote]谢谢高人分享

zhaojun125 2009-12-10

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这个还真没见过这样干的
期待高人来实现一下

flynncode 2009-12-10

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楼上高人。。。高人我先把这个整成usercontrol再试试。。。。有问题再问你哈。。。

wartim 2009-12-10

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大同小异吧



using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

using System.Drawing.Drawing2D;



namespace WindowsApplication217

{

    public partial class Form1 : Form

    {

        TreeView TV = new TreeView();



        public Form1()

        {

            InitializeComponent();



            TV.Parent = this;

            TV.Dock = DockStyle.Fill;

            TV.ItemHeight = 30;



            TreeNode Root = TV.Nodes.Add("根");



            AddDeleteButtonChildNode(Root, "1");

            AddDeleteButtonChildNode(Root, "2");

            AddDeleteButtonChildNode(Root, "3");



            TV.AfterExpand += new TreeViewEventHandler(TV_AfterExpand);

            TV.AfterCollapse += new TreeViewEventHandler(TV_AfterCollapse);

        }



        void TV_AfterCollapse(object sender, TreeViewEventArgs e)

        {

            ChangeDeleteButtonVisible(e.Node, false);

        }



        void TV_AfterExpand(object sender, TreeViewEventArgs e)

        {

            ChangeDeleteButtonVisible(e.Node, true);

        }



        void ChangeDeleteButtonVisible(TreeNode ParentNode, bool Visible)

        {

            foreach (TreeNode ChildNode in ParentNode.Nodes)

            {

                Button B = (Button)ChildNode.Tag;

                B.Location = ChildNode.Bounds.Location;

                B.Left += ChildNode.Bounds.Width;   

                B.Visible = Visible;

            }

        }



        void AddDeleteButtonChildNode(TreeNode ParentNode, String Text)

        {

            TreeNode Node = ParentNode.Nodes.Add(Text);



            Button B = new Button();

            B.Parent = TV;

            B.Text = "删除";

            B.Visible = false;

            B.Click += new EventHandler(B_Click);



            B.Tag = Node;

            Node.Tag = B;

        }



        void B_Click(object sender, EventArgs e)

        {

            Button B = (Button)sender;

            TreeNode Node = (TreeNode)B.Tag;

            TreeNode ParentNode = Node.Parent; 



            B.Dispose(); 

            Node.Remove();



            ChangeDeleteButtonVisible(ParentNode, true); // 刷新重新定位按钮

        }

    }

}

flynncode 2009-12-10

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楼上的大哥，，你介个不对。。我不是要的这个效果。。。

我不要node里面是可输入的text，
我要的效果是node那列还是label显示，但是最后面有一个x的图点图删除，类似那个gridview的自定义控件一样

wartim 2009-12-10

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最好再加入某个TextBox获得焦点事件时触发TreeView的选中节点事件

wartim 2009-12-10

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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 System.Drawing.Drawing2D;



namespace WindowsApplication217

{

    public partial class Form1 : Form

    {

        TreeView TV = new TreeView();



        public Form1()

        {

            InitializeComponent();



            TV.Parent = this;

            TV.Dock = DockStyle.Fill;

            TV.ItemHeight = 30; 

            

            TreeNode Root=TV.Nodes.Add("根");



            AddTextBoxChildNode(Root, "1");

            AddTextBoxChildNode(Root, "2");

            AddTextBoxChildNode(Root, "3");



            TV.AfterExpand += new TreeViewEventHandler(TV_AfterExpand);

            TV.AfterCollapse += new TreeViewEventHandler(TV_AfterCollapse); 

        }



        void TV_AfterCollapse(object sender, TreeViewEventArgs e)

        {

            ChangeTextBoxVisible(e.Node,false);

        }



        void TV_AfterExpand(object sender, TreeViewEventArgs e)

        {

            ChangeTextBoxVisible(e.Node, true);

        }



        void ChangeTextBoxVisible(TreeNode ParentNode,bool Visible)

        {

            foreach (TreeNode ChildNode in ParentNode.Nodes)

            {

                TextBox TB = (TextBox)ChildNode.Tag;

                TB.Location = ChildNode.Bounds . Location;

                TB.Visible = Visible;

            }

        }



        void AddTextBoxChildNode(TreeNode ParentNode, String Text)

        {

            TreeNode Node = ParentNode.Nodes.Add(Text);

            

            TextBox TB = new TextBox();

            TB.Parent = TV;

            TB.Text = Text;

            TB.Visible = false;

            TB.TextChanged += new EventHandler(TB_TextChanged);

            TB.Tag = Node; 

            Node.Tag = TB;

        }



        void TB_TextChanged(object sender, EventArgs e)

        {

            TextBox TB=(TextBox)sender;

            TreeNode Node = (TreeNode)TB.Tag;



            Node.Text = TB.Text;

        }

    }

}