C#中双击编辑listview某项

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data;

using System.Drawing;

using System.Text;

using System.Windows.Forms;

 

namespace WindowsApplication2

{

    public partial class Form1 : Form

    {

        ListViewEx cListView1 = new ListViewEx();

        public Form1()

        {

            InitializeComponent();

            this.Controls.Add(cListView1);

            AddData();

            DataSet dataset = new DataSet();

           

        }

 

        private void Form1_Load(object sender, EventArgs e)

        {

        }

        //msg=0x115   (WM_VSCROLL)    

        //msg=0x114   (WM_HSCROLL)  

        ///   <summary>  

        ///   CListView   的摘要说明。 

        ///   </summary>  

        public class ListViewEx : ListView

        {

            private TextBox m_tb;

            private ComboBox m_cb;

 

            public ListViewEx()

            {

                m_tb = new TextBox();

                m_cb = new ComboBox();

                m_tb.Multiline = true;

                m_tb.Visible = false;

                m_cb.Visible = false;

                this.Controls.Add(m_tb);//把当前的textbox加入到当前容器里

                this.Controls.Add(m_cb);

            }

            private void EditItem(ListViewItem.ListViewSubItem subItem)

            {

                if (this.SelectedItems.Count <= 0)

                {

                    return;

                }

 

                Rectangle _rect = subItem.Bounds;

 

                m_tb.Bounds = _rect;

                m_tb.BringToFront();

 

                m_tb.Text = subItem.Text;

                m_tb.Leave += new EventHandler(tb_Leave);

                m_tb.TextChanged += new EventHandler(m_tb_TextChanged);

                m_tb.Visible = true;

                m_tb.Tag = subItem;

                m_tb.Select();

            }

            private void EditItem(ListViewItem.ListViewSubItem subItem, Rectangle rt)

            {

                if (this.SelectedItems.Count <= 0)

                {

                    return;

                }

 

                Rectangle _rect = rt;

                m_cb.Bounds = _rect;

                m_cb.BringToFront();

                m_cb.Items.Add(subItem.Text);

                m_cb.Text = subItem.Text;

                m_cb.Leave += new EventHandler(lstb_Leave);

                m_cb.TextChanged += new EventHandler(m_lstb_TextChanged);

                m_cb.Visible = true;

                m_cb.Tag = subItem;

                m_cb.Select();

            }

 

           

            protected override void OnKeyDown(KeyEventArgs e)

            {

                if (e.KeyCode == Keys.F2)

                {

 

                    if (this.SelectedItems.Count > 0)

                    {

                        //this.SelectedItems[0].BeginEdit();

                        ListViewItem lvi = this.SelectedItems[0];

                        EditItem(lvi.SubItems[0], new Rectangle(lvi.Bounds.Left, lvi.Bounds.Top, this.Columns[0].Width, lvi.Bounds.Height - 2));

                    }

                }

                base.OnKeyDown(e);

            }

 

            protected override void OnSelectedIndexChanged(EventArgs e)

            {

                this.m_tb.Visible = false;

                this.m_cb.Visible = false;

                base.OnSelectedIndexChanged(e);

            }

 

            //protected override void OnDoubleClick(EventArgs e)

            //{

            //    Point tmpPoint = this.PointToClient(Cursor.Position);

            //    ListViewItem item = this.GetItemAt(tmpPoint.X, tmpPoint.Y);

            //    if (item != null)

            //    {

            //        if (tmpPoint.X > this.Columns[0].Width && tmpPoint.X < this.Width)

            //        {

            //            EditItem(1);

            //        }

            //    }

 

            //    base.OnDoubleClick(e);

            //}

            protected override void OnDoubleClick(EventArgs e)

            {

                Point tmpPoint = this.PointToClient(Cursor.Position);

               

                ListViewItem.ListViewSubItem subitem = this.HitTest(tmpPoint).SubItem;

                ListViewItem item = this.HitTest(tmpPoint).Item;

                if (subitem != null)

                {

                    if (item.SubItems[0].Equals(subitem))

                    {

                        EditItem(subitem, new Rectangle(item.Bounds.Left, item.Bounds.Top, this.Columns[0].Width, item.Bounds.Height - 2));

                    }

                    else

                    {

                        EditItem(subitem);

                    }

                }

 

                base.OnDoubleClick(e);

            }

          

 

            protected override void WndProc(ref   Message m)

            {

                if (m.Msg == 0x115 || m.Msg == 0x114)

                {

                    this.m_tb.Visible = false;

                }

                base.WndProc(ref   m);

            }

 

            private void tb_Leave(object sender, EventArgs e)

            {

                m_tb.TextChanged -= new EventHandler(m_tb_TextChanged);

                (sender as TextBox).Visible = false;

            }

 

            private void m_tb_TextChanged(object sender, EventArgs e)

            {

                if ((sender as TextBox).Tag is ListViewItem.ListViewSubItem)

                {

                    (this.m_tb.Tag as ListViewItem.ListViewSubItem).Text = this.m_tb.Text;

                }

 

            }

            private void lstb_Leave(object sender, EventArgs e)

            {

                m_cb.TextChanged -= new EventHandler(m_lstb_TextChanged);

            }

            private void m_lstb_TextChanged(object sender, EventArgs e)

            {

                if ((sender as ListBox).Tag is ListViewItem.ListViewSubItem)

                {

                    (this.m_cb.Tag as ListViewItem.ListViewSubItem).Text = this.m_cb.Text;

                }

            }

        }

        public void AddData()

        {

            this.cListView1.GridLines = true;//显示网格线

            this.cListView1.FullRowSelect = true;//单击某项的时候选择多行

            this.cListView1.View = View.Details;//显示格式；

            this.cListView1.Scrollable = true;//添加滚动条

            this.cListView1.MultiSelect = false;//不允许选择多行；

            this.cListView1.HeaderStyle = ColumnHeaderStyle.Nonclickable;

            this.cListView1.Dock = DockStyle.Fill;

            this.cListView1.Columns.Add("姓名", 60, HorizontalAlignment.Left);

            this.cListView1.Columns.Add("性别", 60, HorizontalAlignment.Left);

            this.cListView1.Columns.Add("年龄", 60, HorizontalAlignment.Left);

            this.cListView1.Columns.Add("公司", 60, HorizontalAlignment.Left);

            this.cListView1.Items.Add(new ListViewItem(new String[] { "李雷", "男", "23", "GANA" }));

            this.cListView1.Items.Add(new ListViewItem(new String[] { "李雷", "男", "23", "GANA" }));

            this.cListView1.Items.Add(new ListViewItem(new String[] { "李雷", "男", "23", "GANA" }));

            this.cListView1.Items.Add(new ListViewItem(new String[] { "李雷", "男", "23", "GANA" }));

        }

    }

}

//这是通过自己修改了一点，，，源地址http://hi.baidu.com/%B0%D7%D4%C6%D2%BB%C2%C6/blog/item/da42bac3e3c02d5db219a80a.html