lyfz_repos/铂金版源码/LYFZ.ComponentLibrary/TestListViewEx.cs

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

namespace LYFZ.ComponentLibrary
{
    public partial class TestListViewEx : UserControl
    {
        public TestListViewEx()
        {
            InitializeComponent();
        }
        #region 属性
        DataTable _Bindtable;
        /// <summary>
        /// 要绑定数据
        /// </summary>
        public DataTable Bindtable
        {
            get { return _Bindtable; }
            set
            {
                _Bindtable = value;
                if (_Bindtable != null && _Bindtable.Rows.Count>0)
                {
                    DataForLsitViewAdd();
                }
            }
        }

        string _ShowColumnsName;
        /// <summary>
        /// 要显示出来列名标题名,多个列时，中间用“，”号连接
        /// 可以是中文，也可以是英文
        /// </summary>
        public string ShowColumnsName
        {
            get { return _ShowColumnsName; }
            set { _ShowColumnsName = value; }
        }

        string _ShowRowsName;
        /// <summary>
        /// 要显示出来的DataTable的字段名,多个列时，中间用“，”号连接
        /// 必须与DataTable中的列名一致
        /// </summary>
        public string ShowRowsName
        {
            get { return _ShowRowsName; }
            set { _ShowRowsName = value; }
        }

        string _ShowColumnWhith;
        /// <summary>
        /// 要显示出来列名Name,多个列时，中间用“，”号连接
        /// 可以是中文，也可以是英文
        /// </summary>
        public string ShowColumnWhith
        {
            get { return _ShowColumnWhith; }
            set { _ShowColumnWhith = value; }
        }

        string _Text;
        /// <summary>
        /// 选择后返回的值
        /// </summary>
        public new  string Text
        {
            get { return _Text; }
            set { _Text = value; }
        }
        #endregion

        private void TestListViewEx_Load(object sender, EventArgs e)
        {
            //lstviw.View;
        }

        private void DataForLsitViewAdd()
        {
            lstviw.Columns.Clear();
            if (ShowColumnsName != null && ShowColumnsName != "")
            {
                if (ShowColumnsName.ToString().LastIndexOf(',') == ShowColumnsName.Length - 1)
                {
                    ShowColumnsName.Remove(ShowColumnsName.Length - 1, 1);
                }
                if (ShowColumnWhith.ToString().LastIndexOf(',') == ShowColumnWhith.Length - 1)
                {
                    ShowColumnWhith.Remove(ShowColumnWhith.Length - 1, 1);
                }
                string[] splitColumnArry = ShowColumnsName.Split(',');
                string[] splitColumnWhithArry = ShowColumnWhith.Split(',');
                for (int i = 0; i < splitColumnArry.Length; i++)
                {
                    if (ShowColumnWhith != null && ShowColumnWhith != "" && splitColumnArry.Length == splitColumnWhithArry.Length)
                    {
                        try
                        {
                            int lvWidth = Convert.ToInt32(splitColumnWhithArry[i].ToString());
                            lstviw.Columns.Add(splitColumnArry[i].ToString(), lvWidth, HorizontalAlignment.Left);
                            LVSetAllColWidths(lstviw, lvWidth);
                        }
                        catch
                        {
                            int lvWidth = this.Width / splitColumnArry.Length;
                            lstviw.Columns.Add(splitColumnArry[i].ToString(), lvWidth, HorizontalAlignment.Left);
                            LVSetAllColWidths(lstviw, lvWidth);
                        }
                    }
                    else
                    {
                        int lvWidth = this.Width / splitColumnArry.Length;
                        lstviw.Columns.Add(splitColumnArry[i].ToString(), lvWidth, HorizontalAlignment.Left);
                        LVSetAllColWidths(lstviw, lvWidth);
                    }
                }
            }
            if (Bindtable.Rows.Count > 0)
            {
                if (ShowRowsName.ToString().LastIndexOf(',') == ShowRowsName.Length - 1)
                {
                    ShowRowsName.Remove(ShowRowsName.Length - 1, 1);
                }
                string[] splitShowRowsNameArry = ShowRowsName.Split(',');
                for (int i = 0; i < Bindtable.Rows.Count; i++)
                {
                    ListViewItem item = new ListViewItem(Bindtable.Rows[i][splitShowRowsNameArry[0].ToString()].ToString().Trim());
                    for (int j = 1; j < splitShowRowsNameArry.Length; j++)
                    {
                        item.SubItems.Add(Bindtable.Rows[i][splitShowRowsNameArry[j].ToString()].ToString().Trim());
                    }
                    lstviw.Items.Add(item);
                }
                LVSetAllColWidths(lstviw);
            }
        }

        [DllImport("user32.dll")]
        private static extern int SendMessage(IntPtr hWnd, int Msg, int wParam, int lParam);
        public void LVSetAllColWidths(ListView lv, int lvWidth = 50)
        {
            if (lv.Columns.Count >= 0)
            {
                for (int i = 1; i < lv.Columns.Count; i++)
                {
                    SendMessage(lv.Handle, 0x1000 + lvWidth, i - 1, -2);//
                }
                //lv.Columns[0].Width = lv.Columns[0].Width + 2;
            }
        }


        private void lstviw_Click(object sender, EventArgs e)
        {
            if (lstviw.Items.Count > 0)
            {
                int IntLength = lstviw.Columns.Count;
                Text = "";
                //Text += lstviw.Items[lstviw.SelectedItems[0].Index].ToString();
                Text += lstviw.Items[0].SubItems[0].Text.Trim();
                for (int i = 1; i < lstviw.Columns.Count; i++)
                {
                    Text += "," + lstviw.Items[0].SubItems[i].Text.Trim();
                }
            }
        }




    }

    
}