转自：http://blog.csdn.net/wu_zheng_peng/article/details/8639828

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

namespace TextEdit
{
public partial class Form1 : Form
{
public ArrayList list = new ArrayList();
public Form1()
{
InitializeComponent();
addList();//添加集合中文
}

private void tBox_TextChanged(object sender, EventArgs e)
{
this.lstBox.Items.Clear();
System.Text.RegularExpressions.Regex reg = new System.Text.RegularExpressions.Regex("[^a-zA-Z\r\n]+");
if (!reg.Match(tBox.Text).Success)
{
//遍历ArrayList中的所有信息
foreach (object obj in list)
{
//获得各汉字拼音首字母缩写
string strName = GetChineseSpell(obj.ToString()).ToLower();
string strTxtName = tBox.Text.ToLower();
//根据拼音进行匹配
if (strName.Contains(strTxtName) && strName.Substring(0, strTxtName.Length) == strTxtName)
{
lstBox.Items.Add(obj);
}
}
return;
}
//检索信息为空,就显示所有信息
lstBox.DataSource = list;
}
/// <summary>
/// 拼音检索
/// </summary>
/// <param name="strText"></param>
/// <returns></returns>
static public string GetChineseSpell(string strText)
{
int len = strText.Length;
StringBuilder strBuilder = new StringBuilder();
for (int i = 0; i < len; i++)
strBuilder.Append(getLetters(strText.Substring(i, 1)));
return strBuilder.ToString();
}

/// <summary>
/// 得到首字母
/// </summary>
/// <param name="strChar"></param>
/// <returns></returns>
public static string getLetters(string strChar)
{
byte[] byteLetters = Encoding.Default.GetBytes(strChar);
if (byteLetters.Length > 1)
{
int first = (short)byteLetters[0];
int second = (short)byteLetters[1];
int code = (first << 8) + second;
int[] areacode = { 45217, 45253, 45761, 46318, 46826, 47010, 47297, 47614, 48119, 48119, 49062, 49324, 49896, 50371, 50614, 50622, 50906, 51387, 51446, 52218, 52698, 52698, 52698, 52980, 53689, 54481 };
for (int i = 0; i < 26; i++)
{
int max = 55290;
if (i != 25) max = areacode[i + 1];
if (areacode[i] <= code && code < max)
return Encoding.Default.GetString(new byte[] { (byte)(65 + i) });
}
return string.Empty;
}
else
return strChar;
}

public void addList()
{
list.Add("奇元");
list.Add("玉环");
list.Add("曹操");
list.Add("曹丕");
list.Add("常在");
list.Add("常义");
list.Add("张三四");
}
}
}