獲得中文首字符

  public static  string GetChineseSpell(string strText)
  {
   int len = strText.Length;
   string myStr = "";
   for(int i=0;i<len;i++)
   {
    myStr += getSpell(strText.Substring(i,1));
   }
   return myStr;
  }

  private static string getSpell(string CnChar)
  {
   byte[] byeCN = Encoding.GetEncoding(54936).GetBytes(CnChar);
   if(byeCN.Length > 1)
   {
    int area = (short)byeCN[0];
    int pos = (short)byeCN[1];
    int code = (area<<8) + pos;
    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};
    string str=null;
    for(int i=0;i<26;i++)
    {
     int max = 55290;
     if(i != 25) max = areacode[i+1];
     if(areacode[i]<=code && code<max)
     {
      str+=Encoding.GetEncoding(54936).GetString(new byte[]{(byte)(65+i)});
     }
    }
    return str;
   }
   else return CnChar;
  }

//-------------------------end-------------

引用：
    this.textBox1.Text=GetChineseSpell(this.textBox1.Text);