using System;
using System.Collections.Generic;
using System.Text;
using System.Collections;
using System.IO;
using System.Windows.Forms;

namespace LngTxtReader
{
    public class LngTxtReader
    {

public Hashtable SetTextByLng(System.Windows.Forms.Form winform, string strLngTxtPath)
        {
            Hashtable ht = new Hashtable();
            if (winform == null)
            {
                return ht;
            }

if (File.Exists(strLngTxtPath))
            {
                
                string strlineContent;
                int iIndex;

System.IO.StreamReader file = new System.IO.StreamReader(strLngTxtPath);
                
                while ((strlineContent = file.ReadLine()) != null)
                {
                    iIndex = strlineContent.IndexOf("===");//语言文件的字串 以===区隔 key 和 value
                    ht.Add(strlineContent.Substring(0, iIndex).Trim(), strlineContent.Substring(iIndex + 3, strlineContent.Length - iIndex - 3).Trim());
                }

if (ht.Count > 0)
                {
                    winform.Text = GetMsgByLng( winform.Text, ht);
                    fn_FindControl(winform.Controls, ht);
                }
            }

return ht;
        }

private void fn_FindControl(Control.ControlCollection ctls,Hashtable ht)
        {
            foreach (Control ctl in ctls)
            {
                if (ht.Contains(ctl.Text.Trim()))
                {
                    ctl.Text = ht[ctl.Text.Trim()].ToString();
                }
                if (ctl.HasChildren)
                {
                    fn_FindControl(ctl.Controls,ht);
                }
            }
        }

public string GetMsgByLng(string strMsg, Hashtable ht)
        {
            string strMsgWithLng = strMsg.Trim();
            if (ht.Contains(strMsg.Trim()))
            {
                strMsgWithLng = ht[strMsg.Trim()].ToString();
            }
            return strMsgWithLng;
        }
    }
   
}

   public Form1()
   {
        InitializeComponent();
        #region 语言显示
        string currDirPath = new System.IO.FileInfo(System.Reflection.Assembly.GetExecutingAssembly().Location).Directory.FullName;
        string strFilePath = currDirPath + "\\PassChcek_Lng1033.txt";
        LngTxtReader.LngTxtReader lngReader = LngTxtReader.LngTxtReader();
        ht = lngReader.SetTextByLng(this,strFilePath);
        #endregion
    }

private void button1_Click(object sender, EventArgs e)
    {
        MessageBox.Show(new Xys.Comm.LngTxtReader.LngTxtReader().GetMsgByLng("Hello world",ht));
    }