C# Winform软件多语言（汉语、英语。。。）界面的切换，低耦合

namespace WindowsFormsApplication1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
SetLanguage();
} private void SetLanguage()
{
this.lbUserName.Text = GlobalData.GlobalLanguage.Login_UserName;
this.lbPwd.Text = GlobalData.GlobalLanguage.Login_UserPwd;
this.btnLogin.Text = GlobalData.GlobalLanguage.Login_Login;
}
}
}

namespace WindowsFormsApplication1
{
public class GlobalData
{
/// <summary>
/// 系统语言（Chinese（中文），English（英文）。。。）
/// </summary>
public static string SystemLanguage = System.Configuration.ConfigurationManager.AppSettings["Language"]; private static Language globalLanguage;
public static Language GlobalLanguage
{
get
{
if (globalLanguage == null)
{
globalLanguage = new Language();
return globalLanguage;
}
return globalLanguage;
}
} }
}

namespace WindowsFormsApplication1
{
public class Language
{
#region 登陆界面
public string Login_UserName = "";
public string Login_UserPwd = "";
public string Login_Login = "";
#endregion protected Dictionary<string, string> DicLanguage = new Dictionary<string, string>();
public Language()
{
XmlLoad(GlobalData.SystemLanguage);
BindLanguageText();
} /// <summary>
/// 读取XML放到内存
/// </summary>
/// <param name="language"></param>
protected void XmlLoad(string language)
{
try
{
XmlDocument doc = new XmlDocument();
string address = AppDomain.CurrentDomain.BaseDirectory + "Languages\\" + language + ".xml";
doc.Load(address);
XmlElement root = doc.DocumentElement; XmlNodeList nodeLst1 = root.ChildNodes;
foreach (XmlNode item in nodeLst1)
{
DicLanguage.Add(item.Name, item.InnerText);
}
}
catch (Exception ex)
{
throw ex;
}
} public void BindLanguageText()
{
Login_UserName = DicLanguage["Login_UserName"];
Login_UserPwd = DicLanguage["Login_UserPwd"];
Login_Login = DicLanguage["Login_Login"];
}
}
}

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<appSettings>
<!-- Language的值只能是Chinese（中文），English（英文） -->
<add key="Language" value="English"/>
</appSettings>
</configuration>

<?xml version="1.0" encoding="utf-8" ?>
<English>
<Login_UserName>UserName:</Login_UserName>
<Login_UserPwd>Password:</Login_UserPwd>
<Login_Login>Login</Login_Login>
</English>

<?xml version="1.0" encoding="utf-8" ?>
<Chinese>
<Login_UserName>用户名：</Login_UserName>
<Login_UserPwd>密码：</Login_UserPwd>
<Login_Login>登录</Login_Login>
</Chinese>