namespace WinFormTest

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

            ResourceManager rm = new ResourceManager("WinFormTest.Resource", Assembly.GetExecutingAssembly());

            //只需修改str的值就可以获取不同的语言

            string str = "zh-CN";//CultureInfo.CurrentUICulture.Name;

            //en-US    zh-CN

            System.Threading.Thread.CurrentThread.CurrentUICulture = new System.Globalization.CultureInfo(str);

            this.btn1.Text = rm.GetString("btn1Id");

            this.btn2.Text = rm.GetString("btn2Id");

            this.Text = rm.GetString("FormId");

        }

       。。。。。。

     }

}