using Internationalization.Resources;
using System;
using System.Collections.Generic;
using System.Globalization;
using System.Linq;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace Internationalization
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>
        [STAThread]
        static void Main()
        {
            ///国际化代码
            CultureInfo language = new CultureInfo("en-US");//设置默认为英语
            Language.LocRM = new System.Resources.ResourceManager("Internationalization.Resources.ResourceEN", typeof(ResourceEN).Assembly);
            if (Thread.CurrentThread.CurrentCulture.Name.ToUpper().Contains("ZH") || Thread.CurrentThread.CurrentUICulture.Name.ToUpper().Contains("ZH"))
            {
                language = new CultureInfo("zh-CN");
                Language.LocRM = new System.Resources.ResourceManager("Internationalization.Resources.ResourceZH", typeof(ResourceZH).Assembly);
            }
            Thread.CurrentThread.CurrentCulture = language;
            Thread.CurrentThread.CurrentUICulture = language;
            Application.CurrentCulture = language;


            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            Application.Run(new Form1());
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Resources;
using System.Text;
using System.Threading.Tasks;

namespace Internationalization
{
    class Language
    {
        public static ResourceManager LocRM; //语言本地化
    }
}

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

namespace Internationalization
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            label_Name.Text = Language.LocRM.GetString("Name");
            tB_Name.Text = Language.LocRM.GetString("Sex");
        }
    }
}