Program.cs

using System;
using System.Diagnostics;
using System.Reflection;
using System.Windows.Forms;
using ViPER4WindowsBin.Utils;

namespace ViPER4WindowsBin
{
    internal static class Program
    {
        [STAThread]
        private static void Main(string[] szArgs)
        {
            if (RunningInstance() != null)
                return;
            Application.EnableVisualStyles();
            Application.SetCompatibleTextRenderingDefault(false);
            string szLanguagePath = "";
            string szLanguageFile = "";
            string baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
            if (!baseDirectory.EndsWith("\\"))
                baseDirectory += "\\";
            string szFolder = baseDirectory + "Language\\";
            string str1 = new ConfigFile(baseDirectory + "Config.ini").ReadConfig("$LANGUAGE_NAME");
            if (str1 == "")
                str1 = "English";
            string[] strArray = new FolderExplorer().ListFiles(szFolder);
            string str2 = "";
            foreach (string szConfigPath in strArray)
            {
                if (new ConfigFile(szConfigPath).ReadConfig("$LANGUAGE_NAME").Trim() == str1)
                {
                    str2 = szConfigPath;
                    break;
                }
            }
            if (str2 != "")
            {
                szLanguagePath = szFolder;
                szLanguageFile = str2;
            }
            else if (str1 == "English")
            {
                _ = (int)MessageBox.Show("Can not load default language (English), use built-in language.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
            }
            else
            {
                string str3 = "English";
                foreach (string szConfigPath in strArray)
                {
                    if (new ConfigFile(szConfigPath).ReadConfig("$LANGUAGE_NAME").Trim() == str3)
                    {
                        str2 = szConfigPath;
                        break;
                    }
                }
                if (str2 != "")
                {
                    szLanguagePath = szFolder;
                    szLanguageFile = str2;
                }
                else
                {
                    _ = (int)MessageBox.Show("Can not load default language (English), use built-in language.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                }
            }
            if (szLanguagePath != "" && szLanguageFile != "")
                GlobalMessages.LoadMessages(szLanguageFile);
            if (!RegHelper.CheckConfigRegister())
            {
                _ = (int)MessageBox.Show(GlobalMessages.DRIVER_NOT_CONFIG, GlobalMessages.ERROR, MessageBoxButtons.OK, MessageBoxIcon.Hand);
            }
            else
            {
                FrmMain.SetLanguage(szLanguagePath, szLanguageFile);
                Application.Run(new FrmMain(szArgs));
            }
        }

        private static Process RunningInstance()
        {
            Process currentProcess = Process.GetCurrentProcess();
            foreach (Process process in Process.GetProcessesByName(currentProcess.ProcessName))
            {
                if (process.Id != currentProcess.Id && Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == currentProcess.MainModule.FileName)
                    return process;
            }
            return null;
        }
    }
}