BBMPT1/InjectionSearch/Program.cs

using System;
using System.Collections.Generic;
using System.Data.SqlClient;
using System.Linq;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace InjectionSearch
{
    static class Program
    {
        /// <summary>
        /// 应用程序的主入口点。
        /// </summary>

        public static SqlConnection DBConn;   //数据库连接串
        public static string station;
        public static string StationID;
        public static string OperatorName;
        public static string IP;
        public static string Shift;   //班次
        public static string ProductDate;
        
        [STAThread]
        static void Main()
        {
            bool isRuned;
            System.Threading.Mutex mutex = new System.Threading.Mutex(true, "OnlyRunOneInstance", out isRuned);

            if (isRuned)
            {
                Application.EnableVisualStyles();
                Application.SetCompatibleTextRenderingDefault(false);
                Application.Run(new FrmLogin());
                mutex.ReleaseMutex();
            }
            else
            {
                MessageBox.Show("程序已启动!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
    }
}