c#只能打开一个程序的实例

[墨香年少 32]

public Form1()
        {
            InitializeComponent();
            StopProcess();
            set_date();
        }
        //防止多开，保证只有一个exe在运行
        private void StopProcess()
        {
            Process current = Process.GetCurrentProcess();
            Process[] pp = Process.GetProcessesByName(current.ProcessName);
            foreach (Process p in pp)
            {
                if (p.Id != current.Id)
                {
                    if (p.MainModule.FileName == current.MainModule.FileName)
                    {
                        p.Kill();
                        return;
                    }
                }
            }
        }