.NET C# 获取Windows任务管理器中当前活动的程序进程的命令行参数信息

        /// <summary>
        /// 获取正在运行的程序实例的命令行参数信息
        /// </summary>
        /// <returns></returns>
        private static string GetRunningInstanceArgument()
        {
            var currentProcess = System.Diagnostics.Process.GetCurrentProcess();
            var processName = currentProcess.ProcessName;
            var processes = System.Diagnostics.Process.GetProcessesByName(processName);

　　　  var currentProcess = processes.FirstOrDefault();

            var arguments = GetCommandLineArgsCore(currentProcess);

            return arguments;
        }
        private static string GetCommandLineArgsCore(Process process)
        {
            using (var searcher = new ManagementObjectSearcher(
                "SELECT CommandLine FROM Win32_Process WHERE ProcessId = " + process.Id))
            using (var objects = searcher.Get())
            {
                var @object = objects.Cast<ManagementBaseObject>().SingleOrDefault();
                return @object?["CommandLine"]?.ToString() ?? "";
            }
        }