启动进程的服务不会显示 GUI C# [英] Service starting a process wont show GUI C#

问题描述

嘿，我正在尝试获取一个服务来启动我的程序，但它没有显示 GUI.该过程开始，但没有显示任何内容.我尝试启用允许服务与桌面交互"，但仍然无效.我的程序是一个计算机锁定设备，用于阻止未经授权的用户访问计算机.我在 64 位操作系统上运行 Windows 7.

Hey, I am trying to get a service to start my program but it isn't showing the GUI. The process starts but nothing is shown. I have tried enabling 'Allow service to interact with desktop' but that still isn't working. My program is a computer locking device to stop unauthorised users from accessing the computer. I am running windows 7 with a 64 bit OS.

这是我的服务的代码:

        protected override void OnStart(string[] args)
    {
        Process p = new Process();
        p.StartInfo.FileName = "notepad.exe";
        p.Start();

        FileStream fs = new FileStream(@"C:UsersDavidDocumentsVisual Studio 2010ProjectsLockPCServiceLockPCServiceinDebugServiceLog.dj",
        FileMode.OpenOrCreate, FileAccess.Write);
        StreamWriter m_streamWriter = new StreamWriter(fs);
        m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
        m_streamWriter.WriteLine(" LockPCService: Service Started " + DateTime.Now + "
" + "
");
        m_streamWriter.Flush();
        m_streamWriter.Close();
    }

    protected override void OnStop()
    {
        FileStream fs = new FileStream(@"C:UsersDavidDocumentsVisual Studio 2010ProjectsLockPCServiceLockPCServiceinDebugServiceLog.dj",
        FileMode.OpenOrCreate, FileAccess.Write);
        StreamWriter m_streamWriter = new StreamWriter(fs);
        m_streamWriter.BaseStream.Seek(0, SeekOrigin.End);
        m_streamWriter.WriteLine(" LockPCService: Service Stopped " + DateTime.Now + "
"); m_streamWriter.Flush();
        m_streamWriter.Close();
    }

为了尝试使服务正常工作，我正在使用 notepad.exe.当我查看进程记事本正在运行但没有 GUI 时.每次我运行它时，ServiceLog 都在那里工作.

To try and get the service working I am using notepad.exe. When I look at the processes notepad is running but there is no GUI. Also the ServiceLog is there and working each time I run it.

关于为什么这不起作用的任何想法?

Any ideas on why this isn't working?

谢谢.

推荐答案

本文 解释了 Session 0 Isolation，其中包括禁止服务在 Windows Vista/7 中创建 UI.在您的服务启动另一个进程时，它在会话 0 中启动并且也不会显示任何 UI.(顺便说一下，创建了 UI，只是 Session 0 永远不会显示).这篇关于 CodeProject 的文章可以帮助您从用户的桌面并显示其 UI.

This article explains Session 0 Isolation which among other things disallows services from creating a UI in Windows Vista/7. In your service starts another process, it starts in Session 0 and also will not show any UI. (By the way, the UI is created, it's just that Session 0 is never displayed). This article on CodeProject can help you create a process from a service on the user's desktop and show its UI.

另外，请考虑将流对象包装在 using 声明 以便正确处理它们.

Also, please consider wrapping you stream objects in a using statement so that they are properly disposed.

这篇关于启动进程的服务不会显示 GUI C#的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！