如何防止多次打开我的应用程序? [英] How to prevent open my application more than one time?

问题描述

可能重复:
创建单个实例的正确方法是什么申请吗?

Possible Duplicate:
What is the correct way to create a single instance application?

如何反复定义我的应用程序，将其定义为只打开一次该应用程序?

How can I define my application to open only one time after click on its exe file over and over?

推荐答案

我一直在应用程序的入口点执行此操作:

I've always done this at the application's entry point:

bool onlyInstance = false;

Mutex m = new Mutex(true, "MyUniqueMutextName", out onlyInstance);
if (!onlyInstance)
{
    return;
}

GC.KeepAlive(m);

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