如何确保有一个应用程序实例正在运行
问题描述：
我想检查用户何时双击应用程序图标，确认该应用程序的其他实例尚未在运行.
I want to check when the user double click on applictaion icon that no another instance of this application is already running.
我了解了My.Application，但我仍然不知道该怎么办.
I read about My.Application but i still don't know what to do.
答
最常见的模式是使用Singleton模式.由于您还没有表示语言，所以我假设您在这里指的是C#-如果不是，则大多数OO语言的原理仍然相同.
The most common pattern for doing this is to use the Singleton pattern. As you haven't indicated a language, I'm going to assume that you are referring to C# here - if not, the principles are still the same in most OO languages.
这篇文章应为您提供一些帮助.
This article should give you some help.