windows 当用户尝试打开新实例时返回到已打开的应用程序
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Return to an already open application when a user tries to open a new instance
提问by MagicKat
This has been a problem that I haven't been able to figure out for sometime. Preventing the second instance is trivial and has many methods, however, bringing back the already running process isn't. I would like to:
这是我有一段时间无法弄清楚的问题。防止第二个实例是微不足道的，有很多方法，但是，恢复已经运行的进程不是。我想要：
- Minimized: Undo the minimize and bring the running instance to the front.
- Behind other windows: Bring the application to the front.
- 最小化：撤消最小化并将正在运行的实例置于最前面。
- 在其他窗口后面：将应用程序放在前面。
The language I am using this in is VB.NET and C#.
我使用的语言是 VB.NET 和 C#。
采纳答案by Big GH
I found this code to be useful. It does the detection and optional activation of an existing application:
我发现这段代码很有用。它执行现有应用程序的检测和可选激活：
回答by Tim Erickson
If you're using .NET, this seems easier and more straightforward using build-in .NET functionality:
如果您使用的是 .NET，那么使用内置的 .NET 功能似乎更容易、更直接：
The Weekly Source Code 31- Single Instance WinForms and Microsoft.VisualBasic.dll
回答by Mark Ingram
These link may be of help:
这些链接可能会有所帮助：
http://www.ai.uga.edu/mc/SingleInstance.html
http://www.ai.uga.edu/mc/SingleInstance.html
It has code to detect another instance running, not sure what you can do with it once you've got the instance though.
它具有检测另一个正在运行的实例的代码，但不确定一旦获得该实例您可以用它做什么。
