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如何确保在C#中只有一个程序(实例)运行?

　　解答:主要应用System.Diagnostics名字空间中的Process类来实现,思路,我们在运行程序前,查找进程中是否有同名的进程,同时运行位置也相同程,如是没有运行该程序,如果有,就将同名的同位置的程序窗口置前.

主要代码:

[C#]

public static Process RunningInstance()

{

Process current = Process.GetCurrentProcess();

Process[] processes = Process.GetProcessesByName (current.ProcessName);

//查找相同名称的进程

foreach (Process process in processes)

{

//忽略当前进程

if (process.Id != current.Id)

{

//确认相同进程的程序运行位置是否一样.

if (Assembly.GetExecutingAssembly().Location.Replace("/", "\\") == current.MainModule.FileName)

{

//Return the other process instance.

return process;

}

}

}

//No other instance was found, return null.

return null;

}