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| static Mutex mutex = new Mutex(true, Application.ProductName);
[STAThread]
static void Main()
{
if (mutex.WaitOne(TimeSpan.Zero, true))
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new Form1());
mutex.ReleaseMutex();
}
else
{
MessageBox.Show("应用程序已在运行");
}
}
|
WPF
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| private static Mutex mutex;
private void Application_Startup(object sender, StartupEventArgs e)
{
mutex = new Mutex(true, Assembly.GetExecutingAssembly().GetName().Name, out bool createdNew);
if (!createdNew)
Shutdown();
}
|
参考资料
https://stackoverflow.com/questions/19147/what-is-the-correct-way-to-create-a-single-instance-wpf-application
