26 lines
637 B
C#
26 lines
637 B
C#
using System.Windows;
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namespace GroupLine.App
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{
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/// <summary>
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/// App.xaml 的交互逻辑
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/// </summary>
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public partial class App : Application
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{
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private static System.Threading.Mutex mutex;
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protected override void OnStartup(StartupEventArgs e)
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{
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mutex = new System.Threading.Mutex(true, "OnlyRun_CRNS");
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if (mutex.WaitOne(0, false))
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{
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base.OnStartup(e);
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}
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else
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{
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MessageBox.Show("程序已经在运行！", "提示");
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this.Shutdown();
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}
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}
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}
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}
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