InkCanvasForClass/Ink Canvas/App.xaml.cs
2021-10-31 15:34:14 +08:00

40 lines
936 B
C#

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Threading.Tasks;
using System.Windows;
namespace Ink_Canvas
{
/// <summary>
/// Interaction logic for App.xaml
/// </summary>
public partial class App : Application
{
System.Threading.Mutex mutex;
public static string[] StartArgs = null;
public App()
{
this.Startup += new StartupEventHandler(App_Startup);
}
void App_Startup(object sender, StartupEventArgs e)
{
bool ret;
mutex = new System.Threading.Mutex(true, "Ink_Canvas", out ret);
if (!ret && !e.Args.Contains("-m")) //-m multiple
{
MessageBox.Show("已有一个程序实例正在运行");
Environment.Exit(0);
}
StartArgs = e.Args;
}
}
}