How to exit a wpf application when Application.Current is NULL?

Question

When i need to exit a WPF Application i usually use Application.Current.Shutdown() but sometimes the Application.Currentis NULL,I also tried Environment.Exit(0) but it doesn't work correctly. Is there any other way to exit a WPF Applicationspecialy when Application.Current is NULL?

this is my code:

 public partial class App : Application
 {
    protected override void OnStartup(StartupEventArgs e)
    {
      if (something)
        {
          continue....
        }
      else
        {
        Application.Current.Shutdown()
        }
  }

From what context you're calling Application.Current? could you post code you're using? — Shahin
– Shahin, Commented Oct 23, 2014 at 8:54
I want to close my entire application!and there is just one System.Windows.Application for any AppDomain. — mahboub_mo
– mahboub_mo, Commented Oct 23, 2014 at 8:56
@apomene:what do you mean by this? I use this code in App.xaml and the in no This here!!! — mahboub_mo
– mahboub_mo, Commented Oct 23, 2014 at 8:58
the first time I've heard that Application.Current could be null. At least right after the main window was loaded, there is no reason Application.Current could be null. — King King
– King King, Commented Oct 23, 2014 at 9:03

Demir · Accepted Answer · 2014-10-23 10:17:46Z

5

System.Diagnostics.Process.GetCurrentProcess().Kill();

Anywhere and anytime this terminates your application immediately.

answered Oct 23, 2014 at 10:17

Demir

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Comments

Dbl · Accepted Answer · 2014-10-23 11:54:54Z

0

This is obviously per design. why would there be an application available when its startup didnt complete yet. Just do this.

public partial class App : Application
{
    protected override void OnStartup(StartupEventArgs e)
    {
        if (false)
        {
            //
        }
        else
        {
            this.Shutdown();
        }
    }
}

answered Oct 23, 2014 at 11:54

Dbl

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