Manage unhandled exceptions that are thrown on secondary user interface (UI) threads. : Exception « Windows Presentation Foundation « C# / C Sharp

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C# / C Sharp » Windows Presentation Foundation » ExceptionScreenshots 
Manage unhandled exceptions that are thrown on secondary user interface (UI) threads.
  


<Application
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  x:Class="WpfApplication1.App"
  StartupUri="MainWindow.xaml" 
  DispatcherUnhandledException="App_DispatcherUnhandledException" />

//File:Window.xaml.cs
using System; 
using System.Text; 
using System.Windows;
using System.Windows.Threading; 

namespace WpfApplication1
{
    public partial class App : Application
    {
        void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e)
        {
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("{0}\n", e.Exception.InnerException.Message);
            sb.AppendFormat("{0}\n", e.Exception.Message);
            sb.AppendFormat("Exception handled on main UI thread {0}.", e.Dispatcher.Thread.ManagedThreadId);
            MessageBox.Show(sb.ToString());

            e.Handled = true;
        }
    }
}

   
    
  
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