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POCatch unhandled exceptions from any thread
 

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    <h2>Edit</h2> <p>The answers to this question where helpful thanks I appreciate the help :) but I ended up using: <a href="http://code.msdn.microsoft.com/windowsdesktop/Handling-Unhandled-47492d0b#content" rel="noreferrer">http://code.msdn.microsoft.com/windowsdesktop/Handling-Unhandled-47492d0b#content</a></p> <hr> <h2>Original question:</h2> <p>I want to show a error message when my application crashes. </p> <p>Currently I have:</p> <p><code>App.xaml</code>:</p> <pre><code>&lt;Application x:Class="WpfApplication5.App" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" DispatcherUnhandledException="App_DispatcherUnhandledException" // &lt;---------------- StartupUri="MainWindow.xaml"&gt; &lt;Application.Resources&gt; &lt;/Application.Resources&gt; &lt;/Application&gt; </code></pre> <p>Code-behind of <code>App.xaml</code>:</p> <pre><code>namespace WpfApplication5 { public partial class App : Application { private void App_DispatcherUnhandledException(object sender, DispatcherUnhandledExceptionEventArgs e) { MessageBox.Show("Caught Unhandled Exception!"); } } } </code></pre> <p>That solution works great when the error occurs on the main thread. Now my problem is how will I be able to catch errors that happen on a different thread also? </p> <p>In other words: when I press this button I am able to catch the exception: (<code>App_DispatcherUnhandledException</code> gets called!)</p> <pre><code> private void button1_Click(object sender, RoutedEventArgs e) { int.Parse("lkjdsf"); } </code></pre> <p>But I am not able to catch this exception:</p> <pre><code> private void button1_Click(object sender, RoutedEventArgs e) { Task.Factory.StartNew(() =&gt; { int.Parse("lkjdsf"); }); } </code></pre> <p>How will I be able to catch all exceptions regardless if they happen on the main thread or not? </p>
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