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Cannot get custom context to stick #2

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e6490de
Update sample app with a mutha of a bug
Jan 25, 2013
3dad528
Merge branch 'master' of https://github.com/kiwidev/WinRTExceptions
Jan 25, 2013
c492658
Move the call to Test.LaunchAsync() after Window.Current.Activate
Jan 25, 2013
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29 changes: 24 additions & 5 deletions Sample/App.xaml.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,10 @@
using System;
using System.Diagnostics;
using System.Threading;
using System.Threading.Tasks;
using Windows.ApplicationModel;
using Windows.ApplicationModel.Activation;
using Windows.Storage;
using Windows.UI.Popups;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
Expand Down Expand Up @@ -58,12 +62,8 @@ private async void App_UnhandledException(object sender, Windows.UI.Xaml.Unhandl
/// search results, and so forth.
/// </summary>
/// <param name="args">Details about the launch request and process.</param>
protected override void OnLaunched(LaunchActivatedEventArgs args)
protected override async void OnLaunched(LaunchActivatedEventArgs args)
{
// Start custom code
RegisterExceptionHandlingSynchronizationContext();
// End custom code

Frame rootFrame = Window.Current.Content as Frame;

// Do not repeat app initialization when the Window already has content,
Expand All @@ -80,6 +80,10 @@ protected override void OnLaunched(LaunchActivatedEventArgs args)

// Place the frame in the current Window
Window.Current.Content = rootFrame;

ExceptionHandlingSynchronizationContext
.RegisterForFrame(rootFrame)
.UnhandledException += SynchronizationContext_UnhandledException;
}

if (rootFrame.Content == null)
Expand All @@ -94,6 +98,8 @@ protected override void OnLaunched(LaunchActivatedEventArgs args)
}
// Ensure the current window is active
Window.Current.Activate();

await Test.LaunchAsync();
}

protected override void OnActivated(IActivatedEventArgs args)
Expand All @@ -118,4 +124,17 @@ private void OnSuspending(object sender, SuspendingEventArgs e)
deferral.Complete();
}
}

internal class Test
{
public static async Task LaunchAsync()
{
Debug.WriteLine("Before CreateFolderAsync: {0}", SynchronizationContext.Current);
await ApplicationData.Current.LocalFolder.CreateFolderAsync("cache", CreationCollisionOption.OpenIfExists);
Debug.WriteLine("After CreateFolderAsync:{0}", SynchronizationContext.Current);

await Task.Yield();
Debug.WriteLine("After Task.Yield: {0}", SynchronizationContext.Current);
}
}
}