Some days ago when uploading my Windows app to the Store, I’ve got a strange error message : “A previous submission for this app was released with a Windows Phone 8.1 appxbundle. Subsequent submissions must…
WinRT
WinRT exceptions : how to know what the hexadecimal error code means
When working with the WinRT SDK you somethimes get exceptions from it with only an hexadecimal code to help you understand what the error is. Often, when you look for it on Google/Bing, you end…
#WinRT : how to easily get the dominant color of a picture
“Content before Chrome” is the Leitmotif of Windows Store Apps. You’ll usually end up using a lot of images in your app and getting the dominant color of a picture may actually be useful. My…
Windows 8.1 #XAML new theme management in your Windows Store Apps
Did you remember Windows 8 ? The theme of your app was set once at the launch and you could’nt change it dyamically or set once by control. This was really annoying in some case…
[WinRT] How to get the language code actually used to resolve a resource
I am working on an app with a lot of different languages. This is really great because there is a lot more chances that the user get the app in its spoken tongue. You can…
Win8/XAML : how to create a TextBlock with clickables hyperlinks in it
Xaml is really powerful and you can build nearly any user interface you want with it. However it can be hard sometimes and in this post I will describe how you can create something I…

Win8 XAML App : how to debug the javascript in a WebView !
When you build a Windows 8 Xaml app you sometimes need to put a WebView in it and run some custom Javascript in the loaded html page. I recommend you to read this MSDN blog…

[Win8] The cached file updater contract or how to make more useful the File Save Picker contract
As you can read on MSDN, there is in fact a lot of contracts available for a Windows 8 app. Today, I want to describe one which is very useful for the Dropbox client I…

C++/CX : How to expose/convert an existing concurrency::task to Windows::Foundation::IAsyncAction^ ?
😮 I am really writing a blog post on C++ ? Yest it seems so :). At this year MVP Summit I discovered how much fun I can have with C++ (and especially C++/Cx in…

WinRT : how to cancel a Background Download Operation
Today a quick tip, easy to code but hard to find if you don’t know where to look for : how to cancel a DownloadOperation !