I want to make a class of mine accessible in JavaScript via a C# WebView-Control. Therefore I am using the WebView.AddWebAllowedObject method. However if I assign an attribute, it works fine, but if I assign the whole class to get all attributes in j...

Trying out Windows Universal apps with JavaScript I noticed the WinJS.Utilities.isPhone property is no longer available, which makes sense since there would be no reason to ask for that at runtime.  I do want to know just for testing purposes if ther...

I have started a new project - javascript - windows universal app and without changing anything or adding any code I try to build it and run it but it wont with the following error:     Error : DEP0700 : Registration of the app failed. error 0x800802...

I would like to resize an image picked from the gallery of the phone before uploading it via background transfer so far I have:-  filePicker.pickSingleFileAsync().then(function (file) {                             uploadSingleFileAsync(uri, file);...

Currently in my UWP app I am getting the Text-selection of a webview through  DataPackage package = await webview.CaptureSelectedContentToDataPackageAsync();   and read out the string with   await package.GetView().GetTextAsync();   This works perfec...

I am trying to create a WinJS.UI.Flyout with a single input field and a single button to allow the user to enter a new value in the input field and click on the button to save it. However, on windows phone 8.1, Flyouts are not supported.  How can I w...

I'm trying to use Windows Runtime Component (C#) in my Windows 10 Universal App (JavaScript). I found how to do that in Windows 8.x store apps: https://msdn.microsoft.com/en-us/library/hh779077.aspx but this solution is not working with Windows 1...

I have a Windows 10 Universal app that's written in JavaScript. The app is a location tracker and needs to run in the background, and I am attempting to use the ExtendedExecution APIs to make that happen. I'm finding, though, that this works...

I am having trouble with my Windows 10 cordova application.  I am trying to use the navigator.notification.confirm but it keeps throwing me this error     Exception calling native with command :: Notification :: confirm   ::exception=WinRTError: The...

I just started playing around with Windows Dev and please pardon me if this issue does not seem logical or legit to you.   I am trying these Chakra Host samples on Microsoft GitHub and when input js cond like console.log or alert, I get error like &#...