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Posts Tagged ' Universal Windows Platform'

We are pleased to present below all posts tagged with ' Universal Windows Platform'. If you still can't find what you are looking for, try using the search box.

XAML Layout for a Dictionary–Part 2

The previous post outlined in an XAML UI using a ListView how to display a List of instances of a class of public properties using data binding. Layout and padding issues were examined as well as binding to a dictionary of objects. This article covers programmatically adding elements of a collection to an XAML UI.

XAML Layout for a Dictionary–Part 1

I had a Dictionary of values that I wanted to display in an XAML UI as part of a UWP app. My initial foray was to use a ListView with a binding to the dictionary  ListView.ItemTemplate/DataTemplate. The dictionary was then bound to the ListView’s ItemsSource. The problem with the ListView is that there is a lot of padding between items vertically and within items.I wanted to compact the rows of data vertically though as if I had manually placed each dictionary item (key and values) in a grid of rows of TextBlocks in a row (one row for each item). This article discusses my trials and tribulations with this issue and includes my final solution.

Yet another GEM: Universal Windows (10) App Settings – Solution

Universal Windows(10) Apps settings is easy. Its simple to specify as part of the build, save them to storage, get them back and modify .. I mean dead easy! Smile

Another GEM: Microsoft SQL Server Credentials for a Remote Web Service

It was simple enough to get access to a Microsoft  SQL Server from a Web Service when all were running on the same machine. You use Windows Authentication. But when the services are both running locally, with the user running a Windows 10 Universal app that calls the web service, they won’t be logged in an so the web service needs credential for the SQL service.

More GEMS: Kept getting Network Access Required in a Universal App–An hr or 2 later!

I’m creating a Windows 10 Universal Phone App that talks to a Web Service to post an entity (object) in Microsoft SQL Server running on the same machine as the Web Service. Initially did all including the app on my laptop using localhost as the network target. Solved the SQL Server credentials .. OK. But when I switch to using the laptop’s system name or its IP address (all still running on same machine) got Network Access Required error.

Little GEMS: XAML page not linked to its Codebehind Page .. Solution


In developing a Universal Windows app, when you add an existing XAML and its Codebehind page, they often end up unlinked in the Solution Explorer. This limits the ability to autogenrate event handlers in the codebehind page for UI elements.Spaso Lazarevic has a good solution that involves a little editing of the project file.

Win 10 IoT Core: Universal Windows Apps Sideloading (Updated)

This is a work in progress. The objective is to be able to directly load a Universal Windows App from an Appx package on a Windows 10 IoT RPI2, The blocking issue is a PIN requirement. I can package up the app and deploy it to my development machine and a Win 10 phone but not to my RPI2. Updated for Web Portal IoT Package installation.

Win 10–Universal (UWP) App: Using JSON from a file to populate a menu

In my previous blog Windows 10 (including IoT) USB HID device identification was covered in detail. This included an app that takes the relevant IDs for an HID device and checks whether it is present on the system. Two of the IDs could be looked up via a menu as they come an HID Usage table. The menu data was loaded from a JSON (text) file and translated using Linq to a list that is the Xaml data source binding for the menu. This blog demonstrates the mechanism for loading JSON data from a text file into an Xaml ComboBox.

Win 10 IoT Core: Raspberry Pi 2 Peripherals – Connected Devices: USB HID Peripherals

Human Interface Devices (HID) are supported in the “headful/headed” (viz. headless) version of Windows 10 IoT. Anything that takes users input for an app is an HID device, and can include devices such as screens that provide feedback to the user. Traditional HID devices are the mouse and keyboard, whereas gaming devices such as joystick, XBox controller and steering wheel are also HID devices. A barcode scanner or credit scanner are also be HID devices, A system with just a few push buttons to control it has those pushbuttons as a trivial HID. Technically the HID protocol was developed as a protocol for the USB-HID class such that devices that conform to that class do not need a specific driver.

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