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Tracking Objects with Pixy Visual Sensor on Raspberry Pi using Windows 10 IoT Core

by Victor Dashevsky

Processing the positioning information of visual objects detected by Pixy camera and received on Raspberry Pi via I2C, and using common design patterns in a C# program parsing robotics sensor data

Programming Windows 10 Desktop: UWP Focus (7 of N)

by raddevus

Get Started in UWP (moving away from WinForm) Chapter 7 Saving journal entries in the file system

UWP Alien Sokoban - Part 3

by Daniel Vaughan

A fun UWP implementation of the game Sokoban, demonstrating some new features of XAML and C# 6.0. Part 3

Programming Windows 10 Desktop: UWP Focus (4 of N)

by raddevus

Get Started in UWP (moving away from WinForm) Chapter 4 Adding Windows Controls (Building the DailyJournal app)

Latest Articles

A Spritesheet Library and Editor for Win2D

by g96b10

Win2D provides a neat API interface, but how do you render complex sprites for your game? I provide a library and editor to make this a streamlined process.

Edit Template or Edit Additional Templates in Visual Studio XAML without all the Bloat

by SoundersFan

How to edit templates in VS XAML without the bloat

RGF: A Save/Open Dialog Box with Cloud Capabilities

by Michael Chourdakis

Replace GetOpenFileName/GetSaveFileName with a new cloud API!

Creating a Settings Screen for UWP with Codon

by Daniel Vaughan

Create a dynamic settings screen for your UWP app. Add a setting with a single line of code.

All Articles

Universal Windows Platform

Tracking Objects with Pixy Visual Sensor on Raspberry Pi using Windows 10 IoT Core

26 May 2018 by Victor Dashevsky

Processing the positioning information of visual objects detected by Pixy camera and received on Raspberry Pi via I2C, and using common design patterns in a C# program parsing robotics sensor data

Programming Windows 10 Desktop: UWP Focus (7 of N)

29 Nov 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 7 Saving journal entries in the file system

UWP Alien Sokoban - Part 3

26 Oct 2016 by Daniel Vaughan

A fun UWP implementation of the game Sokoban, demonstrating some new features of XAML and C# 6.0. Part 3

Programming Windows 10 Desktop: UWP Focus (4 of N)

27 Nov 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 4 Adding Windows Controls (Building the DailyJournal app)

Programming Windows 10 Desktop: UWP Focus (6 of N)

28 Nov 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 6 Programmatically Adding Tabs (Pivot) for Multiple entries in DailyJournal (includes CommandBar and Menu concepts)

RGF: A Save/Open Dialog Box with Cloud Capabilities

31 May 2019 by Michael Chourdakis

Replace GetOpenFileName/GetSaveFileName with a new cloud API!

Get Bing Image of the Day using C#

21 Aug 2016 by Keerat Singh

Get Bing Image of the Day using different methods for JSON parsing

UWP Form Validation with Calcium

22 Jan 2017 by Daniel Vaughan

Implementing synchronous and asynchronous form validation for XAML based apps.

A Navigation System for UWP Apps

20 Dec 2015 by Akash Gutha

This tip is aimed at providing a simple solution for simple page to page navigation system for your UWP apps.

TomSSL Band: writing a simple app for the Microsoft Band

12 Feb 2016 by Tom Chantler

In this article you will learn how to write a simple application for the Microsoft Band. It'll only take about half an hour. All of the code is in GitHub.

Programming Windows 10 Desktop: UWP Focus (5 of N)

28 Nov 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 5 Adding Tabs (Pivot) For Multiple Journal Entries

Programming Windows 10 Desktop: UWP Focus (12 of N)

12 Dec 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 12 Working with the ListView - Setting up ListView style via XAML, using data binding and anonymous types in C#.

Generate Barcode and QR code in Windows Universal app

20 Mar 2016 by Sumit Samediya

In this article we will learn how to generate Barcode and QR code in Windows Universal App.

Simple software MIDI keyboard for UWP app

28 Mar 2017 by Eidorff

Simple software MIDI keyboard using Microsoft GS Wavetable Synth

Using .resw files with UWP Compiled Bindings

1 Oct 2015 by Daniel Vaughan

IntroductionWith UWP and WinRT, Microsoft introduced a new means for localizability, which differs significantly from the method employed in Silverlight and .NET desktop apps.

Fake Band - The Microsoft Band Emulator

1 Feb 2016 by Kashif-Sohail

Want to develop apps for Microsoft Band, while having no band device? It is now possible. Test out your app with Band on the Run.

Programming Windows 10 Desktop: UWP Focus (10 of N)

6 Dec 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 10 Refactoring sometimes means fixing bugs -- Getting the DailyJournal FileName format working.

Programming Windows 10 Desktop: UWP Focus (11 of N)

7 Dec 2017 by raddevus

Get Started in UWP (moving away from WinForm) Chapter 11 LoadFileFromStorage - When changes from this chapter are complete you'll have an app which saves all entries and loads them from files.

Securing Communications via Certificate Pinning in UWP

5 Feb 2018 by Lee P Richardson

This blog entry looks at what certificate pinning is, why you'd want it, and how to implement it.

Creating a Settings Screen for UWP with Codon

29 Mar 2019 by Daniel Vaughan

Create a dynamic settings screen for your UWP app. Add a setting with a single line of code.

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

8 Feb 2024 by Sander Rossel

Adding to the already plenty solutions, I've asked myself this question recently. For a customer, I need to replace old VB6 applications throughout a factory. Web isn't an option as I need to communicate with hardware on the machines (although...

Fill textblock with XML data in code behind

30 Mar 2016 by Richard Deeming

Your code is trying to load the literal string data\stations.xml as an XML document. It's clearly not XML.I suspect you wanted to load an XML file from disk; in which case, you just need to pass the path of the file to the Load method:doc.Load(@"data\stations.xml");If you're going to...

How to generate PDF without using any third party tool (like syncfusion, apitron etc.)

4 May 2016 by Pete O'Hanlon

If you want to save the file without using a 3rd party tool, you are going to have to write code that matches the PDF specification[^]. This is not a trivial task - as you can see, the 1.7 spec runs to 756 pages. If you are just trying to avoid the cost of purchasing a PDF generation tool,...

Async Commands with Codon FX

1 Apr 2018 by Daniel Vaughan

Learn how to leverage the asynchronous ICommand implementation in Codon FX to support commands that kick-off long-running operations.

[Uwp] Make a Resizable Splitview

27 Sep 2018 by Georgeutc

A very simple Resizable SplitView

Edit Template or Edit Additional Templates in Visual Studio XAML without all the Bloat

18 Jun 2020 by SoundersFan

How to edit templates in VS XAML without the bloat

Building apps & games for Xbox One using UWP – Build once and target many

14 Nov 2016 by Simon Jackson

For my sins, I was asked back to FutureDecoded again this year to give a talk on the Microsoft UWP platform, specifically about bringing games to the XboxOne using UWP. By all accounts the session went well (especially as there was standing room only by the time the …

Creating Mixed Dimension application for HoloLens

15 Jun 2017 by Vinothkumar Arputharaj

This article will show how to create a mixed dimension (2d+3D) application on HoloLens and switch between 2D and 3D views

Formating XAML for Readability

28 Oct 2017 by webmaster442

How to format your XAML documents for effective version handling & maximum maintainability

Why do listview.headertemplate and listview.itemtemplate (UWP XAML) display differently even though I use the exact same XAML?

12 Dec 2017 by raddevus

Apparently ListItems will not stretch to fill a space, but the Header item will. To fix the problem you have to add the following to your ListView ...

25 Mar 2018 by Matej Pavlů

Creating a replacement for missing TileBrush known from WPF

How To Push Updates to Raspberry Pi UWP Apps in Prod

27 May 2018 by Lee P Richardson

How to push updates to Raspberry Pi UWP apps in prod

What is the best API for getting wifi information in C#?

3 Jul 2018 by Ammar Shaukat

I've found the solution. using WifiAdapter class in UWP, you can get all the necessary information using C# in UWP. here is the complete guide to use this class.

How do I fix sqlite error 5: 'database is locked' in UWP enviroment ?

14 Jan 2019 by Graeme_Grant

From what I can see from the limited code provided, You're creating multiple Connections to the DB. For SQLite, this can cause what you are experiencing. Try setting Pragma journal mode=Wal to allow multiple operations on the DB. You can read more here: Write-Ahead Logging[^]

How can I make my C# .NET application as my windows 10 login screen?

28 May 2020 by OriginalGriff

You can't "replace" the Windows login - even an overlay app would require the user logged in before it was run, as only services can run before a user logs in - and they cannot interact with the user in any way, form or manner. If you think...

C++/winrt: how to get attributes of the current user

24 Jul 2020 by twhall

[Full disclosure: I've posted a similar question (same subject line) on "another developer forum" and received an answer there that isn't wholly satisfactory. I'm slightly rephrasing the question here in the hopes of maybe getting something...

How can I make an UWP textblock with text have a button as a parent control

26 Jul 2022 by Richard Deeming

You're trying to set both the Content property and the content of the element. You can't set both at the same time. Try:

21 Aug 2018 by Gene Cole (CFSW)

Integrating Sqlite into your Visual Studio/C# application.

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

7 Feb 2024 by honey the codewitch

I'm used to being able to whip up a simple to moderately complicated windows application using Windows Forms, and being able to get it to lay out everything without too much fuss. I can spend most of my time on the logic. This is good. Now, with...

How to make a ListView or GridView scroll horizntally (left and right) in XAML

29 Oct 2015 by Irina Pykhova

MS changed scrolling direction to vertical intentionally in UWP. If you need horizontal scrolling, you should define own style with control template. Take default style: https://msdn.microsoft.com/en-us/library/windows/apps/mt299128.aspx and change all things about orientation

How do I create a checkboard UI in UWP/WPF/XAML?

30 Dec 2015 by Sergey Alexandrovich Kryukov

I can answer in detail just on WPF. I hope you can use these ideas for Universal Application as well.For the game field control, use Canvas. This control allows to position UI elements at arbitrary positions, so they can overlap. You can simply put 8x8 elements of the type Rectangle to...

How do I perform drag and drop in UWP?

7 Jan 2016 by Jochen Arndt

I don't know UWP but I will try to help.While you are using drag and drop inside one control type you should still differentiate between source and destination. DragEventHandler is for drag events on the destination only.Source (UIElement events)UIElement.DragStarting...

Why doesn't the Drop event fire in my UWP test app?

10 Jan 2016 by Jochen Arndt

I did not know UWP. But I know about Drag & Drop with Windows and think that this answers your questions.You are missing that you must also handle the DragOver event and that the handlers must set the DragEventArgs Class[^] Effect Property[^] to indicate what is allowed.The effect...

Call recorder C# .NET UWP winrt

26 Mar 2016 by Sergey Alexandrovich Kryukov

Please see my article Practical Sound Recorder with Sound Activation[^].It is not a UWP but is in WPF, but it doesn't matter, because its audio part is tiny, clearly written in a separate file and class and can be used anywhere where you can use legacy Windows API. Actually, this part of API...

BLE on windows 10 desktop

10 Apr 2016 by Andrea@Favero

I need to write an application on Windows 10 desktop, to test and develop some embedded products with BLE. I know that BLE is more mature on iOS and Android (and even on Windows Phone), but we are used to Windows Desktop applications, developed in Visual Studio 2015, in c#.I already...

[UWP, C#] account name not appear

7 Apr 2016 by Luiey Ichigo

Hi,I'm having problem to appearing the account user name. Can someone specify what's problem that I'm facing right now? Just first day of UWP and C#.XAML:

BLE on windows 10 desktop

10 Apr 2016 by Andrea@Favero

Update: I found the way to include the Windows 10 runtime.Add a reference to C:\Program Files (x86)\Windows Kits\10\UnionMetadata\Windows.winmdThanks the same :-)

UWP and development on Xbox One

6 May 2016 by Simon Jackson

A break down on the different modes of Xbox One development and clear direction of what is possible with the new UWP Retail unlock mode. Enable all devs to sideload and develop on the Xbox One UWP Platform

How to implement rijndael symmetric encryption in uwp. Install-package cryptorgaph

10 May 2016 by Richard MacCutchan

See Cryptography for UWP apps on Windows 10[^].

How to validate URL while calling an API in C# ?

21 May 2016 by OriginalGriff

You need to provide the protocol in the request. Try:HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, "http://api.openweathermap.org/data/2.5/weather?q=" + cityName + "," + countryName);

How I can set the background image for a canvas in xaml in uwp

1 Jun 2016 by rlprakash

ImageBrush ib = new ImageBrush();ib.ImageSource = new BitmapImage(new Uri(selecteditem.Imageurl, UriKind.RelativeOrAbsolute));My_canvas..Background = ib;

How do I register events from two players in UWP?

17 Jun 2016 by Sergey Alexandrovich Kryukov

Your speculations are invalid. Nothing is forgotten, by one simple reason: you are the one who make the keyboard event data "remembered". The basic architectural paradigm of proper processing is called "dispatching". That's right, you can handle KeyDown and may sometimes need KeyUp, and you...

How do I change a value after a _click event has taken place?

18 Jun 2016 by OriginalGriff

You can't run code "after" the event handler finishes, and there isn't anything which occurs automatically once the event handler is finished - unless you have added extra handlers to the same event, in which case they will be executed in turn. So check the event and make sure that you haven't...

What is the smartest way to detect keypresses in uwp?

29 Dec 2016 by Richard MacCutchan

See keyboard uwp - Google Search[^].

How to update list view item after click?

31 Jan 2017 by dexi lin

You can add or remove the ListView item by ObservableCollection.Make the ListView item source to ObservableCollection that can update when you add or remove the item.If you want to click the item and the item show more,you can make the Item'content visibility is hide and when you click ,make...

Extending Content/Message Dialog Class in UWP to Avoid Crash

31 Mar 2017 by P_Dash

Showing multiple dialogs concurrently in UWP

Windows-Phone-8

Windows 10 mobile emulator on windows 10 home

19 Aug 2017 by Richard MacCutchan

See Introduction to Hyper-V on Windows 10 | Microsoft Docs[^].

How do I properly insert image "chunks" into a grid in a larger image?

10 Jan 2018 by Dylan Green

Put simply, I need help creating an algorithm that places the images in a larger image in a grid. Currently, I'm working on a system that can be used to generate infinite random maps based on the x and y coordinates of a panel. A core piece of functionality is the ability to subdivide this...

Self Evaluating Command for MVVM Pattern

14 Jan 2018 by Matej Pavlů

ActionCommand variant that tracks changes of properties and raises CanExecuteChange event on its own.

UWP - entity framework core (dbcontext) access to list submember

19 Feb 2018 by Scolo

Hi All, I am having a lot of trouble with this and been investigating many many hours, so I am completely stuck. I followed the tutorial in the page: Getting Started on UWP - New Database - EF Core | Microsoft Docs This is to create a SQLite database and be able to use it in UWP with...

entity-framework

UWP - entity framework core (dbcontext) binding to dbset not updating

16 Feb 2018 by Scolo

Hi all, I am working in UWP with EntityFrameWorkCore and SQLite. I am trying to bind to my DbSet, but it doesn't update. I could make my binding work when I change the property Name, it gets updated. But the ListView doesn't update when I add/remove items to/from my DbSet. Here is my code: ...

entity-framework

How to call C function in universal windows platform app?

8 Mar 2018 by Richard MacCutchan

See c# - How to call a function from DLL in UWP? - Stack Overflow[^].

What is the best API for getting wifi information in C#?

3 Jul 2018 by Ammar Shaukat

I'm working on a C# .NET Framework Application. I've to get Information about Wifi like Wifi SSID Wifi SSID Mac Wifi Local IP Wifi DNS1 and DNS2 Wifi External IP Wifi DHCP Server Wifi Gateway Wifi Link Speed etc Is there any modern C# API available for windows? What I have tried: ...

Getting Elevation Data from a Bing Map

5 Jul 2018 by Gene Cole (CFSW)

Using HTTP with Bing Maps to get Elevation Data

How do I fix sqlite error 5: 'database is locked' in UWP enviroment ?

14 Jan 2019 by #realJSOP

Google is your friend: How to Fix SQLite Error Database is Locked - Error Code 5[^]

How do I fix sqlite error 5: 'database is locked' in UWP enviroment ?

14 Jan 2019 by Member 11334477

Thank you guys.... problem solved modifing a previous SELECT command as follows: using (SqliteConnection db = new SqliteConnection("Filename=" + CommonVars.filePath)) { using (SqliteCommand SQLcmd = new SqliteCommand()) { ...

How do I extract image collection from a HEIF container and vice versa ?

3 Aug 2019 by Member 13674745

HEIF is not so new container format that allows the compression of multiple images, their colour profiles and thumbnails. Microsoft has recently added support to Windows 10 with HEIF Image Extensions that only decodes the master image in the container. Other C++ libraries exist online like ...

How to set a button's image background and keep showing while it is disabled?

19 Apr 2020 by BillWoodruff

By doing this, you would violate Windows user interface guidelines, and confuse users. If you want to "turn off" the behavior you have defined for a Control, here's an example: btnRender.Click -= btnRender_Click; This removes a specific...

How can I make my C# .NET application as my windows 10 login screen?

28 May 2020 by Dave Kreskowiak

You cannot replace the logon screen. Doing so would be a MASSIVE security risk. Also, if you could do it, you would need a disposable machine just to test it. Get ANYTHING wrong and you'll cause the code to crash, rendering the machine...

How can I make an UWP textblock with text have a button as a parent control

26 Jul 2022 by Le lance Flamer 2022

Sorry if the name of the question is too long, I don't really know how to make it smaller because English isn't my native language. NOTE: It is UWP C#, not C# alone (XAML + C#). Also, the icon is from the font "Segoe MDL2 Assets". My goal is to...

HI GUYS I need to add three marks which is in a textblock and display I

29 Sep 2022 by Gerry Schmitz

public int total => mark + mark1 + mark2;

Is there any scope for uwp developer now a days?

5 Oct 2022 by Richard MacCutchan

This is a common question, and one that is impossible to answer. If you want to know what opportunities are available then you need to look at the local trade press to see which companies are recruiting and what skills they are looking for.

Problem in calling the data base

14 Oct 2022 by CHill60

You need to call the code that is provided in the blog i.e. private void button_Click(object sender, RoutedEventArgs e) { CreateDatabase(); } I advise you rename the event handler to something more meaningful e.g.

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

7 Feb 2024 by Richard MacCutchan

Roger Deutsch wrote a series of articles on the subject: Programming Windows 10: UWP Focus (1 of N)[^]. I worked through it all and built the examples successfully. But as all my programming is just for fun I don't think I will use it much in future.

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

7 Feb 2024 by Pete O'Hanlon

My answer, cross posted from the lounge[^]. If I were still using XAML, I would use Blend with it. It takes a little bit of getting used to, but it's far superior to working with the layout designers in VS. When I do have to write a pure desktop...

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

8 Feb 2024 by logica

Try Flutter, You Won't Be Disappointed I faced the same dilemma as you - choosing the right framework for my next project. I evaluated numerous options, finally deciding on Flutter: it was a game-changer! The development speed and stunning...

Winforms is dying and using XAML and the designers for it is like pulling teeth. What now?

8 Feb 2024 by Mitchell J.

It's been agessss since I posted here but I came here on a whim this morning and saw this question & it caught my attention As others above have said, Avalonia, .NET MAUI, and WinUI 3 are all decent options. I also find (found?) writing XAML to...