Click here to Skip to main content

Submit your article

Universal Windows Platform

UWP

Great Reads

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

C# toastnotification - how can I react on closing notification with "x" ?

19 Feb 2024 by Emil12345687

Thank you - very good thoughts... You're completely right, it seems that it works like it should - it really would be a security issue if the behaviour clicking on "x" could be modified...

C# toastnotification - how can I react on closing notification with "x" ?

15 Feb 2024 by Emil12345687

Hello, i use ToastNotifications in my C# Application. Using the Microsoft.Toolkit.Uwp.Notifications NuGet Package. Content is build with ToastContentBuilder. I added the ToastNotificationManagerCompat.OnActivated event in my Application_Startup...

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...

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...

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?

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?

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 Graeme_Grant

If you want to rant, shoot the breeze, etc, then use The Lounge[^] forum. This is for those who are stuck or stumped and need help with code.

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 an installer created in inno setup to be uploaded in windows store

14 Aug 2023 by Member 16071191

I tried that too. MS Store now accepts EXE installers. There are a few requirements: * The program EXE and the installer EXE must be signed with a Authenticode EV certificate ( those that require USB security stick when signing ) This EV...

Why bluetooth UWP app during connection gives access is denied

8 May 2023 by Aryaveer Chaudhary

this is my code i am trying to setup a rfcomm connection with a mobile device and after that i wanna setup hfp service level connection so that i can call frommy windows pc and it gives Failed to get Bluetooth device from ID...

Why requestaccessasync gives denied by system in phonelinetransportdevice windows

25 Apr 2023 by Aryaveer Chaudhary

DeviceInformationCollection devices = await DeviceInformation.FindAllAsync(PhoneLineTransportDevice.GetDeviceSelector(PhoneLineTransport.Bluetooth)); for (int i = 0; i

UWP apps doesn't show any controls

4 Mar 2023 by Member 15925018

How to make UWP Apps show controls? Hi, When I create a UWP App and put controls, they doesn't show! What I have tried: I've tried: A) Putting controls inside the "Page" of MainPage.xaml but it didn't work B) Making them bigger, but no avail C)...

I am working on loading screen in winui3. I want to load images in sequence that gives the transition like a video.

28 Feb 2023 by Member 11343363

This is for the purpose of Loading screen in WinUi3. I tried loading it as gif and mp4. On both scenarios I got the video lagging in different machines. Now I have a 40 frame in png of the video file. I need to have the png images loading in...

How to acess the textblock in list

8 Jan 2023 by alisa brigita

1. i have a textblock in the list which 2. i need to change the forground of text 3. i need to change the background image of the textblock my problem is i can,t change both text and image if anyone know about this please help...

How to create a tree view in uwp xaml

12 Dec 2022 by Ailiseu Brigitta

hii guys i have created a treeview but i can't print the content in the tree view and i can't set the background i have used xmlns:muxc="using:Microsoft.UI.Xaml.Controls" but no use of it can any one find what mistake i have done What I have...

How to create a search by text box in C#

6 Dec 2022 by Ailiseu Brigitta

I have to create a list of students and I need to create a search bar using text box. The student details are in {studentABC}. I need to filter the students by first name and display in a list. It's not working. What am I doing wrong? What I...

How do I add data from sqlite server

30 Nov 2022 by Graeme_Grant

This should help: Use a SQLite database in a UWP app - UWP applications | Microsoft Learn[^] If the above link is not suitable, then here is the google search used: uwp sqlite - Google Search[^]

How do I add data from sqlite server

30 Nov 2022 by Ailiseu Brigitta

i have created add and get function for sqlite server i don't know to call the function i have given the add function in database class i need to call in blanck page 1 the add function is public static void AddEmployee(EmployeeItem...

How do I insert new json data in a text file

28 Nov 2022 by Ailiseu Brigitta

i have read the text file i need to insert a new data in the text file this is the method i have read the text file try { var path = @"text file\\GetAllEmp.txt"; string rawJson =...

How do I insert new json data in a text file

27 Nov 2022 by OriginalGriff

THe only practical way to add data to a JSON file is to add it to the objects(s) you read from the file into your application, then write a new file that includes the old data. JSON is not a database, it's a data transfer format - and it isn't...

How to read a text file of json in C#, uwp

17 Nov 2022 by OriginalGriff

Start with the debugger: put a breakpoint on the first line in the method and step through to find out which instruction throws the exception. Then look at the Exception object to get the error message, stack trace, and any other info it can give...

How to find the exception error in uwp

6 Nov 2022 by Ailiseu Brigitta

i am working with uwp i can't able to find the what mistake i have done in the program when i debug the code is running prety well but i am getting exception error . the error i got i have written in // (error) What I have tried: ...

How to find the exception error in uwp

6 Nov 2022 by OriginalGriff

Read the error message: it's pretty explicit. Your JSON does not match the class you are trying to deserialize into. So use the debugger to look at exactly what the JSON in response contains, and if necessary use an online class constructor ( I...

How do I use web service with parameter in uwp

2 Nov 2022 by Ailiseu Brigitta

hii i am working with uwp project and i don't know how to connect with webservice with parameter in uwp if any one know please teach me What I have tried: i have my web server link which is used to AuthenticateUser { in that link i have xml...

How can I create a table in UWP to store a data

27 Oct 2022 by RickZeeland

You did not specify what database you want to use, if you need only one data file per user you can use LiteDB[^] An example from Getting Started - LiteDB :: A .NET embedded NoSQL database[^]: // Create your POCO class entity public class...

How can I create a table in UWP to store a data

27 Oct 2022 by OriginalGriff

UWP has nothing specific to do with database tables: it's a presentation format that isn't data related. That doesn't mean "you can't use a DB in a UWP app", just that it's irrelevant whether this is a UWP app or not - the DB code is the same. ...

How can I create a table in UWP to store a data

27 Oct 2022 by Ailiseu Brigitta

hii i need help to create a table in uwp with these item to store a data String CREATE_SITEINFO_TABLE = "CREATE TABLE IF NOT EXISTS " + TABLE_SITEINFO + "(" + data_0 + " INTEGER, " + data_1 + " INTEGER, " ...

Problem in calling the data base

17 Oct 2022 by Richard MacCutchan

I have followed the article (link in the question), added the code and the button click handlers. The SQLite installation details are incorrect so I had to install the correct package and change the code to reflect that. My tests run to...

Problem in calling the data base

14 Oct 2022 by Venki Vky

i have created a local data base but i don't know how to call it by clicking on the button.

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.

How to store a data in local using uwp

10 Oct 2022 by Venki Vky

I was given a project to store a data in localdatabase I don't know how to create and store the data in local. eg: if I type a name in a textbox the the name must be store in local database I can't figure it out anyone know about it What I have...

How to store a data in local using uwp

10 Oct 2022 by Richard MacCutchan

You need to decide which database to use. For local you can choose from SQL Express (https://www.microsoft.com/en-gb/sql-server/sql-server-downloads[^]) or SQLite Home Page[^].

Is there any scope for uwp developer now a days?

5 Oct 2022 by Venki Vky

I am learning how to develop a uwp software is there is any scope for it .now a days. which company will select me ? is there is any idea guys What I have tried: if any one know about it please let me know . which platform can i learn android...

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.

How to create a search bar in uwp

3 Oct 2022 by Venki Vky

I NEED TO CREATE A SEARCH BAR IN MY UWP APP ...

Windows-Phone-8.1

How can I get the data in the list in another black page by using selectionchanged please help me

3 Oct 2022 by Venki Vky

How can I get the data in the list in another black page by using selectionchanged please help me

3 Oct 2022 by Venki Vky

I GOT THE ANSWER private void content_SelectionChanged(object sender, SelectionChangedEventArgs e) { Customer selectedItem = content.SelectedItem as Customer; Frame.Navigate(typeof(BlankPage2), selectedItem); ...

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

29 Sep 2022 by Venki Vky

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;

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...

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:

How do I see communication exchange in windows desktop application

11 Mar 2022 by Ramesh K 2022

Dear Friends , I need a help from you all expert , I could not find answer in google and other forum Question : How do I see the calls request response in case of Windows Application (not web) Pls read this objective , So you can help me if...

How do I see communication exchange in windows desktop application

11 Mar 2022 by englebart

If it uses a database to store info, most DB engines have a way to trace calls to the DB and see the results returned. Ask one of developers about the DB.

How do I see communication exchange in windows desktop application

6 Mar 2022 by RickZeeland

Maybe you can use the prefix[^] profiler tool.

In scrollview default size or custom design of scrollview in xaml

17 Dec 2021 by Member 15471479

In my Scrollview, Its width is thin by default, When hovering it, its width becomes normal. But I want a customorized scrollview with a fixed width in xamarin or always default scroll Both vertical and horizontal scroll Any Suggestion Please ...

Insert and read image in SQL server C# database for uwp

7 Dec 2021 by javier ramos lopez

I want to insert image into the database, the Button that opens the Filepicker converts bitmapImage as I can make the image save to the database through the save button. Also read the database for image in the part of showing the data a...

Insert and read image in SQL server C# database for uwp

7 Dec 2021 by OriginalGriff

Photo is not "raw data" - it's a class which contains image data. So when you try to pass the class to SQL, what gets passed is not the image data - it's class information. SQL doesn't know what to do with that as it basically expects raw bytes. ...

How to insert a textblock that is in the combobox for database in SQL server C# uwp

7 Dec 2021 by javier ramos lopez

I have an accept button that is the one that saves the data for the database. I wanted to know how I can insert the ComboBox options private async void BTAccept_Click(object sender, RoutedEventArgs e) { string...

How to insert a textblock that is in the combobox for database in SQL server C# uwp

7 Dec 2021 by javier ramos lopez

at the end I have focused on the combobox theme by removing the Textblock and leaving: now the code to insert the Content of the ComBoboItem into the database: cmd.Parameters.Add("@category", SqlDbType.VarChar,...

How to insert a textblock that is in the combobox for database in SQL server C# uwp

28 Nov 2021 by Richard Deeming

You're doing it wrong. You've already got a view-model, and the controls are bound to properties on that view-model. Rather than extracting values directly from the controls to insert into your database, use the properties on the view-model...

Add a validation message to UWP datagrid control

23 Oct 2021 by ajburge

I am developing an App that utilizes the UWP DataGrid control from the Windows Community Toolkit. The control handles validation by turning the background red for scenarios where I have implemented INotifyDataErrorInfo, GetErrors(), HasErrors()...

Issue in android emulator MAUI

27 Aug 2021 by Mohammad Nawaz

Hi I have created a MAUI project in VS 2022 preview, which is working fine initially with emulator, but now Emulator is not showing. When I create Xamarin project Emulator is showing and application is running on that Emulator. Please help me...

Issue in android emulator MAUI

27 Aug 2021 by Dave Kreskowiak

You should NOT be using a preview product to develop a production application. If you're running into problems with using VS2022, you need to report this problem to Microsoft so they can fix it. THERE IS NO FIX FOR YOUR PROBLEM UNLESS YOU...

API istokenrestricted in advapi32.dll is not supported for this application type. Sni.dll calls this API.

27 Aug 2021 by Mohamed Z Osman

UWP app submission, The following Test fails on the Windows App Certification Kit: Quote: Supported APIs · Error Found: The supported APIs test detected the following errors: o API IsTokenRestricted in advapi32.dll is not supported...

API istokenrestricted in advapi32.dll is not supported for this application type. Sni.dll calls this API.

27 Aug 2021 by Mohamed Z Osman

Loopback flags were indicated as a possible issue. After deactivation, tests still failed. One of the following references was the real culprit: Microsoft.VisualStudio.Services.Client Microsoft.AspNetCore.Mvc.Core...

Issue in android emulator MAUI

26 Aug 2021 by Richard Deeming

You're using a preview product, so there are bound to still be bugs in it. After all, there are still plenty bugs in the non-preview versions! You should report the problem to Microsoft so that they can investigate: Visual Studio Feedback[^] ...

Datacontext becomes null when I use containercontentchanging

30 Jun 2021 by Philosopheur

I have a GridView which display an image in a Grid. This App is based on PhotoLab Sample. ImageGridView_ContainerContentChanging is called when GridWiew is populated. When it's done, I would like to use RightTapped on the grid (which contains an...

A Spritesheet Library and Editor for Win2D

7 Feb 2021 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.

Read packet with serialdevice in UWP

4 Feb 2021 by Mauro Fantina

Hello. I'm developing a UWP application that opens a "SerialDevice" that is a CYPRESS ARM micrcontroller with "Azure RTOS" and "USBX" library. The "USBX" library instantiates CDC ACM connection. The micrcontroller send every second a USB packet...

Want voice input into a textbox, this code do but only once, (UWP C#)

28 Oct 2020 by Member 14977494

SpeechRecognitionEngine s = new SpeechRecognitionEngine(); Grammar words = new DictationGrammar(); s.LoadGrammar(words); try { s.SetInputToDefaultAudioDevice(); ...

Want voice input into a textbox, this code do but only once, (UWP C#)

28 Oct 2020 by Member 13231064

I tried using this code SpeechRecognitionResult speechRecognitionResult = await speechRecognizer.RecognizeAsync(); textBox1.Text = speechRecognitionResult.Text; But it provide output only 1 time but i want to get output continuous till i close it myself. Please help me...

UWP data binding issue

26 Aug 2020 by Gerry Schmitz

Use a SQLite database in a UWP app - UWP applications | Microsoft Docs[^]

UWP data binding issue

26 Aug 2020 by Member 14616529

Hi! Im having a bit of difficulty figuring out how to bind my SQLite database to my datagrid. Ive tried a few different ways as I'm sure you will see in the code below, but, seem to have just lost my way with it. Can anybody see where I am...

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...