897 questions
897 questions with Windows development | Windows App SDK tags
1 answer
One of the answers was accepted by the question author.
Is rebuilding the entire visual tree per interaction (immediate-mode style) encouraged in WinUI 3?
Hi, I'm working on WinUI3 desktop application in C++ without XAML. I've been experimenting with building UIs in a more "immediate-mode" style using WinUI 3, basically clearing and rebuilding the entire visual tree every time the user interacts…
Windows development | Windows App SDK
asked 2025-07-07T09:04:46.7233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 44%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
Harshithraj1871
1,706
Reputation points
commented 2025-07-08T05:40:54.5266667+00:00
Harshithraj1871
1,706
Reputation points
0 answers
C# mapping array of GUI controls array of data members
I have arrays containing information that needs to be reflected in toggle switches (using radio buttons). Currently it's Boolean (true / false) data. If true radio box is set, if false it's not set. Pretty simple. There's a few more details as if is true…
Windows development | Windows App SDK
897 questions
0 answers
Developer registration page broken
There is a broken file-uploader here and I cant go to the next step : ( https://partner.microsoft.com/en-us/dashboard/account/exp/enrollnow/partner Pease see image and here is the cid: **ac0e2811-9b71-416f-9e61-f12fbd09ab69 ** I tried many times…
Windows development | Windows App SDK
897 questions
asked 2025-07-07T23:51:53.93+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(294.40000000000003, 72%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJW%3C/text%3E%3C/svg%3E)
Jesper Wilfing
0
Reputation points
asked 2025-07-07T23:51:53.93+00:00
Jesper Wilfing
0
Reputation points
0 answers
How to fix Access violation exception thrown from inside winrt/base.h when trying to access CsWinRTComponent from c++/winrt WinUI3 project?
We are working on a large commercial project which used to run on UWP platform (using both c# and c++/CX). Currently, we are migrating to c++/Winrt WinUI3. For some specific reasons, we can't migrate all the modules of our app at one go. If we try to…
Windows development | Windows App SDK
897 questions
asked 2025-07-03T13:55:50.8533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 18%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EZH%3C/text%3E%3C/svg%3E)
Zahid Hasan
0
Reputation points
commented 2025-07-07T16:37:59.3166667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 13%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDR%3C/text%3E%3C/svg%3E)
Darran Rowe
2,071
Reputation points
0 answers
C++/WinRT language projection
Hi, I am trying to create language projection for my C++/WinRT component. I have a runtime class with Add method. I am able to successfully create the WinRT component. after that able to reference and create C# laguage projection for my C++/WinRT…
Windows development | Windows App SDK
897 questions
asked 2025-07-04T12:13:24.4633333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 31%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
Arvind Kumar
20
Reputation points
commented 2025-07-04T15:41:22.5733333+00:00
Darran Rowe
2,071
Reputation points
0 answers
C# bind custom form component to abstract data type
I have an abstract class that contains the status of a system. I need to bind that status held in an abstract class to a form. More specifically to a form component I designed. Is there a clear way to do this?E.g. the component I designed has a series of…
Windows development | Windows App SDK
897 questions
0 answers
How to extract digital signature from X.509 certificate using Windows CryptoAPI (C++)?
I'm writing a proof-of-concept in C++ on Windows to extract the digital signature (not the signature algorithm, but the actual BIT STRING of the signature) from an X.509 certificate. Is there a Windows CryptoAPI (Wincrypt.h) or other native Windows API…
Windows development | Windows App SDK
897 questions
asked 2025-07-02T16:51:00.5966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(275.2, 61%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVS%3C/text%3E%3C/svg%3E)
Vatsala Shanubhag
0
Reputation points
asked 2025-07-02T16:51:00.5966667+00:00
Vatsala Shanubhag
0
Reputation points
0 answers
WinUI3 : How to build a tokenized text input
Hi, I'm building a desktop app using WinUI 3 in C++/WinRT (no XAML, code-only approach), and I'm trying to create a text input experience where users can type words, and once they hit space or Enter, that word turns into a token or…
Windows development | Windows App SDK
897 questions
asked 2025-06-30T06:11:07.7733333+00:00
Harshithraj1871
1,706
Reputation points
asked 2025-06-30T06:11:07.7733333+00:00
Harshithraj1871
1,706
Reputation points
1 answer
how to edit the dom in webview2 as webbrowser?
I am using webView2 and I want to edit the textBox and click a button I know in webbrowser in winform I can get the dom of it But maybe can not in webview2 right?
Windows development | Windows App SDK
897 questions
asked 2025-06-29T02:44:01.6866667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(310.4, 2%, 40%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EM%3C/text%3E%3C/svg%3E)
mc
5,511
Reputation points
answered 2025-06-29T13:50:26.9666667+00:00
Castorix31
90,686
Reputation points
0 answers
My Taskbar badges don't work (BadgeUpdateManager)
hi everyone, I have migrated a old app to WinUI 3 app using Windows App SDK (latest version), one of the reasons was i wanted to use badge notifications (info on taskbar app icon). After weeks of work, my application is finally completed and it works…
Windows development | Windows App SDK
897 questions
1 answer
How to style Tabview with Tabviewitems and how to remove default Tooltip for TabViewitem? WinUI3
Hi I am creating Winui3Application with Tabview control having 3 tabviewitems like header1,Header2,Header and i want to change the selected tabviewItemhedader background color i did not find any particular style for Tabview control Any…
Windows development | Windows App SDK
897 questions
asked 2022-08-16T14:57:11.983+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(304, 83%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ES%3C/text%3E%3C/svg%3E)
Sachi
221
Reputation points
commented 2025-06-27T04:09:53.53+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 19%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYY%3C/text%3E%3C/svg%3E)
Yunling YL2 An
0
Reputation points
0 answers
Setting UIElement Properties in Bulk in WinUI 3
I'm developing a WinUI 3 desktop application using C++ (without XAML) and working with a multithreaded architecture. The idea is to gather and prepare all UI control properties (such as font, color, size, etc.) in a background (worker) thread and then…
Windows development | Windows App SDK
897 questions
asked 2025-06-23T13:44:35.66+00:00
Harshithraj1871
1,706
Reputation points
commented 2025-06-25T15:35:16.2533333+00:00
Darran Rowe
2,071
Reputation points
1 answer
IMFCaptureSource::GetAvailableDeviceMediaType returns 0xC00D36B2 (The request is invalid in the current state. )
Why and/or what is the origin of this resultcode? I can't find anything that explains on docs what this result actually means and how to resolve this. Thank you.
Windows development | Windows App SDK
897 questions
Windows development | Windows API - Win32
2,790 questions
asked 2022-04-24T23:45:13.197+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(169.60000000000002, 7.000000000000001%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ET%3C/text%3E%3C/svg%3E)
Tony
96
Reputation points
edited a comment 2025-06-19T01:21:32.9233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 15%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPP%3C/text%3E%3C/svg%3E)
Player Plays
0
Reputation points
0 answers
Error 0x80090027 when signing using Signtool /ds
Description When attempting to sign a file using the /ds command I am receiving the following error: Done Adding Additional Store SignTool Error: SignedCode::Sign returned error: 0x80090027 The parameter is incorrect. SignTool Error: An error occurred…
Windows development | Windows App SDK
897 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(307.2, 27%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJ%3C/text%3E%3C/svg%3E)
0 answers
XAML code autocomplete (Intellisense) is disabled/ greyed out and can't be enabled
Hard case here: After i installed a WinUI Preview version the WinUI Templates disappeared after weeks of installation (it's a known bug but i can't find the link anymore). Nothing helped but a reinstallation with previous removal of all VS…
Windows development | Windows App SDK
897 questions
Developer technologies | Visual Studio | Debugging
1,104 questions
asked 2022-06-26T10:09:34.423+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(67.2, 85%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
youki
1,021
Reputation points
commented 2025-05-22T02:37:50.23+00:00
Darran Rowe
2,071
Reputation points
1 answer
One of the answers was accepted by the question author.
Audio Graph Can not createFileOutputNode in WinUI 3 C++/Winrt Project,
I am migrating from UWP C# app to WinUI 3 C++/WinRT project regarding a Audio Recorder using Audio Graph. But after graph.createFileOutputNode(voiceFile, encodingProfile), Status returned is UnknownFailure. Similar code worked for UWP C# code I call…
Windows development | Windows App SDK
897 questions
asked 2025-05-16T08:40:08.5433333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(240, 8%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMN%3C/text%3E%3C/svg%3E)
Md. Niaz Mahmud
171
Reputation points
commented 2025-05-20T14:59:54.1+00:00
Darran Rowe
2,071
Reputation points
0 answers
How to map the App PFN to its Azure AppId?
Hi, I follow the steps in the documentation especially Step 4 (Map your app's Package Family Name to its Azure AppId) but the email to Win_App_SDK_Push@microsoft.com always fails (undelivered). I need to map my app PFN to its Azure AppId. without this…
Windows development | Windows App SDK
897 questions
asked 2025-05-18T13:51:59.7233333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 73%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMS%3C/text%3E%3C/svg%3E)
Microlead Software
76
Reputation points
edited the question 2025-05-20T06:14:22.7333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(265.6, 22%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESE%3C/text%3E%3C/svg%3E)
Shireesha Eeraboina
3,435
Reputation points Microsoft External Staff
Moderator
0 answers
How to read and set the Advanced Sharing Settings (All networks)
How to read and set the Advanced Sharing Settings (All networks) for windows 10 , 11 thanks
Windows development | Windows App SDK
897 questions
asked 2025-05-16T22:13:29.3566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(0, 89%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDM%3C/text%3E%3C/svg%3E)
David McClanahan
1
Reputation point
edited a comment 2025-05-20T00:31:24.54+00:00
David McClanahan
1
Reputation point
0 answers
Windows Performance Analyzer shows no data for NPU utilization
After recording Neural Processing Activity by WPR with latest ADK version, and open recording by WPA, i can see no data for NPU activity. Microsoft® Windows® Performance Analyzer 11.7.383.39833 Microsoft® Performance Toolkit SDK 1.2.2.5750 Event…
Windows development | Windows App SDK
897 questions
asked 2025-05-19T18:29:19.32+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(214.4, 1%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEV%3C/text%3E%3C/svg%3E)
Evgeny Vasilenko
0
Reputation points
asked 2025-05-19T18:29:19.32+00:00
Evgeny Vasilenko
0
Reputation points
0 answers
GetThumbnailAsync() throws Class not registered (Exception from HRESULT: 0x80040154)
The following code of a UWP works fine usually: StorageItemThumbnail siThumbnail = await myStorageFileMedia.GetThumbnailAsync( ThumbnailMode.PicturesView, 300, ThumbnailOptions.UseCurrentScale); It…
Windows development | Windows App SDK
897 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(256, 0%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)