921 questions
921 questions with Windows development | Windows App SDK tags
0 answers
Maui App crashes on Iphone
So my first Maui app works fine in Debug mode but when I deploy it via Testflight it aborts immediately. I'm at a loss at what else I can try. Using Visual Studio 2022 , deploying via a paired mac to IOS 18. The full dump from the crash follows there…
Windows development | Windows App SDK
asked 2025-09-16T04:24:18.5066667+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(128, 22%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJT%3C/text%3E%3C/svg%3E)
John Ticehurst
0
Reputation points
asked 2025-09-16T04:24:18.5066667+00:00
John Ticehurst
0
Reputation points
1 answer
How can we explicitly register all high-level interaction events for every widget in WinUI3 at once?
Hi, I'm developing a WinUI 3 desktop application using pure C++ (without XAML). My project is quite complex: it will have multiple windows (at least 5), and each window may contain 500 or more widgets. I want to handle high-level events such as pointer…
Windows development | Windows App SDK
921 questions
asked 2025-08-22T07:05:54.45+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
answered 2025-09-16T03:14:23.2766667+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(54.400000000000006, 39%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETD%3C/text%3E%3C/svg%3E)
Tony Dinh (WICLOUD CORPORATION)
955
Reputation points Microsoft External Staff
2 answers
Can I install WinRT 15063 on Windows 1607 LTSB?
I have an application that uses a bluetooth device, which has an API (built by a 3rd party) that uses namespaces from Windows SDK build 15063, but has to run on a computer running Windows 10 v1607 LTSB. The API accesses the GattDeviceService class and…
Windows development | Windows App SDK
921 questions
asked 2025-09-01T16:45:01.53+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(134.4, 95%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECD%3C/text%3E%3C/svg%3E)
Colm de Cleir
136
Reputation points
answered 2025-09-16T02:39:58.85+00:00
Tony Dinh (WICLOUD CORPORATION)
955
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
URGENT : How to use ESIMWATCHER class during development phase.
Hi, I have been working on a product for a client, that requires the usage of ESIMWATCHER class. I know it is a custom capability that needs to be declared in package manifest and then needs to be submitted for approval of custom capability. But all…
Windows development | Windows App SDK
921 questions
asked 2025-09-02T11:56:10.6833333+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(73.60000000000001, 66%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAG%3C/text%3E%3C/svg%3E)
Abhishek Gupta
20
Reputation points
accepted 2025-09-15T23:30:33.6+00:00
Abhishek Gupta
20
Reputation points
0 answers
Hello can any one help me to be able to set the data context for the window and page and uaer control for my winui3 app
Hi I am creating a winui3 app and i have a 2 pages and I have a class that contains 2 Bindable properites and i want to set the data context for the 2 pages to be this class to be able to bind this bindable properites to the 2 pages elements. …
Windows development | Windows App SDK
921 questions
asked 2025-09-06T09:48:29.7033333+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, 6%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EOM%3C/text%3E%3C/svg%3E)
Omar Mohamed
20
Reputation points
commented 2025-09-15T04:08:57.1266667+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(105.60000000000001, 86%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Harry Vo (WICLOUD CORPORATION)
1,875
Reputation points Microsoft External Staff
2 answers
Exception downloading a DLC from Microsoft Store using WinUI 3 app.
I am using the method StoreContext.DownloadAndInstallStorePackagesAsync to download a DLC from Microsoft Store. The documentation describes that the method does not display UI dialog to the user. In an UWP sample, the code below works ok. StoreContext…
Windows development | Windows App SDK
921 questions
asked 2025-09-08T16:07:52.6633333+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(249.60000000000002, 95%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBL%3C/text%3E%3C/svg%3E)
Bruno Lima
1
Reputation point
commented 2025-09-15T02:59:16.7066667+00:00
Harry Vo (WICLOUD CORPORATION)
1,875
Reputation points Microsoft External Staff
1 answer
How to set icons for task manager and task bar for packaged WINUI3 Application
I am having problems with setting up icons with task bar and task manager. Task manager - I get the default icon for the first line but the app icon is set ok on the second line With my task bar i get a blue background on my icon instead of transparent.…
Windows development | Windows App SDK
921 questions
asked 2025-09-10T06:21:40.9233333+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(137.6, 27%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJA%3C/text%3E%3C/svg%3E)
J Ang
0
Reputation points
commented 2025-09-15T02:58:03.01+00:00
Harry Vo (WICLOUD CORPORATION)
1,875
Reputation points Microsoft External Staff
2 answers
StorageProviderSyncRootManager.Unregister sync root not unregistering on uninstallation
https://learn.microsoft.com/en-us/uwp/api/windows.storage.provider.storageprovidersyncrootmanager.unregister this site states Packaged desktop apps do not need to call this method on uninstall, because the sync root will be automatically unregistered by…
Windows development | Windows App SDK
921 questions
asked 2025-09-10T19:34:20.1833333+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(124.80000000000001, 34%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKD%3C/text%3E%3C/svg%3E)
Kai DeLorenzo
0
Reputation points
commented 2025-09-15T02:56:13.4466667+00:00
Harry Vo (WICLOUD CORPORATION)
1,875
Reputation points Microsoft External Staff
1 answer
One of the answers was accepted by the question author.
I can't submit .msix package to MS Stroe anymore?!
Recently, the Windows App SDK was updated to version 1.8, and I upgraded my application to WAS1.8. It generated a new msixbundle bundle, so I submitted a new msixbundle in the new version. Unfortunately, WAS1.8 has a serious bug that can damage my…
Windows development | Windows App SDK
921 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(275.2, 92%, 36%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EA%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Display a content dialog
In winUI, for some reason, to display a Content Dialog, you need an "xaml root" like this private async void ShowDialog_Click(object sender, RoutedEventArgs e) { ContentDialog dialog = new ContentDialog(); // XamlRoot must be set in…
Windows development | Windows App SDK
921 questions
asked 2023-07-05T20:55:16.99+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(76.8, 5%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EEG%3C/text%3E%3C/svg%3E)
Eduardo Gomez
3,791
Reputation points
commented 2025-09-11T08:35:54.3633333+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, 40%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ELC%3C/text%3E%3C/svg%3E)
Ludovico Clementi
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Hello I am making a winui3 app and i want to make the navigation view in my app looks like the style that is founded in microsoft store
I want to implement the same style of navigation that is founded in microsoft store to my winui3 app can any one help me. Thanks to everyone
Windows development | Windows App SDK
921 questions
asked 2025-09-03T14:21:33.2733333+00:00
Omar Mohamed
20
Reputation points
commented 2025-09-05T19:09:27.7566667+00:00
Omar Mohamed
20
Reputation points
1 answer
Convert WPF solution to winui3 + win32
HI Could you please guide me to convert the wpf application to WinUI3 + win32 application. I have wpf solution in hand. now i need to convert that solution to winui3. i have all the setup ready for winui3 development.
Windows development | Windows App SDK
921 questions
asked 2021-11-04T09:51:40.393+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(166.4, 8%, 26%)' 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)
MM, Sunil
86
Reputation points
answered 2025-09-03T15:30:02.12+00:00
Omar Mohamed
20
Reputation points
1 answer
Issue Installing Microsoft.WindowsAppSDK v1.7.3 with net8.0-windows10.0.19041.0 Target Framework
Hello, Please, I need help regarding a compatibility issue. I am currently using the following target framework in my project: <TargetFramework>net8.0-windows10.0.19041.0</TargetFramework> <PropertyGroup…
Windows development | Windows App SDK
921 questions
asked 2025-08-28T11:19:47.3733333+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(291.2, 38%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMA%3C/text%3E%3C/svg%3E)
Mosabbir Alam
0
Reputation points
commented 2025-08-29T13:29:26.75+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
2,356
Reputation points
1 answer
One of the answers was accepted by the question author.
WinUI packaged app does not produce _bundle.msixupload file
I created a simple WinUI Blank App (packaged), but I have not been able to produce a bundle file for Microsoft Store submission. Here is what I did. Right-click the project > Package and Publish > Associate App with the Store Right-click the…
Windows development | Windows App SDK
921 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)
1 answer
One of the answers was accepted by the question author.
What is a context which allows MemberwiseClone() to be called
I have a Person class and a ocPeople class defined as: ocPeople = ObservableCollection(Of Person) ocPeople is used as the ItemsSource for a ComboBox. What I want to do is to create another ObservableCollection(Of Person) which is the original with the…
Windows development | Windows App SDK
921 questions
asked 2025-08-07T22:08:10.11+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(12.8, 34%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER7%3C/text%3E%3C/svg%3E)
RogerSchlueter-7899
1,486
Reputation points
commented 2025-08-12T01:47:03.0866667+00:00
RogerSchlueter-7899
1,486
Reputation points
0 answers
UDTs in IDL cause C2787 in Visual Studio C++ because of faulty DECLSPEC location in generated interface definition header file
As mentioned in https://developercommunity.visualstudio.com/t/UDTs-in-IDL-cause-C2787-because-of-fault/10947425, the MIDL compiler appears to put the uuid in front of, instead of after, the "struct" keyword in the generated header file, causing…
Windows development | Windows App SDK
921 questions
asked 2025-08-11T07:22:16.7733333+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(83.2, 3%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGL%3C/text%3E%3C/svg%3E)
Gert Leunen
0
Reputation points
asked 2025-08-11T07:22:16.7733333+00:00
Gert Leunen
0
Reputation points
1 answer
SignTool Error: This file format cannot be signed because it is not recognized
I have been attempting to sign a .cat file, but I keep getting the error message that the file format is not recognized. I thought that maybe it was the file itself, so I tried with .pdf, .txt, and .exe files, but the same thing happens. I have a valid…
Windows development | Windows App SDK
921 questions
asked 2025-08-03T10:31:30.09+00:00
Nerd With Coffee
0
Reputation points
commented 2025-08-08T20:39:41.09+00:00
Nerd With Coffee
0
Reputation points
0 answers
WinRT Windows.Graphics.Capture leads to application freezing
I use WinRT Windows.Graphics.Capture to capture screens or windows. My code is almost identical to WebRTC's implementation. User reported that the application freezes when quitting. The stack trace is: 00 000000e5`783fd058 00007ffb`93a28422 …
Windows development | Windows App SDK
921 questions
asked 2025-08-07T09:38:32.49+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(105.60000000000001, 43%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDL%3C/text%3E%3C/svg%3E)
Derek Lu
0
Reputation points
edited the question 2025-08-07T16:27:43.47+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(3.2, 52%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERC%3C/text%3E%3C/svg%3E)
Rob Caplan - MSFT
6,127
Reputation points Microsoft Employee
Moderator
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 always fails (undelivered). I need to map my app PFN to its Azure AppId. without this critical step the WNS will not…
Windows development | Windows App SDK
921 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 a comment 2025-08-07T09:46:55.6866667+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(246.4, 13%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKP%3C/text%3E%3C/svg%3E)
Kiran P
8,235
Reputation points Microsoft External Staff
Volunteer Moderator
0 answers
Install a MSIX Sparse Package using ProvisionPackageForAllUsersAsync is not always worked
Hi team, In my code, I use PackageManager.StagePackageByUriAsync and PackageManager.ProvisionPackageForAllUsersAsync to install the package for all users in Win11 machine. The package is a MSIX Sparse Package used for the Modern Context Menu. The…
Windows development | Windows App SDK
921 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(3.2, 55.00000000000001%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EG%3C/text%3E%3C/svg%3E)