Universal Windows Platform (UWP)
A Microsoft platform for building and publishing apps for Windows desktop devices.
3,028 questions
0 answers
Help Needed for Connecting POS Printer via USB in UWP App
Hi Team, I have implemented POS printer functionality in my UWP app. When I connect the POS printer using Bluetooth, it works perfectly. However, when I connect the printer via a USB cable, I’m unable to find a way to detect or connect to the printer…
0 answers
GridView - no frame at item selection on Windows 11
I am using GridView control in my UWP app. The grid shows games cover arts gallery. On Windows 10 i see the grid item gets a frame at item selection, but on Windows 11 no frame appears. How to make it working the same way like on Windows 10?
asked 2024-09-11T09:26:09.9766667+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(307.2, 89%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3E6%3C/text%3E%3C/svg%3E)
60856927
111
Reputation points
commented 2025-04-19T05:29:52.4266667+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, 71%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKR%3C/text%3E%3C/svg%3E)
Körmöndi István
1
Reputation point
0 answers
GetFolderAsync applied to the FutureAccessList delivers error message 2148734499
StorageItemAccessList _lAccess = StorageApplicationPermissions.FutureAccessList; ApplicationDataContainer _localSettings = ApplicationData.Current.LocalSettings; StorageFolder _Public; // _Public captured by the…
asked 2025-04-04T15:02:59.1666667+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, 36%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHS%3C/text%3E%3C/svg%3E)
Herbert Stejdir
0
Reputation points
commented 2025-04-08T06:56:45.36+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(211.20000000000002, 92%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERL%3C/text%3E%3C/svg%3E)
Roy Li - MSFT
34,281
Reputation points Microsoft External Staff
0 answers
customer's add-on UI not showing on their screen
We have a user that is having problem with the add-on UI on their installation. Many many other users this works just fine. For some reason, the purchase dialog does not appear when prompted. He is getting this with our application and another…
asked 2025-03-21T18:14:42.64+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, 79%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKK%3C/text%3E%3C/svg%3E)
Karhu Koti
46
Reputation points
commented 2025-04-04T17:07:35.6066667+00:00
Karhu Koti
46
Reputation points
0 answers
what is the best option in configuration manager (x86, x64 or ARM) for build an UWP app that runs in Microsoft SQ3 processor?
Hello I'm working with UWP app that have to run in a tablet based on Windows 11 and it is using an SQ3 processor. I'm running this line for hide a button in the UI: Mybutton.Visibility = visibillity.Collapsed; Testing in PC windows 10, the code line…
asked 2025-04-02T13:35:09.81+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(108.80000000000001, 88%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGJ%3C/text%3E%3C/svg%3E)
Gonzalez, Javier
40
Reputation points
commented 2025-04-04T01:06:00.1566667+00:00
Roy Li - MSFT
34,281
Reputation points Microsoft External Staff
0 answers
Support Needed: Error 0x800B0100 - App Package Must Be Digitally Signed
Hi all, I'm currently facing an issue while creating a UWP package in Unity, and I keep encountering the error 0x800B0100. The error message states, "The app package must be digitally signed for signature validation." Here are the details of…
asked 2025-03-28T12:23:39.7+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, 91%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ENS%3C/text%3E%3C/svg%3E)
Nallamuthu Sundhararajan
25
Reputation points
edited a comment 2025-04-03T11:22:50.9366667+00:00
Nallamuthu Sundhararajan
25
Reputation points
2 answers
Impact of Bing Maps for Enterprise retirement to UWP
We received an email about the retirement of Bing Maps for Enterprise, which will affect all applications using Bing Maps. Does retirement also affect UWP apps that include map feature? Any migration procedures can be followed? Thanks.
asked 2024-05-23T02:20:53.77+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(230.39999999999998, 94%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFS%3C/text%3E%3C/svg%3E)
forline Spaceac
0
Reputation points
edited a comment 2025-04-01T16:29:26.1033333+00:00
rbrundritt
20,191
Reputation points Microsoft Employee
0 answers
Installing virtual printer using PSA
I am trying to create a Virtual Printer (for print to pdf) using PSA as documented here https://learn.microsoft.com/en-us/windows-hardware/drivers/devapps/print-support-app-v4-design-guide After creating and deploying the solution from visual…
asked 2025-03-27T10:16:31.5+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, 0%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERP%3C/text%3E%3C/svg%3E)
Ratheesh Pai
0
Reputation points
edited a comment 2025-03-28T06:44:05.4233333+00:00
Junjie Zhu - MSFT
21,491
Reputation points Microsoft External Staff
1 answer
Error MSB4044 RemoveDisposableSigningCertificate
I am facing this issue while creating UWP package : Error MSB4044 A value was not specified for the task “RemoveDisposableSigningCertificate” for the required “CertificateThumbprint” parameter. C:\Program Files Microsoft Visual Studio…
asked 2025-01-24T05:16:56.2433333+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, 24%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHR%3C/text%3E%3C/svg%3E)
Hemachandra Rao
15
Reputation points
commented 2025-03-25T23:07:37.6833333+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(64, 77%, 16%)' 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)
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1
Reputation point
4 answers
One of the answers was accepted by the question author.
Unable to add printSupportSettingsUI Extensions for Print Support applications (PSA)
I am getting errors and unable to use windows.printSupportSettingsUI extension is required for the Print support settings UI. I tried the below sample code provided by Microsoft's Print-support-app-design-guide documentation. …
asked 2022-12-19T23:05:33.79+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(115.19999999999999, 50%, 21%)' 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)
Amitha K
56
Reputation points
commented 2025-03-21T12:36:45.53+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(128, 80%, 22%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMJ%3C/text%3E%3C/svg%3E)
Madden, John
5
Reputation points
1 answer
Why does using VideoTransformEffectDefinition affect the camera brightness
I'm using VideoTransformEffectDefinition to rotate the camera VideoPreviewWhy does using VideoTransformEffectDefinition reduce the brightness?How can this problem be avoided?
![](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, 77%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EL%3C/text%3E%3C/svg%3E)
0 answers
How to fix Windows.Networking.Connectivity.dll - Access is denied
Hi, Its a multiplayer game developed with Unity, I have added the following capabilities in Package.appxmanifest : Internet (Client) Internet (Client & Server) Private Networks (Client & Server) The user is asked to sign in by directing to the…
asked 2025-01-11T16:57:53.4333333+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(179.20000000000002, 20%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESS%3C/text%3E%3C/svg%3E)
SHASHANK S
20
Reputation points
commented 2025-03-19T14:13:56.7933333+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, 26%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECE%3C/text%3E%3C/svg%3E)
Chas Ellis
0
Reputation points
1 answer
Device metadata published to WMIS authentication failed, do not know how to correct
Problem Statement According to the official guide "Automatic installation of UWP device apps", we developed a UWP device app and successfully published it to Microsoft Store. However, when attempting to publish the device metadata to Windows…
asked 2025-03-14T03:10:59.04+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(16, 26%, 11%)' 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)
朝辉 莫
0
Reputation points
answered 2025-03-14T07:17:56.16+00:00
Junjie Zhu - MSFT
21,491
Reputation points Microsoft External Staff
0 answers
Issue with Exchange Currency Rates in Microsoft Partner Center
Hi Team, We are facing an issue with exchange currency rates for Indian customers. We have created an add-on product in our app and set the base price in USD (e.g., $7.49 USD). However, when checking the View Conversion Table, we noticed a significant…
asked 2025-03-13T06:47:25.43+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(230.39999999999998, 33%, 32%)' 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)
Jay
140
Reputation points
edited a comment 2025-03-13T09:34:00.78+00:00
Junjie Zhu - MSFT
21,491
Reputation points Microsoft External Staff
0 answers
Create virtual printer using Print Support App (PSA)
Hello .net community, I'm trying to create a UWP PSA application following the https://learn.microsoft.com/en-us/windows-hardware/drivers/devapps/print-support-app-v4-design-guide guide. However when I deploy an app locally, the virtual printer is not…
asked 2025-03-03T19:30:25.82+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(220.8, 55.00000000000001%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EYS%3C/text%3E%3C/svg%3E)
Yuriy Seniuk
5
Reputation points
commented 2025-03-07T09:26:01.9433333+00:00
Junjie Zhu - MSFT
21,491
Reputation points Microsoft External Staff
0 answers
Microsoft Analytics API returns a response "200 OK" status but the result is empty
I have a UWP app, and it is already in the Microsoft Store. I'm using Microsoft Partner Center as the service of the app. In the Dashboard, I see all the details about the app from the acquisition, insights, usage and etc. I'm investigating right now to…
asked 2025-03-04T11:11:09.3666667+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, 56.00000000000001%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EIK%3C/text%3E%3C/svg%3E)
Ivan Kim
0
Reputation points
commented 2025-03-06T06:30:51.9333333+00:00
Junjie Zhu - MSFT
21,491
Reputation points Microsoft External Staff
1 answer
How to implement the download of free DLC without using UI thread
Hi, In a store app, is it possible to implemente do download of DLC without the need of the UI thread? I ve tried with storecontext but seems not possible. Also, is it possible to start the download of free DLC without the action of purchasing it? In my…
asked 2025-01-28T11:17:00.8+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(150.4, 51%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ERI%3C/text%3E%3C/svg%3E)
Rhuan Inocêncio
0
Reputation points
answered 2025-03-02T05:52:50.6266667+00:00
Rhuan Inocêncio
0
Reputation points
1 answer
One of the answers was accepted by the question author.
X:Bind and comma in double value
Hello, I have such XAML <TextBox Text="{x:Bind FinancialItem2.Amount, Mode=TwoWay}" LostFocus="TextBox_LostFocus2" /> <TextBlock Text="{x:Bind…
![](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, 20%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
Speech Recognition engine question on Windows
Hi MSFT member, On windows, when developing a Speech recognition app, there are about three solution APIs: Windows.Media.SpeechRecognition System.Speech Programming Guide for .NET Framework Microsoft Speech API (SAPI) Since We want to use local…
asked 2025-02-22T06:56:27.04+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(256, 26%, 34%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ECZ%3C/text%3E%3C/svg%3E)
clark-zh
40
Reputation points
edited an answer 2025-02-26T01:15:02.2933333+00:00
Roy Li - MSFT
34,281
Reputation points Microsoft External Staff
1 answer
Missing Events Logs
how do I fix "Missing Events in Event Log events were lost during data collection," warning?
asked 2020-08-01T20:01:59.363+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(70.4, 3%, 16%)' 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)
Gerald65
1
Reputation point
commented 2025-02-24T17:40:57.27+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(288, 96%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EPB%3C/text%3E%3C/svg%3E)
Paul Barker
6
Reputation points