Universal Windows Platform (UWP)
A Microsoft platform for building and publishing apps for Windows desktop devices.
2,904 questions
2 answers
[UWP] Serialize app local settings
I want to be able to take the settings for my app and copy them so that they can be shared by different users on different machines. Is there a way to serialize or some how copy the app settings to a different location?
asked 2019-11-12T16:42:02.05+00:00
Jim Young
1
Reputation point
commented 2019-11-14T01:40:56.47+00:00
Xiaodi Yan
876
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
Data binding in UWP
What is the diffrence between binding and x:bind. My xaml code works fine when I change to binding. But I can not share my code, I also try to upload image, it fail as well. How can I share my code?
![](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(259.20000000000005, 67%, 35%)' 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)
1 answer
One of the answers was accepted by the question author.
Push notification in UWP after covert
I want to let my console app to use the push notification in UWP, so my team decide to covert our Console app to UWP. The question is how to implement the push notification after convert. Thanks.
![](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(201.6, 35%, 29%)' 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)
1 answer
One of the answers was accepted by the question author.
Covert my app to UWP
I have a console app and I have made some changes to the registry. If I convert to UWP how it can be done and what happen with the registry.
3 answers
One of the answers was accepted by the question author.
problem with richedittext
private void ComboChanged(object sender, SelectionChangedEventArgs e) { richEbitBox.Document.GetText(TextGetOptions.AdjustCrlf, out string value); var id = sender as ComboBox; switch (id.Tag) { case…
asked 2019-11-07T08:16:10.87+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
3,426
Reputation points
commented 2019-11-08T01:32:46.75+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(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
32,731
Reputation points Microsoft Vendor
0 answers
Can't connect by Device Portal
I have Smartphone Nokia Lumia 635 with Windows 10 Version 1607 build 10.0.14393.2551 PC Windows 10 1903 build 18362.418 Yesterday I was connect without problem but today I can't connect - I see warning about certificate and I'm accepting risk but page…
asked 2019-11-04T20:19:36.14+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(233.6, 50%, 32%)' 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)
MESSIAH
11
Reputation points
commented 2019-11-07T06:04:18.12+00:00
Roy Li - MSFT
32,731
Reputation points Microsoft Vendor
1 answer
One of the answers was accepted by the question author.
Consuming UWP mail api from WPF Desktop Bridge App
I'm porting my WPF application to UWP, but some APIs are not permitted in the UWP - one of these is classic mail API (MAPI). I've already made some successfull tests about consuming UWP APIs from Desktop Application and hoped the mail api will work…
asked 2019-10-30T06:17:48.137+00:00
Elvis Xia
131
Reputation points Microsoft Employee
commented 2019-11-06T03:46:23.947+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, 0%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EXS%3C/text%3E%3C/svg%3E)
Xie Steven
811
Reputation points
1 answer
One of the answers was accepted by the question author.
UWP Performance: Task.Run() vs Background Service
I'm working on a UWP app that is showing videos, images & XAML animations. The content displayed is being updated from time to time by pushing updates from the server to the app through grpc. When updates happen the app will need to download new…
asked 2019-11-04T11:14:01.42+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(281.6, 85%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETP%3C/text%3E%3C/svg%3E)
Thomas Pentenrieder
36
Reputation points MVP
commented 2019-11-05T09:35:17.307+00:00
Thomas Pentenrieder
36
Reputation points MVP
1 answer
One of the answers was accepted by the question author.
Detect if user has finished drawing strokes in InkCanvas
I am using VS2017 to develop my UWP app and my APP min target version is 10.14393. Is there any event of InkCanvas I can use to detect whether user has finished drawing strokes or not. I want to enable some button after user has drew strokes. …
asked 2019-10-30T06:37:29.4+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(60.8, 78%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFX%3C/text%3E%3C/svg%3E)
Fei Xue - MSFT
1,111
Reputation points
accepted 2019-10-31T02:14:37.417+00:00
Fei Xue - MSFT
1,111
Reputation points
1 answer
One of the answers was accepted by the question author.
Switch the ListView Datatemplate from one data template to another data template?
I am developing Universal Windows 10 app, in one of my current project I want to change the ListView Data Template in runtime. Right now I have used only one Data Template, but in my scenario after a button is pressed, I want to change it to another…
asked 2019-10-30T06:35:18.337+00:00
Fei Xue - MSFT
1,111
Reputation points
accepted 2019-10-31T02:14:32.247+00:00
Fei Xue - MSFT
1,111
Reputation points
1 answer
One of the answers was accepted by the question author.
How to check if an add-on has purchased that use StoreContext class
I have defined a durable AddOn, and when I used RequestPurchaseAsync() method to check if an add-on has purchased or not, it always shows UI which will be annoying to the user. In the previous version I used:…
asked 2019-10-30T06:32:31.537+00:00
Fei Xue - MSFT
1,111
Reputation points
accepted 2019-10-31T02:14:12.063+00:00
Fei Xue - MSFT
1,111
Reputation points
1 answer
One of the answers was accepted by the question author.
Share a large file between two UWP apps using Stream Sockets
I need to share a large file between two UWP apps which are running in two different machines using stream sockets. In order to share the file successfully, I have to share file size before sharing the actual file. So I had to set a separate event in…
asked 2019-10-30T06:27:51.737+00:00
Fei Xue - MSFT
1,111
Reputation points
accepted 2019-10-31T02:13:55.107+00:00
Fei Xue - MSFT
1,111
Reputation points
1 answer
One of the answers was accepted by the question author.
[C++/WinRT] How to use SpeechSynthesizer in UWP
I would like to implement the text to speech feature in my app. I see there are docs on how to do this here: https://learn.microsoft.com/en-us/uwp/api/windows.media.speechsynthesis.speechsynthesizer . However the example does not compile on a modern…
1 answer
One of the answers was accepted by the question author.
Setting Textbox.Text from BluetoothLEAdvertisementWatcher's received event throws an exception
I am creating a Bluetooth LE application in C# using a UWP project and have subscribed to get the Received event from the BluetoothLEAdvertisementWatcher. I can see the data correctly using Debug.Writeline to the Output window, but as soon as I try…
asked 2019-10-30T06:39:53.99+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(288, 95%, 37%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EFW%3C/text%3E%3C/svg%3E)
fangfang wu
91
Reputation points Microsoft Employee
accepted 2019-10-31T01:30:09.63+00:00
fangfang wu
91
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
Localization issues when using App Bundle in UWP
I’m having issues with Localization in my UWP applications. I can reproduce this issue using Microsoft Localization sample. The following is what I have done to reproduce this issue: Step1: I open the project in Visual Studio. I test it…
asked 2019-10-30T06:16:16.72+00:00
fangfang wu
91
Reputation points Microsoft Employee
accepted 2019-10-31T01:29:24.623+00:00
fangfang wu
91
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
How to write and read multiple types of data using Data Writer and Data Reader
I need to write a file length, file data and its type as a string value to the stream. I’m using the following code with Data Writer. writer = new DataWriter(socket.OutputStream); // if we have a StorageFile named file using (var…
asked 2019-10-30T06:58:34.097+00:00
fangfang wu
91
Reputation points Microsoft Employee
accepted 2019-10-31T01:28:01.777+00:00
fangfang wu
91
Reputation points Microsoft Employee
1 answer
One of the answers was accepted by the question author.
[C#]Scale a frameworkelement using a storyboard in UWP does not work
I have created a UWP app that I want to implement the following requirements: 1）First I need to move several animated images from various canvas locations to a specific location 2）Then at the same time scale those images from its current size to…