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Is it possible to configure which <Application> gets launched when I F5 deploy my projects in Visual Studio? I have an MSIX WinAppSDK app with a Package.appxmanifest that has multiple <...
citelao's user avatar
  • 6,352
2 votes
1 answer
153 views

In my WinUI 3 app, I get no errors when the app is in Debug mode, but when I turn the Release mode, I get a System.NullReferenceException. Looking at the stack it seems to me that the problem is ...
bluveneziano's user avatar
  • 21
1 vote
1 answer
160 views

I was trying to add mica backdrop to my application there are pages in my app and how can I not apply the backdrop to them App.xaml.cs public App() { this....
Muhammed Yusuf Parlak's user avatar
  • 23
1 vote
1 answer
152 views

I am trying to use the SDK in a WinUI 3 C++ application. When using the SDK, LoadLibrary inside the SDK fails. During debugging, I examined the process and found that calling LoadLibraryExA as a test ...
kinton's user avatar
  • 409
1 vote
2 answers
153 views

I am developing a WinUI 3 application and would like to use TextBoxExtensions.Mask from the Windows Community Toolkit to restrict input to IP addresses. For example: 192.1.1.0 or 255.255.255.255. I ...
kinton's user avatar
  • 409
1 vote
1 answer
256 views

I have problem with a WelcomeScreen developed in WinUI 3. In resolution (1920 * 1080), Scale (125%), the controls on the window are displayed correctly, but they are invisible when in resolution (1920 ...
Ming's user avatar
  • 595
0 votes
0 answers
93 views

Whenever a new tab is added to the tabview, the titlebar drag region swaps between being enabled and disabled. Visually there is no change. Only effect is that the drag region becomes disabled or ...
MAabmets's user avatar
  • 45
1 vote
2 answers
129 views

Does anyone know how to make the background of the CommandBar transparent when its overflow is open? I already tried adding the background directly and through code, but it doesn't change its style. &...
WilsonPT's user avatar
  • 113
1 vote
1 answer
113 views

I want to change the transparency of the overlay displayed on the parent window when the ContentDialog is open. I am using WinUI 3. I have looked into generic.xaml and tried changing a few things, but ...
kinton's user avatar
  • 409
1 vote
3 answers
120 views

I am trying to create content inside of a Scrollbar in a Dialog. I am doing this through C# instead of XAML even though this is Win UI 3. The problem I am experiencing is that my Scrollbar is not on ...
Stack Overflow User's user avatar
  • 11
0 votes
0 answers
244 views

In Visual Studio 2022, I created a .Net 9.0 MAUI Blazor hybrid app, which I was able to publish, straight away. After adding content and functionality to my project, which builds and runs on all ...
sanepete's user avatar
  • 1,202
0 votes
0 answers
28 views

I have a project using Windows.Media.Editing.MediaComposition and when using it to render a video composed of few clips, the RenderToFileAsync works fine. The problem is that when using a large amount ...
MervelMath's user avatar
  • 13
0 votes
1 answer
162 views

I want to change the font for all TextBox controls in WinUI 3, but it is not working as expected. I specified the font in the ResourceDictionary of App as follows, but it was not applied to some ...
kinton's user avatar
  • 409
0 votes
0 answers
77 views

I'm working this bug in a Winui 3 application. As you can see in the following code example, when check/uncheck the "DefaultProgramCheckBox", the SetValue of Variable "DefaultProgram&...
Ming's user avatar
  • 595
0 votes
0 answers
51 views

I've got an ItemsRepeater to show events over on a scrolling calendar view. This works well. I've been trying to find a lightweight way to show lines between days. I tried borders, but some of the ...
Joel Page's user avatar
  • 21
0 votes
2 answers
240 views

Is this a bug in TabView implementation? Or what could I be doing wrong? Summary: Binding seems to get out of sync when adding and removing tabs from tab TabView. Minimal Working Example that ...
user1757226's user avatar
  • 352
0 votes
1 answer
207 views

recently the titlebar of WinUI 3 apps for me is white even though Mica backdrop is enabled. How do I fix this so the Mica also extend to the titlebar? <Window.SystemBackdrop> <...
Enfrade's user avatar
  • 1
0 votes
1 answer
103 views

I have one object DataSet which has a name property and a ID property. I have a list of datasets in my viewmodel, which should be the itemsource of a DataGrid Combobox column. I have defined the ...
miniHessel's user avatar
  • 850
0 votes
2 answers
118 views

If you try to run an update in one of your properties marked with ObservableProperty from the CommunityTookit.Mvvm package in an async context, you'll get the following exception: System.Runtime....
alejandro-ordonez's user avatar
  • 154
1 vote
1 answer
100 views

I have a WinUI application where I can select the serial port I need for my tasks, from which data will be read in the future. The problem is that I need to do the polling in the background, ...
ArtemInGame's user avatar
  • 13
1 vote
0 answers
23 views

I have a UWP app which can run on both desktop and xbox device. How can specify a different XAML for some xbox page? Is there some kind of special folder name I can use to specify a different XAML ...
Hans Voralberg's user avatar
  • 69
2 votes
1 answer
116 views

I have been getting into WinUI 3, coming from WPF, and started by making a simple user control with an icon and text on it (configured as dependency properties). When I use the control and bind the ...
manderson's user avatar
  • 564
0 votes
2 answers
64 views

when i run my app, instead of using the data template i just see the full class name of my viewmodel displayed in the control. the MyDataTemplateSelector class in instantiated, but the ...
codymanix's user avatar
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2 votes
1 answer
287 views

When I try to use x:DataType in a DataTemplate to specify the nested class, I get an error. I have a nested class structure in C#, as shown below: namespace sample { public class MainData { ...
kinton's user avatar
  • 409
1 vote
3 answers
135 views

I want to create a horizontally scrollable ListView with a selection indicator located at the top or bottom. Can I achieve that by restyling ListViewItemPresenter or anyhow else reusing it?
XperiAndri's user avatar
  • 1,250

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