When I use the Header property, the header rests on over the ComboBox so that the ComboBox is hidden behind the header, making the ComboBox unusable. ...

I'm creating a WinUI 3 User Control that -for sake of simplicity- can be described as glorified slider: Whenever user presses their left click (Po ...

I'm currently starting with an application using WinUI. It's about getting the color in a specific x,y coordinates of an image. I tried to use the Bit ...

I use a listview in single mode and I would like to change its visual aspect when I control-click on a row to show that this row is selected. I can't ...

My app has multiple pages. When I press the Close key in the toolbar, how can I detect the OnClosing event in the single page to avoid closing the app ...

I'm building a WinUI 3.0 Application and I need to change DataGrid cell's color depend on it's value, like this: But nothing worked so far... The M ...

In UWP,we can fetch the children by FindDescendants<> .But in winui, we can't able to do that. By doing with visualhelpertree,It always shows ze ...

I am working in a calender application in winui and need to add a list on a specific date I have tried adding a text block and next I would like to c ...

I have two models in my data access layer: Table1 and Table2. I want to use the WinUI 3 DataGrid from the CommunityToolkit to display two columns fro ...

I'm struggling with a TreeView in my WinUI app where I would like to have several TreeViewItems in a single DataTemplate. I have tried several things ...

I'm developing an UWP App with UNO / WinUI 3. I have put images into the Images folder in the UWP project and the application icon is shown in the tas ...

My application is a WinUI desktop application using .Net 6. <OutputType>WinExe</OutputType> <TargetFramework>net6.0-windows10.0.190 ...

How to make main window with rounded corners? I had a look on many videos and steps are quite simple. check SDK installed enter image description ...

I am programming an app in WinUI 3 using C#. There are some controls that have an ItemsSource property. When I pass an IEnumerable into the ItemsSour ...

I have an app that consists of 2 parts. 1st part is Login form, where user needs to enter login and password. If they are correct, it start "Editor" w ...

I don't know how to export data from a ListView to Excel using a Winui3 APP tecnology. With WPF I used "Excel = Microsoft.Office.Interop.Excel" but in ...

I am trying to show the window as ShowDialog (same as WPF) in the WinUI3, but found that the currenly present method window.Activate() does not behave ...

I am currently trying to bind a textbox conditionally based on 3 different objects depending on a Level enum value. In the code sample below, what I h ...

The default appearance of the NavigationView in WinUI3 Gallery or an app created with a template studio has a space at the top. However, it looks diff ...

I am new to WinUI and struggling to do some basic things in that. Any help is appreciated. 1.) Is there any way to show or hide default icon from the ...