Working on a WinUI3 App.
I have defined a style in my XMAL to use when creating controls programmatically

I’m having an issue with the NavigationPane from WinUI that I can’t seem to fix. In where the content of the pane should be, it changes the color of the background slightly, I’ve looked everywhere but I can’t find a solution.
(https://i.sstatic.net/f55UFde6.png)

I am creating a WinUI 3 application, I need to manipulate one of the UI elements during runtime in a very custom and versatile way, so I don’t want to define it within XAML.

winui-3 c# I am new to WinUi3 but I worked on WinForms app before. Webview2 have to be installed using NuGet in WinForms app, but it is included in WinUi3. I found that WebView2 in WinUi3 works Normally in window(MainWindow) but If I add WebView2 to a page like:

Ive created an app with the WinUi 3 Template studio for c#. Now my NavigationView.Header has corners that I dont like. If I set following in Application.Resources every control has no corners.