MessageBox on WPF on .NET 5 does not follow modern system design

[ManuelHu]

Expected Behavior

A more modern / more integrated look of the message box (built with WPF for net461):

Actual Behavior

"Old" look

Specifications

• Version: 2.5.8
• Platform(s): WPF on .NET 5
• Operating System(s): Windows10 20H2

[cwensley]

Looks like a WPF problem: dotnet/wpf#179

However, I did add code that worked for WPF on .NET Framework to enable the visual styles.. I guess it doesn't work on .NET 5 so I'll have to investigate that. Perhaps the only way is to add a manifest like shown here.

[ManuelHu]

Ah okay, I'll try that ;-)

[ManuelHu]

Adding a manifest file worked - even in my hacky cross-build on Linux setup... Thanks!