Luke Longley

Exception message thrown by WinRT object is not preserved by C#/WinRT

1

Click the button in these two repro apps to see the issue: [ColorPickerExceptionMessageUWP.zip](https://github.com/microsoft/CsWinRT/files/5265044/ColorPickerExceptionMessageUWP.zip) [ColorPickerExceptionMessageDesktop.zip](https://github.com/microsoft/CsWinRT/files/5265045/ColorPickerExceptionMessageDesktop.zip) In the UWP application, which does not use C#/WinRT projections, setting ColorPicker.MaxHue to an invalid value...

Cherry-picking a NavigationView crash fix to 2.7

2

This cherry-picks #6240 to 2.7, which is needed to fix a crash related to NavigationView.

### Describe the bug TabViewTests.KeyboardTest passes when run locally, but fails for some unknown reason in the lab. We should investigate why. ### Steps to reproduce the bug 1. Run...

Updating TabView to consume tear-out APIs

16

These changes update WinUI Gallery to consume the new TabView tear-out APIs in WASDK experimental 1, instead of using the WinRT drag-and-drop APIs. This makes it so that tab tear-out...