Install <winrt/Microsoft.UI.Composition.SystemBackdrops.h>

[r2d2Proton]

How do I download/install the Microsoft.UI components?

Thank you for the help.

[castorix]

They are generated when you build a CPP WinUI project (in .\Generated Files\winrt)

[r2d2Proton]

Thank you for the reply.
I downloaded https://www.nuget.org/packages/Microsoft.WindowsAppSDK
Renamed it to a .zip and extracted it.

Then I ran a few commands:
cppwinrt -input sdk -output ""
cppwinrt -input "lib\uap10.0.18362\Microsoft.UI.winmd" -input sdk -output ""
:
cppwinrt -input "lib\uap10.0\Microsoft.Windows.System.winmd" -input sdk -output ""

I am looking for windows.ui.composition.interop.h.

By chance, do you know where I can download it?

Thank you again.

[castorix]

I am looking for windows.ui.composition.interop.h.
By chance, do you know where I can download it?

It is included in the Windows SDK
(on my version (Windows 10), once installed, I have it in C:\Program Files (x86)\Windows Kits\10\Include\10.0.19041.0\ )

[r2d2Proton]

Thank you for the link. I just completed a VS2022 Repair, which apparently reset a few things. I am not sure what VS installs. But at least I can download and reinstall the Windows SDK. I forgot about that link. Thanks.