--- a/ui/winui/pch.h Sun Jan 28 17:05:46 2024 +0100 +++ b/ui/winui/pch.h Sun Jan 28 20:47:40 2024 +0100 @@ -33,6 +33,7 @@ #include <winrt/Microsoft.UI.Input.h> #include <winrt/Windows.UI.Core.h> #include <winrt/Windows.ApplicationModel.h> +#include <winrt\Microsoft.UI.Dispatching.h> #include <winrt/Windows.Storage.Streams.h>