Earlier quoted context omitted.
It certainly did catch on Windows, served as influence to JavaFX and QML design, and the WPF grid layout landed on the Web as the initial CSS Grid proposal.
Are most Windows apps currently designed with WPF or something else? I have always looked to things like the Calculator and Notepad as a signal of confidence; I know there’s little reason to rewrite them, but the proof of the pudding would be if Microsoft updated something as “simple” as those applets to their championed UI framework. I know Visual Studio (and their abandoned Expression Studio) is/was built with WPF,…
No one uses MFC/ATL for greenfield applications on Windows.
When C++ comes into play, it is plugged via DLLs or COM into .NET applications (or even via C++/CX, C++/WinRT or C++/CLI).
As for pure Win32 C style, for greenfield apps, only if are feeling masochist.
Not counting 3rd party alternatives here like Qt, Delphi or C++ Builder.