Of course it is.
http://msdn.microsoft.com/en-US/
Click on "Windows" there, you get this:
http://msdn.microsoft.com/en-US/windows/default.aspx
Hm, there is a "Desktop" item, there, you click on it and..
http://msdn.microsoft.com/en-US/windows/desktop/
Stll no WPF! But: "Explore the docs about desktop app development ...Check out the Windows Development Reference for in-depth technical information about how to build desktop apps...." you click on it and.. Tada!:
http://msdn.microsoft.com/library/windows/desktop/hh447209
That's the Win32 documentation! So, the prefered way to write desktop applications is Win32 apparently. According to MSDN at least.
I am not saying WPF is EOL, I am sure WPF applications will continue to run for a long time to come.. but Microsoft's attention level to it is barely above their attention to WinForms.
