https://msdn.microsoft.com/en-us/library/windows/desktop/dn469266(v=vs.85).aspx
https://msdn.microsoft.com/en-us/library/windows/desktop/mt744321(v=vs.85).aspx
!!!! http://stackoverflow.com/questions/41917279/do-child-windows-have-the-same-dpi-as-their-parents-in-a-per-monitor-aware-appli
https://msdn.microsoft.com/en-us/library/windows/desktop/mt843498(v=vs.85).aspx
https://msdn.microsoft.com/library/windows/desktop/mt791579(v=vs.85).aspx
https://blogs.windows.com/buildingapps/2017/04/04/high-dpi-scaling-improvements-desktop-applications-windows-10-creators-update/
https://channel9.msdn.com/Events/Windows/Windows-Developer-Day-Creators-Update/High-DPI-Improvements-for-Desktop-Developers
https://social.msdn.microsoft.com/Forums/vstudio/en-US/31d2a89f-3518-403e-b1e4-bbe37ac1b0f0/per-monitor-high-dpi-awareness-wmdpichanged?forum=vcgeneral
https://stackoverflow.com/questions/36864894/scaling-the-non-client-area-title-bar-menu-bar-for-per-monitor-high-dpi-suppo/37624363