Getting custom DPI percentage in Delphi

Question

Trying to my Delphi 2010 application more user freindly in high DPI modes in Windows 7 I have been trying several methods to retrive PixelsPerInch and compare to 96. Alas, n

Answer 1

You could have a look at the Registry value AppliedDPI at

HKEY_CURRENT_USER\Control Panel\Desktop\WindowMetrics\AppliedDPI

Thanks to Andreas Rejbrand.