https://devblogs.microsoft.com/oldnewthing/20050207-00/?p=36513
Why does DS_SHELLFONT = DS_FIXEDSYS | DS_SETFONT? - The Old New Thing
Feb 7, 2005 - You may have noticed that the numerical value of the DS_SHELLFONT flag is equal to DS_FIXEDSYS | DS_SETFONT. #define DS_SETFONT 0x40L /* User specified font...
the olddssetfontnewthing