Everything have also command line support easily usable form VFP (75 ko).can download at :
https://www.voidtools.com/ES-1.1.0.9.zip

its a dos program (es.exe).
can type in a dos prompt (in source folder)

es  /? >xxx.txt

and you have help in xxx.txt
its usable only if everything.exe is currently running.and have a complet line commands as original everything.exe does.
can command from vfp and everything.exe all what the main interface everything.exe does.
its suffisent to build a bat file with the command line and run it with shellexecute API to have in a text file all search result "instantaneously" or near !

precision:everything is a filer .it searches for file names not in contents.
by default it searches on all drives (even USB).can restrict it to search in a folder also.