... headerfilesfor itslibraries. Each of thesefilescontains
theinterfacedescriptionsofall of theclassesofalibrary ;the name of theheader
filematches th enameofthe library.Thus,inthe examples so far,which haveonly
used ... anothertopicfor which knowledge of
thecontents of theQtlibrariesisofparticularinterest. Besidesthe headerfilesfor
individualclass definitions,whose filenames matchthe namesofthe classesthey
describe,Qtalsoprovides ... andaslotinadestinationobject .The first twoarguments
specifytheobject sendingthe signal andthe signal that wewanttobindtothe
receivingslot. Thelasttwoargumentsspecifytheobject that is therecipient of the
signal,and thereceivingslot....