User manual
UniversitàdegliStudidiCatania
IntroductiontoNILabVIEW
LabVIEWG‐Language:ExpressVIs
AnExpressVI isaVIwhose settingsyoucanconfigureinteractivelythroughadialogbox.ExpressVIsappearonthe
blockdiagramasexpandablenodeswithiconssurroundedbyabluefield.
YoucanconfigureanExpressVIbysettingoptionsintheconfigurationdialogboxthat
appearswhenyouplacetheExpressVIontheblockdiagram.
TheprimarybenefitofExpressVIsistheirinteractiveconfigurability.ExpressVIsareuseful
whenyouwanttogiveusersaVIorlibr aryofVIsforbuildingtheirownapplicationseasily
withminimalprogrammingexpertise.
ExpressVIsdonotproviderun‐timeinteractiveconfigurationforVIs.Ifyouneedrun‐time
reconfiguration,buildanapplicationwithauserinterfacethatcontainsfeaturessimilartoa
configurationdialogbox.ExpressVIsaredesignedforeaseof
use.
Ifyouneedanapplicationtorunwithstrictmemoryrestrictionsorhighexecutionspeeds,
usestandardVIs.
DIEEI