labels, 20
local variables, 150–151
Lock Controls command (Format menu), 36
locking controls, 36
logic
conditional. See conditional logic
programming. See code
logical errors (error handling), 338–339
loops
arrays, 160
conditions, 212–213
defined, 210
do…while, 212–213
exiting, 215–217
for, 213–214
infinite, 214
overview, 210–211
statements, 213
break, 215–216
continue, 216–217
types, 211
while, 211–213
Lottery Assistant
code, 132–140
controls
creating, 125–126
properties, 127–131
creating, 125–126
design, 125–126
GUIs, 126–127
menus, 129–131
preview, 102–104
testing, 140
windows/forms
creating, 125–126
properties, 127–131