Having Brained Out The Logic ...
vThe following steps
achieve the result
vCreate the GUI
vDeclare the four
variables
;loSign, a
string
;hiSign, a
string
;midpt, an
integer
;dayPick, an
integer
vSet loSign, hiSign
and midpt in radio buttons
vSet dayPick to the
text input
vFor the OK click
event, incorporate the If-statement and set the visibility of the two
labels