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private sub ConfigureHandler()
addhandler TxtNom.enter, addressof EntreControl
addhandler TxtPrénom.enter, addressof EntreControl
addhandler TxtAge.enter, addressof EntreControl
addhandler TxtNom.Leave, addressof SortControl
addhandler TxtPrénom.leave, addressof SortControl
addhandler TxtAge.Leave, addressof SortControl
end sub
'les handler ne sont pas limiter à des textbox...
private sub EntreControl(sender as object, e as eventargs)
dim theControl as control = ctype(sender, control)
SetActive(theControl, true)
end sub
private sub SortControl(sender as object, e as eventargs)
dim theControl as control = ctype(sender, control)
SetActive(theControl, false)
end sub
'effectue le traitement
private sub SetActive(unControl as control, isActiv as boolean)
dim couleur as color
if isActiv then
couleur = Color.LightYellow
else
couleur = Color.white
end if
unControle.backgroundColor = couleur
end sub |
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