18 lines
464 B
APL
18 lines
464 B
APL
∇ WindowedApplication
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⍝ define a form with a label and a button
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'Frm'⎕WC'Form' 'Clicks' (40 35) (10 15)
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'Lbl'Frm.⎕WC'Label' 'There have been no clicks yet.' (10 10)
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'Btn'Frm.⎕WC'Button' 'Click Me' (35 35) (25 25) ('Event' 'Select' 'Click')
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⍝ callback function
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Frm.Clicks←0
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Frm.Click←{
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Clicks+←1
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p0←(1+Clicks=1)⊃'have' 'has'
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p1←(1+Clicks=1)⊃'clicks' 'click'
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Lbl.Value←'There ',p0,' been ',(⍕Clicks),' ',p1,'.'
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}
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∇
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