Simple windowed application: Difference between revisions
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(Add Racket entry) |
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)</lang> |
)</lang> |
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=={{header|Racket}}== |
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<lang racket> |
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#lang racket/gui |
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(define frame (new frame% [label "There have been no clicks yet"])) |
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(define num-clicks 0) |
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(define (cb obj me) |
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(set! num-clicks (add1 num-clicks)) |
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(send frame set-label (format "~a" num-clicks))) |
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(new button% [parent frame] [label "Click me"] [callback cb]) |
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(send frame show #t) |
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</lang> |
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=={{header|RapidQ}}== |
=={{header|RapidQ}}== |
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