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        Dear All,</div>
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        I am using Racket 5.1 on Windows.</div>
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        I have a program which renders an OpenGL image into a bitmap. The following used to work in</div>
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        PLT-Scheme.</div>
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        (define a (make-object bitmap% 100 100 #f))<br />
        (define b (new bitmap-dc% (bitmap a)))<br />
        (send b get-gl-context)</div>
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        Now it returns #f.</div>
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        Is it a bug or feature?</div>
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        Is there any way that I can make it work again easily?</div>
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        Thanks,</div>
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        Peter Ivanyi</div>