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Thread: Zoom

  1. April 7th, 1999, 12:57 AM #1
    Moonmoon
    Moonmoon is offline Junior Member
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    Apr 1999
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    Zoom

    I have a window where a bitmap is displayed. Next I have a menu "Zoom"
    On selecting Zoom a dialog is displayed that has 3 radio buttons.
    ist radio button shows zoomto 100%
    2nd radio button shows zoomto 200%
    3rd radio button shows zoomto 300%

    On selecting each radio button the bitmap can be zoomedto the respective size.

    I have used stretchblt() but it is not working . Please give me a detailed help.
    Thanks

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  2. April 7th, 1999, 01:17 AM #2
    Walter I An
    Walter I An is offline Member
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    May 1999
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    Republic of Korea
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    Re: Zoom

    Hi!
    I want to know what is not working.
    Is StretchBlt() or ur bitmap?
    Describe detail info. Sounds like
    U didn't resize your bitmap area as
    U are zooming.

    Walter An

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  3. April 7th, 1999, 01:24 AM #3
    Walter I An
    Walter I An is offline Member
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    Republic of Korea
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    Re: Zoom

    Hi!
    I forgot to ask you.

    Are U sending a message or something from ur dialog
    to ur window that selection of a radio button
    has changed when U press a different radio button?

    Walter An

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