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Graphic Window turning white ?

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  • Frank Kestens
    replied
    Thanks for the answers . I'll post the code , but cause its quite long I have to clean it before posting it ...

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  • Michael Mattias
    replied
    Sounds like "The White Screen of Death" .... what you get when you try do something which ties up the current thread, preventing the screen from repainting.

    (solution: do such stuff in a separate thread of execution).

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  • Cliff Nichols
    replied
    Frank,
    Basically if you post the code you are using that makes the CPU go to 100% I am sure someone can spot why it is doing that. (Although without seeing code, we can only guess, but my guess would involve SLEEP)

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  • Chris Holbrook
    replied
    Originally posted by Frank Kestens View Post
    What do yo mean Chris ?
    The program compiles wihout errors
    If you post compileable source code here then people can look at it and I bet you will get a result.

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  • Frank Kestens
    replied
    Originally posted by Chris Holbrook View Post
    Compileable source code will probably do the trick...
    What do yo mean Chris ?
    The program compiles wihout errors

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  • Chris Holbrook
    replied
    Originally posted by Frank Kestens View Post
    The CPU is herby running at ca. 100% .....( and a cure ) ?
    Compileable source code will probably do the trick...

    Leave a comment:


  • Frank Kestens
    started a topic Graphic Window turning white ?

    Graphic Window turning white ?

    I've got a problem with one of my applications : the application draws graphs in the output window . The CPU is herby running at ca. 100% .
    Sometimes the output window becomes totally empty , in the middle of the run .
    The curious thing is that if I perform a screenshot at the end of the program , the screenshot is as expected .
    Do I have some problem with my Graphics?
    Curiously , if I give the program at the beginning a priority of "high" in the Windows task manager the problem doesn't occur at all.
    Someone has any similar experiences ( and a cure ) ?
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