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  1. 25th March 2011, 08:57 #8
    FelixB
    FelixB is offline Advanced user
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    Default Re: How to retain previous values in graph? QWT

    whether you use "setSamples" or "setRawSamples" has absolutely nothing to do with your timer. did you debug if "timerEvent" gets called?
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  2. The following user says thank you to FelixB for this useful post:

    maarvi (25th March 2011)
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