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I don't know which panel is the first to make problems, so I use both WM_SIZE and Invalidate.<br />
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Thank you, again.
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I don't know which panel is the first to make problems, so I use both WM_SIZE and Invalidate.

Thank you, again.

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The question is here :<br />
<a href="https://www.experts-exchange.com/jsp/qManageQuestion.jsp?qid=20303060" rel="ugc">https://www.experts-exchange.com/jsp/qManageQuestion.jsp?qid=20303060</a>
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The question is here :
http://www.experts-exchange.com/jsp/qManageQuestion.jsp?qid=20303060

500 question and I'm ready to give more

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