Call ui->setupUI(this) before using anything in ui, better call it as first statement in constructor.
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Re: Adding a qwtPlot to a layout
Call ui->setupUI(this) before using anything in ui, better call it as first statement in constructor.
When you know how to do it then you may do it wrong.
When you don't know how to do it then it is not that you may do it wrong but you may not do it right.
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