[Lazarus] TFrame improvements

[Martin Frb]

On 29/11/2021 21:20, Ondrej Pokorny via lazarus wrote:
>
> Check TCustomLabel.CalculateSize in lcl\include\customlabel.inc for 
> the solution how to solve this problem correctly in the component's 
> code without any modifications needed in T(Custom)Form or T(Custom)Frame.
>
> There, the GetDC(0) is used for Canvas.Handle, so that the label's 
> parent's handle doesn't need to be created.
>
That raises another question: Why does it need that before/unless it is 
visible?

Does autosize run, for non-visible components?