[fpc-pascal] How to make TCheckBox autosize work correctly on Linux?

[Bo Berglund]

On Tue, 6 Jan 2026 21:33:27 +0000, Martin Wynne via fpc-pascal
<fpc-pascal at lists.freepascal.org> wrote:

>Hi,
>
>Suggest:
>
>with checkbox do begin
>
>Autosize:=False;
>Caption:='new text';
>Width:=ControlCanvas.TextWidth(Caption);
>
>end;
>
>Martin.

Did not work:

Error: Identifier not found "ControlCanvas"

Where is this item declared?

-- 
Bo Berglund
Developer in Sweden