[Lazarus] 'with' is evil, isn't it?

[Luiz Americo Pereira Camara]

On 2/8/2011 11:38, Max Vlasov wrote:
> Hi,
>
> Personally I stopped using 'with' keyword long time ago, but there are 
> code fragments from the past and today I fixed a little bug showing 
> again that it's a evil. TCanvas in lazarus has width and height 
> properties while in Delphi it hasn't (at least some time ago). So the 
> code below leads to different results in lazarus and Delphi, at least 
> for design-time drawing.
>
> procedure TControlDescendant.Paint;
> begin
>   with Canvas do
>   begin
>       Rectangle(0, 0, Width, Height);
>   edn;
> end;
>
> So not only the 'with' context can silently change while the project 
> is evolving, it can also change while it's being ported...


I also ran into this problem while porting Delphi code

http://lazarusroad.blogspot.com/2007/02/traps-of-delphi-to-lazarus-conversion.html

Luiz