[fpc-pascal] What does this warning mean?

[dhkblaszyk at zeelandnet.nl]

> Hi All,
>
> "drawing.pp(19,42) Warning: Constructing a class "TFPImageCanvas" with
> abstract methods".
> Thanks!
> jk

For more information:

http://delphibasics.co.uk/RTL.asp?Name=Abstract

Darius