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Mailing lists / fpc-pascal / 2007-09

What does this warning mean?

4 messages · 4 people · 9-12-2007 – 9-13-2007

Graeme Geldenhuys 1
Jilani Khaldi 1
Michael Van Canneyt 1
Unknown author 1

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Jilani Khaldi9-12-2007 21:52 UTC

Hi All,

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

Jilani KHALDI http://jkhaldi.oltrelinux.com

Unknown author9-12-2007 22:07 UTC

to Jilani Khaldi

Show quoted text 6 lines

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

Michael Van Canneyt9-13-2007 06:38 UTC

to Jilani Khaldi: "drawing.pp(19,42) Warning: Constructing a class "TFPImageCanvas" with abstract methods".…

Jilani Khaldi wrote
Hi All, "drawing.pp(19,42) Warning: Constructing a class "TFPImageCanvas" with abstract methods".

It means that TFPCustomCanvas has an abstract method which is not overridden by TFPImageCanvas, when it should override this...

I will look into this.

Michael.

Graeme Geldenhuys9-13-2007 06:57 UTC

to Michael Van Canneyt

Michael Van Canneyt wrote 8 lines

> > "drawing.pp(19,42) Warning: Constructing a class "TFPImageCanvas" with > abstract methods". It means that TFPCustomCanvas has an abstract method which is not overridden by TFPImageCanvas, when it should override this... I will look into this.

I saw that a few weeks ago while playing around with TFPCustomCanvas for fpGUI. Completely forgot to report the problem.

Graeme.