Re: MFC question: is it really necessary to call DeleteObject?

On 10/10/07, Andreas Nicolai <Andreas.Nicolai@gmx.net> wrote:
> Hi there,
>
> after creating a font
>
> CFont myFont;
> myFont.CreatePointFont(...);
>
> and setting a font to the device context with
>
> CFont * oldFont = dc.SelectObject(&myFont);
>
> and restoring it with
>
> dc.SelectObject(oldFont);
>
> do I really have to delete the object with
>
> myFont.DeleteObject();
>
> as it is written in the MFC docs?
>
> If that is really necessary it has been forgotten many times in the
> MyGraph.cpp.

Yes, and that's one of the reasons MyGraph.cpp is slow and can run out
of GDI objects.
You have to delete those objects manually.
(btw: if you like to replace MyGraph.cpp, that would be great!)

Stefan

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