[fpc-pascal] problem with interface (OOP not widget)

[Jonas Maebe]

On 12 Mar 2008, at 05:41, Bee wrote:

> http://bugs.freepascal.org/view.php?id=10684
>
>> Hints? TIA.
>
> I'm currently using a not too elegant workaround to solve this  
> problem. With some IFDEFs because the workaround is for FPC only.

There is no support for passing nil as a constant to a "procedure of  
object" parameter of a cdecl procedure at this time. You can work  
around it by using two overloads (one with a tnotify parameter, one  
without). That should work both in FPC and in Delphi.


Jonas