[Lazarus] Delphi incompatibility - hard cast

[Alejandro Gonzalo]

Is there also a way of setting an event such as OnEnter for Sender or a Component in a loop (if the Event is defined in code and not with the Object Inspector)?

Thank you.

A. G.





On Friday, January 31, 2014 12:19 AM, Michael Van Canneyt <michael at freepascal.org> wrote:
 



On Thu, 30 Jan 2014, Alejandro Gonzalo wrote:

> OK, how about a compiler switch (that can be turned on or off) that SEARCHES for the property (or event if defined
> in code and not by the Object Inspector)?  It shouldn't be so difficult to deal with Sender (or components in a
> loop) where the exact Type is not known in advance, just the presence of a specific property or Event.  If the
> switch can be turned Off again after the routine, the impact on performance shouldn't be a concern.  Greater
> flexibility and ease of use, especially for newbies (RTTI is difficult and poorly documented) is needed if
> freepascal/Lazarus is to become universally adopted.

You just need to understand what you are doing, and use

   SetObjectProp(Sender,'Datasource',MyDataSource);

that's all there is to it.

Michael.
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