[Lazarus] Delphi incompatibility - hard cast

[Alejandro Gonzalo]

In Delphi this will work even if the Sender is not a TdbGrid, as long as it has a DataSource property:

  TdbGrid(Sender).datasource:=myDataSource;

But it won't work in Lazarus if Sender is a different dbAware component., the compiler will complain it's not a dbGrid.

Is there anyway to accomplish this same result in Lazarus, perhaps by using RTTI?  Or is there a compiler directive to stop this check?

An example would be great.  Thanks.

A. G.
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