On Wed, Aug 23, 2017 at 3:25 PM, Sven Barth via fpc-pascal <fpc-pascal@lists.freepascal.org> wrote: > On 23.08.2017 19:57, Marcos Douglas B. Santos wrote: >> Would we have any problem of memory leaks using Interface helper with >> COM interfaces (refcount)? >> I mean, the "type helper" has constructor/destructor to create/release >> something? > > It doesn't need to. A type helper is essentially syntactic sugar for a > class method with the extended parameter as first type.
So, is this work? === code begin === type IFoo = interface function Execute: IFoo; end; TFooHelper = type helper for IFoo procedure Something; end; TFoo = class(TInterfacedObject, IFoo) public function Execute: IFoo; end; var F: IFoo; begin F := TFoo.Create; F.Execute.Something; end; === code end === _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal