Groups > comp.lang.pascal.delphi.misc > #148

Re: How to call class method by reference?

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From	Hans-Peter Diettrich <DrDiettrich1@aol.com>
Newsgroups	alt.comp.lang.borland-delphi, comp.lang.pascal.delphi.misc, alt.lang.delphi
Subject	Re: How to call class method by reference?
Date	Wed, 28 Dec 2011 15:47:28 +0100
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Cross-posted to 3 groups.

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aaaa schrieb:
>> Then use interfaces.
>>
>> type TDog = class(TInterfacedObject, IAnimal)
> 
> But my TDog is already based on a class and I don't want to change this.

Then add the interface support to that class (_AddRef etc.). You can use 
the code in TInterfacedObject as a template.

Hint: your rating will be reduced to "a", if you don't know about using 
interfaces in Delphi ;-)

DoDi

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Thread

How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-27 22:14 +0100
  Re: How to call class method by reference? Jamie <jamie_ka1lpa_not_valid_after_ka1lpa_@charter.net> - 2011-12-27 21:50 -0500
    Re: How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-28 12:42 +0100
  Re: How to call class method by reference? Jamie <jamie_ka1lpa_not_valid_after_ka1lpa_@charter.net> - 2011-12-27 21:56 -0500
    Re: How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-28 12:41 +0100
  Re: How to call class method by reference? Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2011-12-28 06:33 +0100
    Re: How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-28 12:26 +0100
      Re: How to call class method by reference? "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2011-12-28 13:33 +0100
      Re: How to call class method by reference? Hans-Peter Diettrich <DrDiettrich1@aol.com> - 2011-12-28 15:47 +0100
        Re: How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-28 18:31 +0100
  Re: How to call class method by reference? "Rudy Velthuis" <newsgroups@rvelthuis.de> - 2011-12-28 13:29 +0100
    Re: How to call class method by reference? "aaaa" <aaaa@aaaaaaaaaaaaaaaaaaa.com> - 2011-12-28 14:31 +0100
  Re: How to call class method by reference? "Skybuck Flying" <Windows7IsOK@DreamPC2006.com> - 2011-12-29 09:02 +0100

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