http://blog.excastle.com/2005/11/08/keynote-continued/ Life, .NET, and Cats Fri, 10 Oct 2008 21:46:48 +0000 http://wordpress.org/?v=2.5 http://blog.excastle.com/2005/11/08/keynote-continued/#comment-5428 John Emery Tue, 08 Nov 2005 19:30:00 +0000 http://blog.excastle.com/2005/11/08/keynote-continued/#comment-5428 True. But after the SomeVar is freed, your pointer still holds an address that is not valid to use. Thus, the variable contains 'lying' content. Code: SomeVar.Free; SomeVar.Free; and compare that to FreeAndNil(SomeVar); FreeAndNil(SomeVar); Which code works correctly? True. But after the SomeVar is freed, your pointer still holds an address that is not valid to use. Thus, the variable contains ‘lying’ content. Code: SomeVar.Free; SomeVar.Free; and compare that to FreeAndNil(SomeVar); FreeAndNil(SomeVar); Which code works correctly?

]]> http://blog.excastle.com/2005/11/08/keynote-continued/#comment-5427 Sean Fisher Tue, 08 Nov 2005 19:01:00 +0000 http://blog.excastle.com/2005/11/08/keynote-continued/#comment-5427 You don't need to use FreeAndNil habitually--only if the pointer itself is referenced, as in "on demand" creation. You don’t need to use FreeAndNil habitually–only if the pointer itself is referenced, as in "on demand" creation.

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