On Tue, 11 Feb 2003 16:45:16 +0000 I wrote:
[...]
test for a particular custom property.The latest problem is that I want to do an existence
I finally answered my own question - one uses a global property, the customKeys, which gives a list of the custom properties of an object. Who would have guessed that properties are keys, eh? OK, I could have found it in the 'See Also' of the Transcript dictionary entry for 'customProperties' but the name 'keys' put me off researching it. And anyway the info is very fragmented in the docs.
I am beginning to think that we (well, I) need a lot more short, concentrated essays explaining pretty well everything on specific topics - for example "all about custom properties" or "all about arrays" or "all about printing" etc. to include info on what not to do and gotchas. I realise that a lot of the info is there somewhere, but it's hard to get the right mixture of 'what' and 'how' to actually get things done. As soon as I feel I know enough about one of these areas I'll try to draft one of these notes - what do other people think?
Graham
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Graham Samuel / The Living Fossil Co. / UK & France
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