Re: PropertyBag (?) implementation

"Igor Tandetnik" <>
Mon, 20 Nov 2006 12:32:28 -0500
Jason S <> wrote:

Igor Tandetnik wrote:

Yes. Moreover, you are allowed not to support type info at all.
Scripts never read it anyway.


Both JSDB Javascript and MATLAB (the scripting hosts I would be using)
use typeinfo to handle parameter checking / list possible methods of
an object implementing IDispatch

OK. The script engines I'm familiar with (Microsoft supplied JavaScript
and VBScript engines, the ones IE uses to run scripts on an HTML page)
don't read type info. Others may, of course. Sorry for careless

what about the back end of this, e.g. a series of name-value pairs
that can be marshalled-by-value? I guess it doesn't seem hard to
implement but if something already exists then I wonder if I should
use that instead.

I don't know of any reusable stock implementation.

See if this helps: any VARIANT can be marshalled and unmarshalled as
discussed here:

With best wishes,
    Igor Tandetnik

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