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IsMissing in VBScript?
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john....@dot.state.wi.us
Jun 21, 1999, 3:00:00 AM6/21/99
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VBA has an IsMissing Function.
Is there one in VBScript? A different name, but equivalent?
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Dan Read
Jun 21, 1999, 3:00:00 AM6/21/99
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My guess is that since Optional parameters are not supported in
VBScript, that the IsMissing operator will not work either. There are
some strange behaviors that can result from IsMissing anyway, and I
never use it. Instead, I give all my Optional parameters default
values that I can then check at the top of the procedure. You could
use this technique as well in VBScript by having the calling code pass
empty or specific values in parameters it wishes to omit. For example,
a Long parameter could be a -1, or a String parameter could be an empty
string or something like "[~~~OMITTED~~~]"
VBScript, that the IsMissing operator will not work either. There are
some strange behaviors that can result from IsMissing anyway, and I
never use it. Instead, I give all my Optional parameters default
values that I can then check at the top of the procedure. You could
use this technique as well in VBScript by having the calling code pass
empty or specific values in parameters it wishes to omit. For example,
a Long parameter could be a -1, or a String parameter could be an empty
string or something like "[~~~OMITTED~~~]"
HTH,
Dan Read
In article <7kmb7j$mem$1...@nnrp1.deja.com>,
Michael Harris
Jun 21, 1999, 3:00:00 AM6/21/99
to
IsMissing is used to test for missing optional variant arguments. VBScript
doesn't support the Optional keyword need for optional arguments and thus
doesn't support (or have a need for) IsMissing.
doesn't support the Optional keyword need for optional arguments and thus
doesn't support (or have a need for) IsMissing.
--
Michael Harris
<john....@dot.state.wi.us> wrote in message
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