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number of options selected in multiple selection

711250Jul 17 2009 — edited Jul 17 2009
Hi,

I have a multiple selection, how can i get the number of options selected from this multiple selection?
So that i can change CHART width accordingly?

For example, if i choose one option, chart width = 150
if i choose two options, chart width = 300

thanks for the reply.

wcy
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Locked on Aug 14 2009
Added on Jul 17 2009
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