[mapguide-users] MgSelection - highlight selected features in map
Jackie Ng
jumpinjackie at gmail.com
Tue Jan 3 17:43:14 PST 2017
Yeah, don't do that.
Feature readers are single-use for a given query result and they can't be
rewound back to the beginning of a query result (hence forward-only). Most
data access libraries (not just MapGuide/FDO) work in this manner.
So basically, just re-execute that same query to get a fresh reader, or
refactor your code so that you can do your processing and populating the
MgSelection at the same time when iterating that feature reader.
- Jackie
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