2 suggestions:
1) make it more obvious that a filter is in place, maybe color the bar on top, or add a label that says Filter: xsl, xml
2) on the gear gadget on the project explorer title bar, when filter is in place, add a clear filter action here - at a minimum, include a clear filter button in the filter dialog.
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Karl Stubsjoen
MeetScoresOnline.com
(602) 845-0006