This can also happen when an index is active: this is similar to the answer Barbara gave.

Rick

>I have a grid that I am have created by subclassing the grid class. It works fine in all implementations except one and I can't determine anything different about that one. The behavior is that the slidebar on the left won't go any further up than about 2/3rds up. Everything else works fine. This isn't a major problem except that it is disconcerting to the user.
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>Has anyone experienced anything like this?
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>Thanks.