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Tooltip Hit Test Problem


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I have a pie chart with PlotAreaMargin.Top/Bottom/Left/Right set to 90 and am having a couple of problems with the tooltip display. The first problem is that the tooltip is displayed when the cursor is nowhere near the pie itself which isn't of huge concern but looks daft (see attached screenshot HitTestProblem1.jpg in attached zip). The second problem (which is no doubt related to the first) is that if I hover the pointer over a point label for a particular slice then I get the tooltip and pie selection for a different slice altogether (HitTestProblem2.jpg in attached zip). It's as if the hit test is based on the pie as it would have been had the PlotAreaMargin been left at its default and the pie drawn larger.





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