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| Guest | DragDeltaEventsArgs.VerticalChange cumulative The documentation for DragDeltaEventsArgs.VerticalChange says "Gets the vertical distance that the mouse has moved, since the previous DragDelta event, when the user drags the Thumb with the mouse." To me this means that each time the DragDelta handler is called the previous value of VerticalChange is cleared out and it should just contain the differences from the last vertical value. In my app, when the DragDelta handler is called, VerticalChange shows the cumultive effects of my drag. If I move the mouse down slowly I get 1, 2, 3, 4.. when I would expect 1, 1, 1, 1. If I move the mouse down and then back up I get 1, 2, 3, 2, 1 when I would expect 1, 1, 1, -1, -1. I've tried setting args->Handled = true but that has no affect. Am I misinterpreting the documentation? Doing something wrong? John |
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