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MouseMoveEvent for Chart Object


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I am using a chart control and for the same i need to perform certain operations on MouseMove Event.But for me on MouseMove Event, GetPoint() or GetSeries() no method is returning me correct value.I am working on VC++.Below I am Copying the code:::BEGIN_EVENTSINK_MAP(CLineProgressView, CFormView)ON_EVENT(CLineProgressView, IDC_CHARTACHIEVEMENT, 12, OnMouseMoveAchievementChart, VTS_DISPATCH VTS_DISPATCH)END_EVENTSINK_MAP()void CLineProgressView::OnMouseUpAchievementChart(LPDISPATCH sender, LPDISPATCH args) {   C_MouseEventArgsX MouseEventArgsX ;   MouseEventArgsX.AttachDispatch(args,true);   long lBoard;   lBoard = MouseEventArgsX.GetPoint();   MouseEventArgsX.DetachDispatch();   POINT point;   point.x=0;   point.y=0;   CFormView::OnLButtonUp(0, point);   }I am not getting this "lBoard" value at all.

Actually same is working properly for MouseUp and MouseDown EventCould you please help me?

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