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Download QCChart2D CF Charting Library for the .Net Compact Framework
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Data ToolTips 345 ' Precalculates the text bounding box so that the size is ' known before it is drawn stockpanel.PreCalcTextBoundingBox(g2) Dim boundingbox As Rectangle2D = stockpanel.GetTextBox() ' Reposition tooltip text box if top of box near top of graph window ' You can do the same thing for all four sides of the graph window If mousepos.GetY() - boundingbox.GetHeight() < 1 Then mousepos.SetLocation(mousepos.GetX(), mousepos.GetY() + _ boundingbox.GetHeight()) stockpanel.SetLocation(mousepos, ChartObj.DEV_POS) End If ' Draws the tooltip text panel to the chart graphics context stockpanel.Draw(GetToolTipGraphics()) End If End Sub 'OnMouseDown End Class 'CustomToolTip
