Steema Central

I have seen three posts for this issue recently but have not really seen a difinitive answer of what it going on and how to fix. I have a large complicated measurement system that uses TeeChart .Net for charts.

Are there any more ideas? Any fixes in TeeChart? I am running V2, the July build.

In general it does well but some users intermittantly get the following exception:

System.ArithmeticException: Overflow or underflow in the arithmetic operation.

at System.Drawing.Font.Initialize(FontFamily family, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet, Boolean gdiVerticalFont)

at System.Drawing.Font.Initialize(String familyName, Single emSize, FontStyle style, GraphicsUnit unit)

at System.Drawing.Font..ctor(String familyName, Single emSize, FontStyle style)

at Steema.TeeChart.Drawing.ChartFont.get_DrawingFont()

at Steema.TeeChart.Drawing.Graphics3DGdiPlus.MeasureString(ChartFont f, String text)

at Steema.TeeChart.Drawing.Graphics3D.TextHeight(String text)

at Steema.TeeChart.Drawing.Graphics3D.get_FontHeight()

at Steema.TeeChart.Title.Draw(Graphics3D g, Rectangle& rect)

at Steema.TeeChart.Title.DoDraw(Graphics3D g, Rectangle& rect, Boolean CustomOnly)

at Steema.TeeChart.Chart.DrawTitleFoot(Rectangle& rect, Boolean CustomOnly)

at Steema.TeeChart.Chart.DrawTitlesAndLegend(Graphics g, Rectangle& tmp, Boolean BeforeSeries)

at Steema.TeeChart.Chart.InternalDraw(Graphics g)

at Steema.TeeChart.TChart.Draw(Graphics g)

at Steema.TeeChart.TChart.OnPaint(PaintEventArgs pe)

at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs)

at System.Windows.Forms.Control.WmPaint(Message& m)

at System.Windows.Forms.Control.WndProc(Message& m)

at System.Windows.Forms.ControlNativeWindow.OnMessage(Message& m)

at System.Windows.Forms.ControlNativeWindow.WndProc(Message& m)

at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

Hi Terry,

Could you plaese post the messages you are speaking about? It would also be very helpful if you attach an example we can run "as-is" or post some code to reproduce the problem here. You can post your files at news://www.steema.net/steema.public.attachments newsgroups.

BTW: A couple of weeks ago we made available a new maintenance release and another release is imminent.