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Bug 1844 - CalcClickedPart throws exception
Summary: CalcClickedPart throws exception
Status: RESOLVED WORKSFORME
Alias: None
Product: .NET TeeChart
Classification: Unclassified
Component: Chart (show other bugs)
Version: TeeChart for .Net 4.1.2016.05125
Hardware: PC Windows
: High major
Target Milestone: ---
Assignee: Steema Issue Manager
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2017-04-18 06:12 EDT by Sunil Ramesh
Modified: 2017-05-29 11:15 EDT (History)
1 user (show)

See Also:
Chart Series: ---
Delphi / C++ Builder RAD IDE Version:

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Description Sunil Ramesh 2017-04-18 06:12:47 EDT 
Steps to reproduce:
1. Add series to data chart of type Line
2. Enable free rotate.
4. Rotate the data chart to the maximum angle allowed.
5. Call Chart.CalcClickedPart(location) will throw the below error

Exception: Negating the minimum value of a twos complement number is invalid.

mscorlib
at System.Math.AbsHelper(Int32 value)
at Steema.TeeChart.Styles.CustomPoint.ClickedPointer(Int32 valueIndex, Int32 tmpX, Int32 tmpY, Int32 x, Int32 y)
at Steema.TeeChart.Styles.CustomPoint.Clicked(Int32 x, Int32 y)
at Steema.TeeChart.Styles.Custom.Clicked(Int32 x, Int32 y)
at Steema.TeeChart.Styles.Series.Clicked(Point p)
at Steema.TeeChart.Chart.CalcNeedClickedPart(Point Pos, Boolean Needed)
at Steema.TeeChart.Chart.CalcClickedPart(Point Pos)
at DataGenic.Gdm.Extensibility.SeriesDataChart.DataChart_MouseMove(Object sender, MouseEventArgs e)
at System.Windows.Forms.Control.OnMouseMove(MouseEventArgs e)
at Steema.TeeChart.TChart.OnMouseMove(MouseEventArgs e)
at System.Windows.Forms.Control.WmMouseMove(Message& m)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
Comment 1 christopher ireland 2017-05-29 11:15:30 EDT 
Cannot reproduce in the head revision using the following code:

    private void InitializeChart()
    {
      Line series = new Line(tChart1.Chart);
      series.FillSampleValues();
      tChart1.Tools.Add(typeof(Rotate));

      tChart1.MouseDown += TChart1_MouseDown;
    }

    private void TChart1_MouseDown(object sender, MouseEventArgs e)
    {
      ChartClickedPart part = tChart1.Chart.CalcClickedPart(e.Location);
      tChart1.Header.Text = part.Part.ToString();
    }