You can get the slice of a Pie with a click using the following method:
To write code in Visual Basic
| Visual Basic |
Copy Code
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Dim seriesIndex = 0
Dim pointIndex = 0
Private Sub C1Chart1_MouseMove(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles C1Chart1.MouseMove
Dim si, pi, d As Integer
If C1Chart1.ChartGroups(0).CoordToDataIndex(e.X, e.Y, _
C1.Win.C1Chart.CoordinateFocusEnum.XandYCoord, si, pi, d) Then
seriesIndex = si
pointIndex = pi
End If
End Sub
Private Sub C1Chart1_MouseClick(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles C1Chart1.MouseClick
MsgBox(C1Chart1.ChartGroups(0).ChartData(seriesIndex).Y(pointIndex))
End Sub
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To write code in C#
| C# |
Copy Code
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var seriesIndex = 0;
var pointIndex = 0;
private void // ERROR: Handles clauses are not supported in C# C1Chart1_MouseMove(System.Object sender, System.Windows.Forms.MouseEventArgs e)
{
int si = 0;
int pi = 0;
int d = 0;
if (C1Chart1.ChartGroups(0).CoordToDataIndex(e.X, e.Y, C1.Win.C1Chart.CoordinateFocusEnum.XandYCoord, si, pi, d)) {
seriesIndex = si;
pointIndex = pi;
}
}
private void // ERROR: Handles clauses are not supported in C# C1Chart1_MouseClick(System.Object sender, System.Windows.Forms.MouseEventArgs e)
{
Interaction.MsgBox(C1Chart1.ChartGroups(0).ChartData(seriesIndex).Y(pointIndex));
}
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