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If YAxis AxisAlignment is set to AxisAlignment.Left, then functions
XAxis.GetDataValue and XAxis.GetCoordinate give incorrect values (shifted by YAxis width).

Need to add/subtract YAxis width to get correct values, like that:

this.chart.XAxis.GetCoordinate(verticalLine.X1) + this.chart.YAxis.ActualWidth

this.chart.XAxis.GetDataValue(e.MousePoint.X - this.chart.YAxis.ActualWidth)
WPF
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Hi there,

Thank you for your enquiry! Please see this related post which shows how to translate the points relative to the chart panel. We use e.GetPosition on the MouseEventArgs passing in the sciChartSurface.ModifierSurface (which is a panel in the centre of the chart).

Hope this helps,

Andrew

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