Creates a copy of the specified chart and adds it to the current worksheet. This method allows you to add a chart from an external workbook to the worksheet, or to duplicate a chart within a single workbook. The properties and settings on the original chart will be preserved

 public void AddChart(Chart chart, Anchor cornerTopLeft)
Public Sub AddChart(ByVal chart As Chart, ByVal cornerTopLeft As Anchor)

The new Chart to add to the workbook.

The location on the new worksheet to anchor the upper left corner of the chart.