Specifying the Source Data for the Chart by using the SetSourceData method of the Chart object
Sub width()
Dim myChartObject As ChartObject
Set myChartObject = ActiveSheet.ChartObjects.Add(Left:=200, Top:=200, _
Width:=400, Height:=300)
myChartObject.Chart.SetSourceData Source:= _
ActiveWorkbook.Sheets("Chart Data").Range("A1:E5")
End Sub