excel - What does the number in the AddChart2 VBA macro represent?

Question

I've use my Excel 2013 to record a macro in inserting a chart, a column-clustered chart in my case. In the view code option, it shows me a line of code as below:

ActiveSheet.Shapes.Addchart2(286,xl3DColumnClustered).Select

Please help me as I cannot understand what does the number 286 represent. I know the syntax of Addchart2 is:

expression.AddChart2(Style,XlChartType,Left,Top,Width,Height,NewLayout)

If I change the "286" to "285", the chart appears with a blue background. An error comes out if the number is 100.

Can anyone kindly tell me what does the number represent?

Answer 1

One can also provide only the ChartType and the application will use the default style.

Set oShp = ActiveSheet.Shapes.AddChart2(XlChartType:=xl3DColumnClustered)
oShp.Chart.SetSourceData Source:=RngDta

This picture shows the default ChartStyle for all ChartTypes (excluding StockHLC and StockVOHLC)