Use this type of constructor when the series will be manually added to the chart, otherwise use the constructor accepting the data source range parameter. Adds a new chart to the collection without specifying the data source range. The location and the size of the chart inside the worksheet are specified by the left column, top row, right column and bottom row parameters.

public ExcelChart AddChart(
	ExcelChartType chartType,
	int leftColumnIndex,
	int topRowIndex,
	int rightColumnIndex,
	int bottomRowIndex
)

Public Function AddChart ( _
	chartType As ExcelChartType, _
	leftColumnIndex As Integer, _
	topRowIndex As Integer, _
	rightColumnIndex As Integer, _
	bottomRowIndex As Integer _
) As ExcelChart

public:
ExcelChart^ AddChart(
	ExcelChartType chartType, 
	int leftColumnIndex, 
	int topRowIndex, 
	int rightColumnIndex, 
	int bottomRowIndex
)