Drill Method

'Declaration
 
Sub Drill( _
   ByVal row As Integer, _
   ByVal column As Integer, _
   ByVal chartType As ChartType, _
   ByVal dataSource As Object _
) 

void Drill( 
   int row,
   int column,
   ChartType chartType,
   object dataSource
)

Parameters

row

DataRow index underlying the parent chart element the end user has drilled down into.

column

DataColumn index underlying the parent chart element the end user has drilled down into.

chartType

The future chart type (after the Drill callback returns.)

dataSource

The future data source (bound to the future chart type after Drill callback returns.)

This is a callback method from within the control's drill down processing that gives developers the opportunity to modify a chart's appearance and presentation when end users drill down into previously prepared drillable chart elements (see the DrillElement class for more information on defining the drill down hierarchy).

Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

IDrillDown Interface
IDrillDown Members