Developers set the properties of DrillElement for the top most chart and each child chart that can be drilled to. The end result of successfully preparing a set of DrillElements will be a tree-like structure where the data elements rendered on the chart are drillable to different child charts depicting more detailed information (potentially presented in alternate chart types, i.e., drilling from a 3D Bar Chart to a Pie Chart).
For these purposes, developers will find it necessary to set (at minimum) the DrillElement's ID property (identifying what data element on a parent chart will be drillable), its Data source (identifying where information comes from to populate the child chart drilled to), and the chart type (of the child chart).
An additional property that may be of interest include setting an IDrillDown implementation that will be called-back when a drill down occurs to that child chart. Setting an IDrillDown implementation is optional, but provides an opportunity for the application to customize the presentation of the Chart's title, axes, et al.
Target Platforms: Windows 10, Windows 8.1, Windows 8, 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