dashboard-js-devexpress-dot-dashboard-d0676f8e.md
Provides data for the ItemDrillDownState event.
export interface ItemDrillDownStateChangedEventArgs extends DashboardItemBaseEventArgs
The ItemDrillDownStateChanged event is raised when an end-user performs drill-down or drill-up in a certain dashboard item. Use the ViewerApiExtensionOptions.onItemDrillDownStateChanged handler to raise the ItemDrillDownState event. To determine the component name of the dashboard item, use the ItemName event parameter. Other event parameters include the following:
DashboardItemBaseEventArgs ItemDrillDownStateChangedEventArgs
Gets the drill-down action performed in the dashboard item.
action: "Down" | "Up"
| Name | Description |
|---|---|
| "Down" |
Identifies a drill-down.
| | "Up" |
Identifies a drill-up.
|
Gets values from the current drill-down hierarchy.
values: Array<DevExpress.Dashboard.Data.PrimitiveType>
| Type | Description |
|---|---|
| PrimitiveType[] |
An array of drill-down values.
|
In OLAP mode, the values property returns unique names instead of values.