dashboard-devexpress-dot-dashboardcommon-dot-dashboard-e6d98250.md
Occurs after the collection of dashboard parameters has been changed.
Namespace : DevExpress.DashboardCommon
Assembly : DevExpress.Dashboard.v25.2.Core.dll
NuGet Package : DevExpress.Dashboard.Core
public event EventHandler<NotifyingCollectionChangedEventArgs<DashboardParameter>> ParameterCollectionChanged
Public Event ParameterCollectionChanged As EventHandler(Of NotifyingCollectionChangedEventArgs(Of DashboardParameter))
The ParameterCollectionChanged event's data class is NotifyingCollectionChangedEventArgs<DashboardParameter>. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| AddedItems | Gets items added to the NotifyingCollection<T>. |
| RemovedItems | Gets items removed from the NotifyingCollection<T>. |
The ParameterCollectionChanged event is raised after dashboard parameters are added to or removed from the Dashboard.Parameters collection.
Use the event parameter’s NotifyingCollectionChangedEventArgs1.AddedItems](/Dashboard/DevExpress.DataAccess.NotifyingCollectionChangedEventArgs-1.AddedItems) and [NotifyingCollectionChangedEventArgs1.RemovedItems properties to determine which parameters have been added or removed respectively.
See Also