SchedulerControl.ItemsCollectionChanged Event
Occurs when an item within the Scheduler collection has been modified.
Namespace: DevExpress.Xpf.Scheduling
Assembly: DevExpress.Xpf.Scheduling.v23.2.dll
NuGet Package: DevExpress.Wpf.Scheduling
Declaration
Event Data
The ItemsCollectionChanged event's data class is ItemsCollectionChangedEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| Action | Indicates the action performed to change the collection. |
| Collection | Provides access to the modified collection. |
| ItemType | Indicates the items collection type. |
| NewItems | Gets a list of new items within the collection. |
| NewStartingIndex | Indicates a new index of a modified item in the collection. |
| OldItems | Gets a list of old items in the collection. |
| OldStartingIndex | Gets the previous index of a modified item in the collection. |
Remarks
The ItemsCollectionChanged event occurs when modifying one of the following collections:
- AppointmentItemCollection;
- ResourceItemCollection;
- AppointmentLabelItemCollection;
- AppointmentStatusItemCollection.
The event argument allows you to access the action performed with the collection (ItemsCollectionChangedEventArgs.Action), the type of the collection (ItemsCollectionChangedEventArgs.ItemType) and the modified items and their indexes.