DxTreeView.AfterExpand Event

Fires after a node has been expanded.

Assembly : DevExpress.Blazor.v25.2.dll

Declaration

csharp

[Parameter]
public Action<TreeViewNodeEventArgs> AfterExpand { get; set; }

The AfterExpand event's data class is TreeViewNodeEventArgs. The following properties provide information specific to this event:

Property	Description
CausedByAPI	Obsolete. Specifies whether an event was triggered by a user action or programmatically.
NodeInfo	Returns information about a node related to the event.
Reason	Returns the reason why the TreeView node’s state changes.

The AfterExpand event fires after a node has been expanded. The following code sample handles the AfterExpand event.

razor

<DxTreeView AfterExpand="@AfterExpand">
    ...
</DxTreeView>

@code {
    void AfterExpand(TreeViewNodeEventArgs e) {
        // your code
    }
}