DxTreeView.AfterCollapse Event

Fires after a node has been collapsed.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

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

Event Data

The AfterCollapse 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.

Remarks

The AfterCollapse event fires after a node has been collapsed. The following code sample handles the AfterCollapse event.

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

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