DxTreeViewBase.AfterCollapse Event

The AfterCollapse event fires after a node has been collapsed. The following code sample illustrates how to handle the AfterCollapse event.

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

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