DxTreeView.CollapseAll() Method
Collapses all nodes in the DxTreeView.
Namespace: DevExpress.Blazor
Assembly: DevExpress.Blazor.v20.2.dll
NuGet Package: DevExpress.Blazor
Declaration
public void CollapseAll()
Remarks
Use the ExpandAll() and CollapseAll methods to expand and collapse all nodes in the DxTreeView.
The code sample below demonstrates how to implement the Expand all and Collapse all buttons.
<button type="button" @onclick="@(() => SampleTreeView.ExpandAll())">Expand all</button>
<button type="button" @onclick="@(() => SampleTreeView.CollapseAll())">Collapse all</button>
<DxTreeView @ref="@SampleTreeView">
...
</DxTreeView>
@code {
DxTreeView SampleTreeView;
...
See Also