TreeViewControl.CheckAllNodes() Method
Checks all nodes.
Namespace: DevExpress.Xpf.Grid
Assembly: DevExpress.Xpf.Grid.v22.2.dll
NuGet Package: DevExpress.Wpf.Grid.Core
Declaration
Remarks
Set the TreeViewControl.ShowCheckboxes property to true to display check boxes:
Use the following methods to check/uncheck nodes in code:
| Method | Description |
|---|---|
| TreeViewControl.CheckAllNodes | Checks all nodes. |
| TreeViewControl.UncheckAllNodes | Unchecks all nodes. |
| TreeListNode.IsChecked | Checks/unchecks the node. |
When a node’s check state is changed, the TreeViewControl raises the TreeViewControl.NodeCheckStateChanged event. Use the TreeListNode.IsChecked property to identify whether a node is checked.
See Also