下面的示例演示了如何隐藏 budget 小于 $100,000 的 departments。

下面的插图展示了结果：

C#CopyCode image复制代码
using DevExpress.XtraTreeList;

private void treeList1_FilterNode(object sender, FilterNodeEventArgs e) {
    if(Convert.ToInt32(e.Node[colBUDGET]) < 100000) {
        e.Node.Visible = false;
        e.Handled = true;
    }
}
Visual BasicCopyCode image复制代码
Imports DevExpress.XtraTreeList

Private Sub TreeList1_FilterNode(ByVal sender As Object, _
ByVal e As FilterNodeEventArgs) Handles TreeList1.FilterNode
    If Convert.ToInt32(e.Node(colBUDGET)) < 100000 Then
        e.Node.Visible = False
        e.Handled = True
    End If
End Sub