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V25.1
  • NavigationCheckedChangedEventArgs<TInfo>.LastUncheckedItems Property

    Returns items unchecked during the last operation.

    Namespace: DevExpress.Blazor.Base

    Assembly: DevExpress.Blazor.v25.1.dll

    NuGet Package: DevExpress.Blazor

    Declaration

    public IReadOnlyList<TInfo> LastUncheckedItems { get; }

    Property Value

    Type Description
    IReadOnlyList<TInfo>

    Items unchecked during the last check operation.

    Remarks

    The LastUncheckedItems collection does not contain nodes with indeterminate state. The following code snippet displays the last unchecked node’s text:

    Last unchecked node: @LastUnchecked
    
    <DxTreeView Data="@Data"
                CheckMode="TreeViewCheckMode.Recursive"
                CheckedChanged="CheckedChanged">
        <DataMappings>
            <DxTreeViewDataMapping Text="Name"
                                   Key="Id"
                                   ParentKey="CategoryId" />
        </DataMappings>
    </DxTreeView>
    
    @code {
        string? LastUnchecked = "none";
        void CheckedChanged(TreeViewCheckedChangedEventArgs e) {
            var lastUncheckedNode = e.LastUncheckedItems.LastOrDefault();
            LastChecked = lastUncheckedNode != null ? lastUncheckedNode.Text : "none";
        }
    }
    
    See Also