DxMenuItem.ExpandedChanged Event

Fires when nested items expand or collapse.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v24.2.dll

NuGet Package: DevExpress.Blazor

Declaration

[Parameter]
public EventCallback<bool> ExpandedChanged { get; set; }

Parameters

Type	Description
Boolean	A new Expanded property value.

Remarks

Handle the ExpandedChanged event to respond to Expanded property value changes.

<div class="card w-100">
    <div class="card-body p-0">
        <DxMenu Title="DevExpress" ItemsPosition="ItemPosition.End" CollapseItemsToHamburgerMenu="true">
            <Items>
                <DxMenuItem Text="Home" ExpandedChanged=@ExpandedChanged IconCssClass="menu-icon-home menu-icon">
                    <Items>
                        <DxMenuItem Text="News">
                            <Items>
                                <DxMenuItem Text="Explore our newest features" NavigateUrl="https://www.devexpress.com/support/versions.xml#version-history" target="_blank" />
                                <DxMenuItem Text="Website news" NavigateUrl="https://www.devexpress.com/aboutus/newsreviews/" target="_blank" />
                            </Items>
                        </DxMenuItem>
                        <DxMenuItem Text="Our Mission" NavigateUrl="https://www.devexpress.com/aboutus/" target="_blank" />
                        <DxMenuItem Text="Our Customers" NavigateUrl="https://www.devexpress.com/aboutus/testimonials/" target="_blank" />
                    </Items>
                </DxMenuItem>
                @* ... *@
            </Items>
        </DxMenu>
    </div>
</div>

@Message

@code {
    String Message = "";
    void ExpandedChanged(bool IsVisible) {
        if(IsVisible) {
            Message = "Expanded";
        }
        else {
            Message = "Collapsed";
        }
    }
}