DxDropDownButtonBase.DropDownVisible Property

Specifies the current state of a drop-down element (visible/hidden).

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v25.1.dll

NuGet Package: DevExpress.Blazor

Declaration

[DefaultValue(false)]
[Parameter]
public bool DropDownVisible { get; set; }

Property Value

Type	Default	Description
Boolean	false	true if the drop-down element is visible; otherwise, false.

Remarks

Use the DropDownVisible property to show/hide the target element’s drop-down menu or window.

The following components implement the DropDownVisible property:

DxDropDownButton

A toggleable button that reveals a drop-down element with a list of commands or custom content.

DxSplitButton

A composite control that consists of a primary button and a toggleable secondary button that reveals a drop-down element.

DxDropDownButtonItem

Defines a drop-down list item. Used in DxDropDownButton or DxSplitButton.

To respond to the property change, handle the DropDownVisibleChanged event.

Example

The following code snippet displays the current visibility state of the DxDropDownButton component’ drop-down menu:

<p>Is menu expanded - @IsDropDownVisible</p>

<DxDropDownButton Text="Blazor Components"
                  RenderStyleMode="ButtonRenderStyleMode.Outline"
                  DropDownVisible="@IsDropDownVisible"
                  DropDownVisibleChanged="OnDropDownVisibleChanged">
    <Items>
        <DxDropDownButtonItem Text="Documentation"
                              NavigateUrl="https://docs.devexpress.com/Blazor/400725/blazor-components" />
        <DxDropDownButtonItem Text="Demos"
                              NavigateUrl="https://demos.devexpress.com/blazor/" />
    </Items>
</DxDropDownButton>

@code {
    bool IsDropDownVisible = false;

    void OnDropDownVisibleChanged(bool isVisible) {
        IsDropDownVisible = isVisible;
    }
}