DxToolbarItem.DropDownVisibleChanged Event

Fires when an item’s drop-down window visibility is changed.

Namespace: DevExpress.Blazor

Assembly: DevExpress.Blazor.v21.1.dll

Declaration

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

Parameters

Type Description
Boolean

A new value of the DropDownVisible property.

Remarks

Handle the DropDownVisibleChanged event to respond to the DropDownVisible property change.

<p>Is item exapnded - @IsDropDownVisible</p>
<DxToolbar>
    <DxToolbarItem Text="Data operations" 
                   DropDownVisible="@IsDropDownVisible" 
                   DropDownVisibleChanged="OnDropDownVisibleChanged">
        <Items>
            <DxToolbarItem Text="Insert"></DxToolbarItem>
            <DxToolbarItem Text="Edit"></DxToolbarItem>
            <DxToolbarItem Text="Delete"></DxToolbarItem>
        </Items>
    </DxToolbarItem>
</DxToolbar>

@code {
    bool IsDropDownVisible = false;

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

Run Demo: Toolbar - Drop-Down Items

See Also