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Customize Menu Bar Using Events in Blazor Menu Bar component

03 Aug 2021 / 1 minute to read

The Menu Bar provides a set of events to enable users to customize it.

The available events are OnOpen, OnClose, Closed, Opened, and ItemSelected.

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@using Syncfusion.Blazor.Navigations

<SfMenu TValue="MenuItem">
    <MenuItems>
        <MenuItem Text="File">
            <MenuItems>
                <MenuItem Text="Open"></MenuItem>
                <MenuItem Text="Save"></MenuItem>
                <MenuItem Text="Exit"></MenuItem>
            </MenuItems>
        </MenuItem>
        <MenuItem Text="Edit">
            <MenuItems>
                <MenuItem Text="Cut"></MenuItem>
                <MenuItem Text="Copy"></MenuItem>
                <MenuItem Text="Paste"></MenuItem>
            </MenuItems>
        </MenuItem>
        <MenuItem Text="View">
            <MenuItems>
                <MenuItem Text="Toolbars"></MenuItem>
                <MenuItem Text="Zoomr"></MenuItem>
                <MenuItem Text="Full Screen"></MenuItem>
            </MenuItems>
        </MenuItem>
        <MenuItem Text="Tools">
            <MenuItems>
                <MenuItem Text="Spelling & Grammar"></MenuItem>
                <MenuItem Text="Customize"></MenuItem>
                <MenuItem Text="Options"></MenuItem>
            </MenuItems>
        </MenuItem>
        <MenuItem Text="Go"></MenuItem>
        <MenuItem Text="Help"></MenuItem>
    </MenuItems>
    <MenuEvents TValue="MenuItem"  OnOpen="onOpen" OnClose="onClose" Opened="opened" Closed="closed" ItemSelected="itemSelected"></MenuEvents>
</SfMenu>
<div id="preview">@eventName Event Triggered</div>

@code{

    private string eventName = "No";
    private void onOpen()
    {
        this.eventName = "OnOpen";
    }

    private void onClose()
    {
        this.eventName = "OnClose";
    }

    private void opened()
    {
        this.eventName = "Opened";
    }

    private void closed()
    {
        this.eventName = "Closed";
    }

    private void itemSelected()
    {
        this.eventName = "ItemSelected";
    }
}

<style>
    #preview {
        float: right;
        padding: 0 350px 0 0;
    }
</style>

Output be like

Menu Sample