jqwidgets-scripts-custom/demos/Angular/treegrid/contextmenu/src/app/app.component.html

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

<jqxTreeGrid [theme]="'material'" #myTreeGrid
    (onContextmenu)="myTreeGridOnContextmenu()" (onRowClick)="myTreeGridOnRowClick($event)"
    [width]="getWidth()" [source]="dataAdapter" [columns]="columns"
    [columnsResize]="true" [ready]="ready">
</jqxTreeGrid>

<jqxMenu [theme]="'material'" #myMenu (onItemclick)="myMenuOnItemClick($event)"
    [width]="200" [height]="58" [autoOpenPopup]="false" [mode]="'popup'">
    <ul>
        <li>Edit Selected Row</li>
        <li>Delete Selected Row</li>
    </ul>
</jqxMenu>