Hi Feng,
Thank you for the feedback. We will track this request and consider it in accordance with the customer demand.
What I would suggest as an alternative option is to use kendoDropDownButtonItemTemplate with the combination of our Menu component as demonstrated in the following StackBlitz example:
https://stackblitz.com/edit/angular-kdzpxm?file=app%2Fapp.component.ts
I hope this helps.
Regards,
Yanmario Menev
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