Hi,
Thanks for choosing Syncfusion products.
XAML:
By setting the ShowToolTip property to False,the Tolltip will disable.
We have attached a simple sample illustrating this, and the sample can be obtained from the following location.
Sample: http://www.syncfusion.com/uploads/redirect.aspx?&team=support&file=Tooltip625707347.zip
Please let us know if you need any further assistance.
Regards,
Karthika