c# - how to set time for opening toolkit contextmenu -


here using toolkit context menu in listbox data template when user long press or hold on listbox item opens context menu take long time open , long press miss. please give me solution.

<toolkit:contextmenuservice.contextmenu>     <toolkit:contextmenu>         <toolkit:menuitem click="addmenuitem_click" header="add"/>                    <toolkit:menuitem click="deletemenuitem_click" header="delete"/>         <toolkit:menuitem click="updatemenuitem_click" header="update"/>       </toolkit:contextmenu>  </toolkit:contextmenuservice.contextmenu>


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