c# - Windows Phone 8.1 Runtime - how to make listbox longer length when selecting -


simplified xaml demonstrate problem, listbox.item's added in code behind (but not relevant question):

<grid height="200">     <grid.rowdefinitions>             <rowdefinition height="60"/>     </grid.rowdefinitions>     <listbox x:name="lbpurpose"  fontsize="28" /> </grid>

when listbox tapped, 1 row high (60 pixels set row definition). there property can set allow grow 200 pixels when in focus make scrolling through list easier - return original size when not in focus? it's dificult scroll through when 1 row displayed @ time.

thank you!

rookie mistake.......... wanted combo box , grid row height should have been auto. thanks!!

<grid height="200">     <grid.rowdefinitions>         <rowdefinition height="auto"/>     </grid.rowdefinitions>     <combobox x:name="lbpurpose"  fontsize="28"/> <grid>

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