xaml - Getting Show Password checkbox instead of Reveal Button -

xaml - Getting Show Password checkbox instead of Reveal Button -

trying add together reveal button passwordbox, instead getting "show password" checkbox. using next code:

ispasswordrevealbuttonenabled="true"

expected result: http://i.stack.imgur.com/gsefr.png

results in emulator: http://i.stack.imgur.com/1fql8.png

full passwordbox code:

<passwordbox margin="10,5,10,5" x:name="passwordlogin" grid.row="2" fontsize="{staticresource textstyleextralargefontsize}" verticalalignment="stretch" ispasswordrevealbuttonenabled="true" />

this default behavior in windows phone. in windows show icon in textbox in windows phone show checkbox below password box

xaml windows-runtime windows-phone-8.1