c# - WPF PasswordBox hint not working -

i'm trying style passwordbox in wpf can show hint. i'm doing using following code in resourcedictionary:

<resourcedictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"                     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"                     xmlns:local="clr-namespace:budgetbuddy.styles">      <style x:key="pbhintstyle" targettype="{x:type passwordbox}">         <setter property="background" value="{dynamicresource {x:static systemcolors.windowbrushkey}}"/>         <setter property="borderbrush" value="#ffabadb3"/>         <setter property="foreground" value="{dynamicresource {x:static systemcolors.controltextbrushkey}}"/>         <setter property="borderthickness" value="1"/>         <setter property="keyboardnavigation.tabnavigation" value="none"/>         <setter property="horizontalcontentalignment" value="left"/>         <setter property="focusvisualstyle" value="{x:null}"/>         <setter property="allowdrop" value="true"/>         <setter property="scrollviewer.panningmode" value="verticalfirst"/>         <setter property="stylus.isflicksenabled" value="false"/>         <setter property="template">             <setter.value>                 <controltemplate targettype="{x:type passwordbox}">                     <border                              x:name="border"                              borderbrush="{templatebinding borderbrush}" borderthickness="{templatebinding borderthickness}" background="{templatebinding background}"                              snapstodevicepixels="true"                             cornerradius="4"                             padding="5 2 0 0">                         <grid>                             <scrollviewer x:name="part_contenthost" focusable="false" horizontalscrollbarvisibility="hidden" verticalscrollbarvisibility="hidden"/>                             <textblock x:name="warktext" text="{templatebinding tag}" foreground="dimgray" visibility="collapsed" />                         </grid>                     </border>                     <controltemplate.triggers>                         <trigger property="isenabled" value="false">                             <setter property="opacity" targetname="border" value="0.56"/>                         </trigger>                         <trigger property="ismouseover" value="true">                             <setter property="borderbrush" targetname="border" value="#ff7eb4ea"/>                         </trigger>                         <trigger property="iskeyboardfocused" value="true">                             <setter property="borderbrush" targetname="border" value="#ff569de5"/>                         </trigger>                         <multitrigger>                             <multitrigger.conditions>                                 <condition property="isfocused" value="false"/>                             </multitrigger.conditions>                             <setter property="visibility" targetname="warktext" value="visible"/>                         </multitrigger>                     </controltemplate.triggers>                 </controltemplate>             </setter.value>         </setter>         <style.triggers>             <multitrigger>                 <multitrigger.conditions>                     <condition property="isinactiveselectionhighlightenabled" value="true"/>                     <condition property="isselectionactive" value="false"/>                 </multitrigger.conditions>                 <setter property="selectionbrush" value="{dynamicresource {x:static systemcolors.inactiveselectionhighlightbrushkey}}"/>             </multitrigger>         </style.triggers>     </style>  </resourcedictionary> 

this code works problem. shows hint, shows chars password chars problem after typing password in field shows hint on password chars.

here screenshots:

here problem:

how fix this? in advance. :)

you can try :

<multitrigger>     <multitrigger.conditions>         <condition property="isfocused" value="false"/>         <condition property="text" value=""/>     </multitrigger.conditions>     <setter property="visibility" targetname="warktext" value="visible"/> </multitrigger> <multitrigger>     <multitrigger.conditions>         <condition property="isfocused" value="false"/>         <condition property="text" value="{x:null}"/>     </multitrigger.conditions>     <setter property="visibility" targetname="warktext" value="visible"/> </multitrigger> 

if text not empty or null, hint shown, otherwise no.

hope you.