c# - How to specify DataTemplate for object -

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i have following code:

public class fieldviewerselector : imultivalueconverter {     public datatemplate percenttemplate { get; set; }     public datatemplate filesizetemplate { get; set; }      #region ivalueconverter members     //....     #endregion }  <commonconverters:fieldvalueconverter x:key="fieldvalueconverter" /> <commonconverters:percentvalueconverter x:key="percentvalueconverter" /> <commonconverters:filesizevalueconverter x:key="filesizevalueconverter" />  <commonconverters:fieldviewerselector x:key="fieldviewerselector">      <commonconverters:fieldviewerselector.filesizetemplate>         <datatemplate>             <!--datatemplate same-->         </datatemplate>     </commonconverters:fieldviewerselector.filesizetemplate>      <commonconverters:percentvalueconverter>         <datatemplate>             <!--datatemplate same-->         </datatemplate>     </commonconverters:percentvalueconverter>  </commonconverters:fieldviewerselector>   <datatemplate x:key="template">      <grid>         <grid.columndefinitions>             <columndefinition width="250" />             <columndefinition width="*" />         </grid.columndefinitions>          <textblock style="{staticresource leftcolumn}" text="{binding path=displayname, mode=oneway}"/>          <border background="{staticresource lightgray}" grid.column="1">             <textbox style="{staticresource readonlytextbox}">                 <textbox.text>                 <binding                      <!--only following line different depends on property-->                                      converter="{staticresource percentvalueconverter}"                     <!--converter="{staticresource fieldvalueconverter}"-->                     mode="oneway"                     path="datacontext.item"                     relativesource="{relativesource ancestortype=window}"/>                 </textbox.text>             </textbox>         </border>      </grid>  </datatemplate>

so don't know how specify particaular datatemplate correct converter via binding or way. have in order not repeat myself =)


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