Relativesource={relativesource TemplatedParent}

<!--button style start-    <style x:key= "Notifybtnstyle" targettype= "{x:type commondcontrol:i Mgbutton} ">         <setter property=" FocusVisualStyle "                 value= "{x:null}"/>          <setter property= "Cursor" value= "Hand"/>          <setter property= "Template" >              <Setter.Value>                  <controltemplate targettype= "{x:type Commondcontrol:imgbutton}" >                      <grid name= "BG"                             height= "{TemplateBinding Height}"                            width= "{ TemplateBinding Width} ">                          <Grid.ColumnDefinitions>                               <columndefinition width= "Auto"/>                               <columndefinition width= "*"/>                          </Grid.ColumnDefinitions>                          <image name= "Buttonimage"                                  horizontalalignment= "Center"                                  verticalalignment= "Center"                                 stretch= "Fill"                                 width= "{Binding imagewidth, Relativesource={relativEsource TemplatedParent}} "                                height= "{ Binding Imageheight,relativesource={relativesource TemplatedParent}} "                                 source= "{Binding imagenormal,relativesource={relativesource TemplatedParent}}"                                />                          <textblock x:name= "Text"                                     grid.column= "1"                                      text= "{TemplateBinding Content}"                                      margin= "3,0,0,0"                                      foreground= "{TemplateBinding Foreground}"                                      horizontalalignment= "Center"                                      verticalalignment= "Center"/>                      </Grid>

</ControlTemplate> </Setter.Value> </Setter> </Style>

Relativesource={relativesource TemplatedParent}