how to set checkbox column's header as checkbox

[AmberHan]

how to set checkbox column's header as checkbox
<DataTemplate> <LightCheckBox Margin="8 0 0 0" HorizontalAlignment="Left" IsChecked="{ReflectionBinding IsSelected}" Command="{ReflectionBinding ElementName=View, Path=DataContext.UpdateAllCheckedCommand}" /> </DataTemplate>

[keynes1981]

Columns= { new CheckBoxColumn<yourmodel>(new CheckBox(),x=>x.IsChecked,(m,x)=>m.IsChecked=x,...) }