GridViewを使ってボタンを追加する
<Window.Resources>
<DataTemplate x:Key="DeleteButton">
<Button Content="Delete"/>
</DataTemplate>
</Window.Resources>
<ListView>
<ListView.View>
<GridView>
<GridViewColumn DisplayMemberBinding="{Binding Date}">
<GridViewColumnHeader Content="Date" Click="GridViewColumnHeader_Click" />
</GridViewColumn>
<GridViewColumn CellTemplate="{StaticResource DeleteButton}">
<GridViewColumnHeader Content="Delete"/>
</GridViewColumn>
</GridView>
</ListView.View>
</ListView>