C# How to check all checkboxes on listview

How to check all checkboxes on listview?

xml:

  <GridViewColumn Width="30" >
                    <GridViewColumn.CellTemplate>
                        <DataTemplate>
                            <StackPanel Orientation="Horizontal">
                                <CheckBox Name="CheckBox" Padding="10" IsChecked="{Binding IsChecked}"/>                           
                                <TextBlock Text="{Binding Data}"/>
                            </StackPanel>
                        </DataTemplate>
                    </GridViewColumn.CellTemplate>
                </GridViewColumn>