xaml-sdk/GanttView/StartEndEventContainers/MainWindow.xaml

<Window x:Class="StartEndEventContainers.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:local="clr-namespace:StartEndEventContainers"
        Title="Start and End label EventContainers" Height="400" Width="1100">
    <Grid>
        <local:Example />
    </Grid>
</Window>