prs/prs.desktop/Components/TeamSelector/TeamSelector.xaml

<UserControl x:Class="PRSDesktop.TeamSelector"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:local="clr-namespace:PRSDesktop"
             xmlns:Syncfusion="http://schemas.syncfusion.com/wpf"
             mc:Ignorable="d"
             d:DesignHeight="600" d:DesignWidth="200">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
        </Grid.ColumnDefinitions>
        
        <Syncfusion:CheckListBox 
            x:Name="SelectedTeams"
            DisplayMemberPath="Value"
            IsSelectAllEnabled="False" 
            IsCheckOnFirstClick="True"
            ItemChecked="SelectedTeams_OnItemChecked" />
            
    </Grid>

</UserControl>