MainWindow.xaml

<Window x:Class="Elmish.WPF.Samples.OneWaySeq.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:vm="clr-namespace:Elmish.WPF.Samples.OneWaySeq;assembly=OneWaySeq.Core"
        Title="OneWaySeq"
        Height="400"
        Width="400"
        WindowStartupLocation="CenterScreen"
        mc:Ignorable="d"
        d:DataContext="{x:Static vm:Program.designVm}">
  <StackPanel>
    <TextBlock
        Text="This sample shows the difference between Binding.oneWay and Binding.oneWaySeq. For oneWay, the whole ListView is re-rendered for every change. For oneWaySeq, only the new item is added."
        Margin="10,20,10,10"
        TextWrapping="Wrap" />
    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center">
      <StackPanel Margin="0,0,50,0">
        <TextBlock Text="Binding.oneWay" FontSize="16" FontWeight="Bold" HorizontalAlignment="Center" Margin="0,0,0,10" />
        <Button Command="{Binding AddOneWayNumber}" Content="Add number" Width="150" Margin="0,0,0,20" />
        <ListView ItemsSource="{Binding OneWayNumbers}" />
      </StackPanel>
      <StackPanel>
        <TextBlock Text="Binding.oneWaySeq" FontSize="16" FontWeight="Bold" HorizontalAlignment="Center" Margin="0,0,0,10" />
        <Button Command="{Binding AddOneWaySeqNumber}" Content="Add number" Width="150" Margin="0,0,0,20" />
        <ListView ItemsSource="{Binding OneWaySeqNumbers}" />
      </StackPanel>
    </StackPanel>
  </StackPanel>
</Window>