Avalonia/samples/ControlCatalog/Pages/RefreshContainerPage.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:viewModels="using:ControlCatalog.ViewModels"
             mc:Ignorable="d"
             d:DesignWidth="800"
             d:DesignHeight="450"
             x:DataType="viewModels:RefreshContainerViewModel"
             x:Class="ControlCatalog.Pages.RefreshContainerPage">
  <DockPanel HorizontalAlignment="Stretch"
             Height="600"
             VerticalAlignment="Top">
    <Label DockPanel.Dock="Top">A control that supports pull to refresh</Label>
    <RefreshContainer Name="Refresh"
                      DockPanel.Dock="Bottom"
                      HorizontalAlignment="Stretch"
                      VerticalAlignment="Stretch"
                      PullDirection="TopToBottom"
                      RefreshRequested="RefreshContainerPage_RefreshRequested"
                      Margin="5">
      <ListBox HorizontalAlignment="Stretch"
               VerticalAlignment="Top"
               ItemsSource="{Binding Items}"/>
    </RefreshContainer>
  </DockPanel>
</UserControl>