Avalonia/samples/ControlCatalog/Pages/CursorPage.xaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             x:Class="ControlCatalog.Pages.CursorPage">
  <Grid ColumnDefinitions="*,*" RowDefinitions="Auto,*">
    <StackPanel Grid.ColumnSpan="2" Orientation="Vertical" Spacing="4">
      <TextBlock Classes="h2">Defines a cursor (mouse pointer)</TextBlock>
    </StackPanel>

    <ListBox Grid.Row="1" Items="{Binding StandardCursors}" Margin="0 8 8 8">
      <ListBox.Styles>
        <Style Selector="ListBoxItem">
          <Setter Property="Cursor" Value="{Binding Cursor}"/>
        </Style>
      </ListBox.Styles>
      <ListBox.ItemTemplate>
        <DataTemplate>
          <TextBlock Text="{Binding Type}"/>
        </DataTemplate>
      </ListBox.ItemTemplate>
    </ListBox>

    <StackPanel Grid.Column="1" Grid.Row="1" Margin="8 8 0 8">
      <Button Cursor="{Binding CustomCursor}" Margin="0 8" Padding="16">
        <TextBlock>Custom Cursor</TextBlock>
      </Button>
    </StackPanel>
 </Grid>
</UserControl>