Avalonia/samples/ControlCatalog/Pages/ClipboardPage.xaml

<UserControl x:Class="ControlCatalog.Pages.ClipboardPage"
             xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <StackPanel Orientation="Vertical" Spacing="4">
    <TextBlock Classes="h2">Example of ClipboardPage capabilities</TextBlock>

    <Button Click="CopyText" Content="Copy text to clipboard" />
    <Button Click="PasteText" Content="Paste text from clipboard" />
    <Button Click="CopyImage" Content="Copy image to clipboard" />
    <Button Click="PasteImage" Content="Paste image from clipboard" />
    <Button Click="CopyFiles" Content="Copy files to clipboard" />
    <Button Click="PasteFiles" Content="Paste files from clipboard" />
    <Button Click="CopyBinaryData" Content="Copy bytes to clipboard" />
    <Button Click="PasteBinaryData" Content="Paste bytes from clipboard" />
    <Button Click="GetFormats" Content="Get clipboard formats" />
    <Button Click="Clear" Content="Clear clipboard" />

    <StackPanel Orientation="Horizontal">
        <TextBlock Padding="0 0 5 0">Our DataObject is still on clipboard? <Run x:Name="OwnsClipboardDataObject"/></TextBlock>
    </StackPanel>
    <TextBox x:Name="ClipboardContent"
             MinHeight="100"
             AcceptsReturn="True"
             Watermark="Text to copy of file names per line" />
    <Viewbox Width="420" Height="360">
      <Image x:Name="ClipboardImage"
      />
    </Viewbox>
  </StackPanel>
</UserControl>