Update sample pages

samples/ControlCatalog/MainView.xaml

@@ -40,6 +40,9 @@
       <TabItem Header="CheckBox">
         <pages:CheckBoxPage />
       </TabItem>
+      <TabItem Header="Clipboard">
+        <pages:ClipboardPage />
+      </TabItem>
       <TabItem Header="ComboBox">
         <pages:ComboBoxPage />
       </TabItem>

samples/ControlCatalog/Pages/ClipboardPage.xaml

@@ -0,0 +1,23 @@
+<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="CopyTextDataObject" Content="Copy text to clipboard (data object)" />
+    <Button Click="PasteTextDataObject" Content="Paste text from clipboard (data object)" />
+
+    <Button Click="CopyFilesDataObject" Content="Copy files to clipboard (data object)" />
+    <Button Click="PasteFilesDataObject" Content="Paste files from clipboard (data object)" />
+
+    <Button Click="GetFormats" Content="Get clipboard formats" />
+    <Button Click="Clear" Content="Clear clipboard" />
+
+    <TextBox x:Name="ClipboardContent"
+             MinHeight="100"
+             AcceptsReturn="True"
+             Watermark="Text to copy of file names per line" />
+  </StackPanel>
+</UserControl>

samples/ControlCatalog/Pages/ClipboardPage.xaml.cs

@@ -0,0 +1,72 @@
+using System;
+using System.Collections.Generic;
+
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+
+namespace ControlCatalog.Pages
+{
+    public partial class ClipboardPage : UserControl
+    {
+        public ClipboardPage()
+        {
+            InitializeComponent();
+        }
+
+        private TextBox ClipboardContent => this.Get<TextBox>("ClipboardContent");
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        private async void CopyText(object sender, RoutedEventArgs args)
+        {
+            await Application.Current.Clipboard.SetTextAsync(ClipboardContent.Text);
+        }
+
+        private async void PasteText(object sender, RoutedEventArgs args)
+        {
+            ClipboardContent.Text = await Application.Current.Clipboard.GetTextAsync();
+        }
+
+        private async void CopyTextDataObject(object sender, RoutedEventArgs args)
+        {
+            var dataObject = new DataObject();
+            dataObject.Set(DataFormats.Text, ClipboardContent.Text);
+            await Application.Current.Clipboard.SetDataObjectAsync(dataObject);
+        }
+
+        private async void PasteTextDataObject(object sender, RoutedEventArgs args)
+        {
+            ClipboardContent.Text = (string)await Application.Current.Clipboard.GetDataAsync(DataFormats.Text);
+        }
+
+        private async void CopyFilesDataObject(object sender, RoutedEventArgs args)
+        {
+            var dataObject = new DataObject();
+            dataObject.Set(DataFormats.FileNames, ClipboardContent.Text.Split(new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries));
+            await Application.Current.Clipboard.SetDataObjectAsync(dataObject);
+        }
+
+        private async void PasteFilesDataObject(object sender, RoutedEventArgs args)
+        {
+            var fiels = (IEnumerable<string>)await Application.Current.Clipboard.GetDataAsync(DataFormats.FileNames);
+            ClipboardContent.Text = string.Join(Environment.NewLine, fiels);
+        }
+
+        private async void GetFormats(object sender, RoutedEventArgs args)
+        {
+            var formats = await Application.Current.Clipboard.GetFormatsAsync();
+            ClipboardContent.Text = string.Join(Environment.NewLine, formats);
+        }
+
+        private async void Clear(object sender, RoutedEventArgs args)
+        {
+            await Application.Current.Clipboard.ClearAsync();
+        }
+    }
+}

samples/ControlCatalog/Pages/DragAndDropPage.xaml

@@ -11,7 +11,13 @@
                 Padding="16"
                 BorderBrush="{DynamicResource SystemAccentColor}"
                 BorderThickness="2">
-          <TextBlock Name="DragStateText" TextWrapping="Wrap">Drag Me</TextBlock>
+          <TextBlock Name="DragStateText" TextWrapping="Wrap">Drag Me (text)</TextBlock>
+        </Border>
+        <Border Name="DragMeFiles"
+                Padding="16"
+                BorderBrush="{DynamicResource SystemAccentColor}"
+                BorderThickness="2">
+          <TextBlock Name="DragStateFiles" TextWrapping="Wrap">Drag Me (files)</TextBlock>
         </Border>
         <Border Name="DragMeCustom"
                 Padding="16"

samples/ControlCatalog/Pages/DragAndDropPage.xaml.cs

@@ -2,11 +2,8 @@
 using Avalonia.Input;
 using Avalonia.Markup.Xaml;
 using System;
-using System.Collections.Generic;
-using System.IO;
 using System.Linq;
 using System.Reflection;
-using System.Text;
 
 namespace ControlCatalog.Pages
 {
@@ -24,6 +21,7 @@ namespace ControlCatalog.Pages
                 $"Text was dragged {++textCount} times"), DragDropEffects.Copy | DragDropEffects.Move | DragDropEffects.Link);
 
             SetupDnd("Custom", d => d.Set(CustomFormat, "Test123"), DragDropEffects.Move);
+            SetupDnd("Files", d => d.Set(DataFormats.FileNames, new[] { Assembly.GetEntryAssembly()?.GetModules().FirstOrDefault()?.FullyQualifiedName }), DragDropEffects.Copy);
         }
 
         void SetupDnd(string suffix, Action<DataObject> factory, DragDropEffects effects)