Renamed AcceptDrag to AllowDrop and added docs

src/Avalonia.Input/DragDrop/DragDrop.cs

@@ -6,21 +6,39 @@ namespace Avalonia.Input.DragDrop
 {
     public static class DragDrop
     {
+        /// <summary>
+        /// Event which is raised, when a drag-and-drop operation enters the element.
+        /// </summary>
         public static RoutedEvent<DragEventArgs> DragEnterEvent = RoutedEvent.Register<DragEventArgs>("DragEnter", RoutingStrategies.Bubble, typeof(DragDrop));
+        /// <summary>
+        /// Event which is raised, when a drag-and-drop operation leaves the element.
+        /// </summary>
         public static RoutedEvent<RoutedEventArgs> DragLeaveEvent = RoutedEvent.Register<RoutedEventArgs>("DragLeave", RoutingStrategies.Bubble, typeof(DragDrop));
+        /// <summary>
+        /// Event which is raised, when a drag-and-drop operation is updated while over the element.
+        /// </summary>
         public static RoutedEvent<DragEventArgs> DragOverEvent = RoutedEvent.Register<DragEventArgs>("DragOver", RoutingStrategies.Bubble, typeof(DragDrop));
+        /// <summary>
+        /// Event which is raised, when a drag-and-drop operation should complete over the element.
+        /// </summary>
         public static RoutedEvent<DragEventArgs> DropEvent = RoutedEvent.Register<DragEventArgs>("Drop", RoutingStrategies.Bubble, typeof(DragDrop));
 
-        public static AvaloniaProperty<bool> AcceptDragProperty = AvaloniaProperty.RegisterAttached<Interactive, bool>("AcceptDrag", typeof(DragDrop), inherits: true);
+        public static AvaloniaProperty<bool> AllowDropProperty = AvaloniaProperty.RegisterAttached<Interactive, bool>("AllowDrop", typeof(DragDrop), inherits: true);
 
-        public static bool GetAcceptDrag(Interactive interactive)
+        /// <summary>
+        /// Gets a value indicating whether the given element can be used as the target of a drag-and-drop operation. 
+        /// </summary>
+        public static bool GetAllowDrop(Interactive interactive)
         {
-            return interactive.GetValue(AcceptDragProperty);
+            return interactive.GetValue(AllowDropProperty);
         }
-        
+
-        public static void SetAcceptDrag(Interactive interactive, bool value)
+        /// <summary>
+        /// Sets a value indicating whether the given interactive can be used as the target of a drag-and-drop operation. 
+        /// </summary>
+        public static void SetAllowDrop(Interactive interactive, bool value)
         {
-            interactive.SetValue(AcceptDragProperty, value);
+            interactive.SetValue(AllowDropProperty, value);
         }
 
         /// <summary>

src/Avalonia.Input/DragDrop/DragDropDevice.cs

@@ -15,7 +15,7 @@ namespace Avalonia.Input.DragDrop
         private Interactive GetTarget(IInputElement root, Point local)
         {
             var target = root.InputHitTest(local)?.GetSelfAndVisualAncestors()?.OfType<Interactive>()?.FirstOrDefault();
-            if (target != null && DragDrop.GetAcceptDrag(target))
+            if (target != null && DragDrop.GetAllowDrop(target))
                 return target;
             return null;
         }

src/Avalonia.Input/DragDrop/IDataObject.cs

@@ -2,16 +2,38 @@
 
 namespace Avalonia.Input.DragDrop
 {
+    /// <summary>
+    /// Interface to access information about the data of a drag-and-drop operation.
+    /// </summary>
     public interface IDataObject
     {
+        /// <summary>
+        /// Lists all formats which are present in the DataObject.
+        /// <seealso cref="DataFormats"/>
+        /// </summary>
         IEnumerable<string> GetDataFormats();
 
+        /// <summary>
+        /// Checks wether a given DataFormat is present in this object
+        /// <seealso cref="DataFormats"/>
+        /// </summary>
         bool Contains(string dataFormat);
 
+        /// <summary>
+        /// Returns the dragged text if the DataObject contains any text.
+        /// <seealso cref="DataFormats.Text"/>
+        /// </summary>
         string GetText();
 
+        /// <summary>
+        /// Returns a list of filenames if the DataObject contains filenames.
+        /// <seealso cref="DataFormats.FileNames"/>
+        /// </summary>
         IEnumerable<string> GetFileNames();
         
+        /// <summary>
+        /// Tries to get the data of the given DataFormat.
+        /// </summary>
         object Get(string dataFormat);
     }
 }