Removed LevelPrecedenceMode.

You should use direct properties if you want Latest mode.

src/Perspex.Base/PriorityLevel.cs

@@ -7,22 +7,6 @@ using System.Reactive.Disposables;
 
 namespace Perspex
 {
-    /// <summary>
-    /// Determines how the current binding is selected for a <see cref="PriorityLevel"/>.
-    /// </summary>
-    internal enum LevelPrecedenceMode
-    {
-        /// <summary>
-        /// The latest fired binding is used as the current value.
-        /// </summary>
-        Latest,
-
-        /// <summary>
-        /// The latest added binding is used as the current value.
-        /// </summary>
-        Newest,
-    }
-
     /// <summary>
     /// Stores bindings for a priority level in a <see cref="PriorityValue"/>.
     /// </summary>
@@ -62,8 +46,6 @@ namespace Perspex
         /// </summary>
         private int _nextIndex;
 
-        private readonly LevelPrecedenceMode _mode;
-
         /// <summary>
         /// Initializes a new instance of the <see cref="PriorityLevel"/> class.
         /// </summary>
@@ -72,12 +54,10 @@ namespace Perspex
         /// <param name="changed">A method to be called when the current value changes.</param>
         public PriorityLevel(
             int priority,
-            LevelPrecedenceMode mode,
             Action<PriorityLevel> changed)
         {
             Contract.Requires<ArgumentNullException>(changed != null);
 
-            _mode = mode;
             _changed = changed;
             Priority = priority;
             Value = _directValue = PerspexProperty.UnsetValue;
@@ -155,7 +135,7 @@ namespace Perspex
         /// <param name="entry">The entry that changed.</param>
         private void Changed(PriorityBindingEntry entry)
         {
-            if (_mode == LevelPrecedenceMode.Latest || entry.Index >= ActiveBindingIndex)
+            if (entry.Index >= ActiveBindingIndex)
             {
                 if (entry.Value != PerspexProperty.UnsetValue)
                 {

src/Perspex.Base/PriorityValue.cs

@@ -209,8 +209,7 @@ namespace Perspex
 
             if (!_levels.TryGetValue(priority, out result))
             {
-                var mode = (LevelPrecedenceMode)(priority % 2);
-                result = new PriorityLevel(priority, mode, ValueChanged);
+                result = new PriorityLevel(priority, ValueChanged);
                 _levels.Add(priority, result);
             }
 

tests/Perspex.Base.UnitTests/PriorityValueTests.cs

@@ -67,23 +67,7 @@ namespace Perspex.Base.UnitTests
         }
 
         [Fact]
-        public void Earlier_Binding_Firing_Should_Override_Later_Priority_0()
-        {
-            var target = new PriorityValue(null, "Test", typeof(string));
-            var nonActive = new BehaviorSubject<object>("na");
-            var source = new BehaviorSubject<object>("initial");
-
-            target.Add(nonActive, 0);
-            target.Add(source, 0);
-            Assert.Equal("initial", target.Value);
-            target.SetValue("first", 0);
-            Assert.Equal("first", target.Value);
-            nonActive.OnNext("second");
-            Assert.Equal("second", target.Value);
-        }
-
-        [Fact]
-        public void Earlier_Binding_Firing_Should_Not_Override_Later_Priority_1()
+        public void Earlier_Binding_Firing_Should_Not_Override_Later()
         {
             var target = new PriorityValue(null, "Test", typeof(string));
             var nonActive = new BehaviorSubject<object>("na");