Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Activities/System/Activities/CodeActivityContext.cs

@@ -0,0 +1,56 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+
+namespace System.Activities
+{
+    using System.Activities.Runtime;
+    using System.Activities.Tracking;
+    using System.Runtime;
+
+    [Fx.Tag.XamlVisible(false)]
+    public class CodeActivityContext : ActivityContext
+    {
+        // This is called by the Pool.
+        internal CodeActivityContext()
+        {
+        }
+
+        // This is only used by base classes which do not take
+        // part in pooling.
+        internal CodeActivityContext(ActivityInstance instance, ActivityExecutor executor)
+            : base(instance, executor)
+        {
+        }
+
+        internal void Initialize(ActivityInstance instance, ActivityExecutor executor)
+        {
+            base.Reinitialize(instance, executor);
+        }
+
+        public THandle GetProperty<THandle>() where THandle : Handle
+        {
+            ThrowIfDisposed();
+            if (this.CurrentInstance.PropertyManager != null)
+            {
+                return (THandle)this.CurrentInstance.PropertyManager.GetProperty(Handle.GetPropertyName(typeof(THandle)), this.Activity.MemberOf);
+            }
+            else
+            {
+                return null;
+            }
+        }
+        
+        public void Track(CustomTrackingRecord record)
+        {
+            ThrowIfDisposed();
+
+            if (record == null)
+            {
+                throw FxTrace.Exception.ArgumentNull("record");
+            }
+
+            base.TrackCore(record);
+        }
+    }
+}