Fix for PCL.

Author: sys27

xFunc.Maths/Expressions/Collections/FunctionCollection.cs

@@ -90,7 +90,11 @@ protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs args
         public new void Add(UserFunction key, IExpression value)
         {
             base.Add(key, value);
+#if PORTABLE
+            OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, key, Count - 1));
+#else
             OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, key));
+#endif
         }
 
         /// <summary>
@@ -100,7 +104,11 @@ protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs args
         public new void Remove(UserFunction key)
         {
             if (base.Remove(key))
+#if PORTABLE
+                OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, key, Count));
+#else
                 OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, key));
+#endif
         }
 
         /// <summary>

xFunc.Maths/Expressions/Collections/ParameterCollection.cs

@@ -220,7 +220,11 @@ public void Add(Parameter param)
                 throw new ArgumentException(Resource.ConstError);
 
             collection.Add(param);
+#if PORTABLE
+            OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, param, collection.Count - 1));
+#else
             OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, param));
+#endif
         }
 
         /// <summary>
@@ -256,7 +260,11 @@ public void Remove(Parameter param)
                 throw new ArgumentException(Resource.ConstError);
 
             collection.Remove(param);
+#if PORTABLE
+            OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, param, collection.Count));
+#else
             OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, param));
+#endif
         }
 
         /// <summary>

xFunc.Maths/Parser.cs

@@ -47,7 +47,6 @@ public Parser()
         /// Initializes a new instance of the <see cref="Parser" /> class.
         /// </summary>
         /// <param name="lexer">The lexer.</param>
-        /// <param name="simplifier">The simplifier.</param>
         /// <param name="factory">The factory.</param>
         public Parser(ILexer lexer, IExpressionFactory factory)
         {

xFunc.Maths/xFunc.Maths (Portable).csproj

@@ -11,7 +11,7 @@
     <RootNamespace>xFunc.Maths</RootNamespace>
     <AssemblyName>xFunc.Maths</AssemblyName>
     <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
-    <TargetFrameworkProfile>Profile328</TargetFrameworkProfile>
+    <TargetFrameworkProfile>Profile158</TargetFrameworkProfile>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <FileUpgradeFlags>
@@ -94,6 +94,7 @@
     <Compile Include="Expressions\AngleMeasurement.cs" />
     <Compile Include="Expressions\Define.cs" />
     <Compile Include="Expressions\BinaryExpression.cs" />
+    <Compile Include="Expressions\Lb.cs" />
     <Compile Include="Expressions\LogicalAndBitwise\And.cs" />
     <Compile Include="Expressions\LogicalAndBitwise\Not.cs" />
     <Compile Include="Expressions\LogicalAndBitwise\Or.cs" />
@@ -183,8 +184,10 @@
     <Compile Include="Expressions\Undefine.cs" />
     <Compile Include="Expressions\UserFunction.cs" />
     <Compile Include="Expressions\Variable.cs" />
+    <Compile Include="Helpers.cs" />
     <Compile Include="IDifferentiator.cs" />
     <Compile Include="ILexer.cs" />
+    <Compile Include="IParser.cs" />
     <Compile Include="ISimplifier.cs" />
     <Compile Include="Differentiator.cs" />
     <Compile Include="MathExtentions.cs" />