Index: cecil/Mono.Cecil.csproj
===================================================================
--- cecil.orig/Mono.Cecil.csproj
+++ cecil/Mono.Cecil.csproj
@@ -60,7 +60,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -69,7 +69,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'silverlight_Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -80,7 +80,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'silverlight_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -90,7 +90,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'winphone_Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -102,7 +102,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkProfile>WindowsPhone</TargetFrameworkProfile>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'winphone_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -113,7 +113,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkProfile>WindowsPhone</TargetFrameworkProfile>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />
Index: cecil/Test/Mono.Cecil.Tests.csproj
===================================================================
--- cecil.orig/Test/Mono.Cecil.Tests.csproj
+++ cecil/Test/Mono.Cecil.Tests.csproj
@@ -60,7 +60,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -69,7 +69,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />
Index: cecil/dbg/dbg.csproj
===================================================================
--- cecil.orig/dbg/dbg.csproj
+++ cecil/dbg/dbg.csproj
@@ -39,7 +39,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +48,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
Index: cecil/rocks/Mono.Cecil.Rocks.csproj
===================================================================
--- cecil.orig/rocks/Mono.Cecil.Rocks.csproj
+++ cecil/rocks/Mono.Cecil.Rocks.csproj
@@ -41,7 +41,7 @@
     <DefineConstants>DEBUG;TRACE;INSIDE_ROCKS;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -50,7 +50,7 @@
     <DefineConstants>TRACE;INSIDE_ROCKS;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'silverlight_Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -61,7 +61,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'silverlight_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -71,7 +71,7 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'winphone_Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -83,7 +83,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkProfile>WindowsPhone</TargetFrameworkProfile>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'winphone_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -94,7 +94,7 @@
     <WarningLevel>4</WarningLevel>
     <TargetFrameworkProfile>WindowsPhone</TargetFrameworkProfile>
     <TargetFrameworkIdentifier>Silverlight</TargetFrameworkIdentifier>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System.Core">
Index: cecil/rocks/Test/Mono.Cecil.Rocks.Tests.csproj
===================================================================
--- cecil.orig/rocks/Test/Mono.Cecil.Rocks.Tests.csproj
+++ cecil/rocks/Test/Mono.Cecil.Rocks.Tests.csproj
@@ -39,7 +39,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -48,7 +48,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="nunit.core, Version=2.4.8.0, Culture=neutral, PublicKeyToken=96d09a1eb7f44a77, processorArchitecture=MSIL">
Index: cecil/symbols/mdb/Mono.Cecil.Mdb.csproj
===================================================================
--- cecil.orig/symbols/mdb/Mono.Cecil.Mdb.csproj
+++ cecil/symbols/mdb/Mono.Cecil.Mdb.csproj
@@ -60,7 +60,7 @@
     <DefineConstants>DEBUG;TRACE;CECIL;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -69,7 +69,7 @@
     <DefineConstants>TRACE;CECIL;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />
Index: cecil/symbols/mdb/Test/Mono.Cecil.Mdb.Tests.csproj
===================================================================
--- cecil.orig/symbols/mdb/Test/Mono.Cecil.Mdb.Tests.csproj
+++ cecil/symbols/mdb/Test/Mono.Cecil.Mdb.Tests.csproj
@@ -58,7 +58,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -67,7 +67,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />
Index: cecil/symbols/pdb/Mono.Cecil.Pdb.csproj
===================================================================
--- cecil.orig/symbols/pdb/Mono.Cecil.Pdb.csproj
+++ cecil/symbols/pdb/Mono.Cecil.Pdb.csproj
@@ -60,7 +60,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -69,7 +69,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />
Index: cecil/symbols/pdb/Test/Mono.Cecil.Pdb.Tests.csproj
===================================================================
--- cecil.orig/symbols/pdb/Test/Mono.Cecil.Pdb.Tests.csproj
+++ cecil/symbols/pdb/Test/Mono.Cecil.Pdb.Tests.csproj
@@ -58,7 +58,7 @@
     <DefineConstants>DEBUG;TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_4_0_Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>
@@ -67,7 +67,7 @@
     <DefineConstants>TRACE;NET_3_5;NET_4_0</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
-    <TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(TargetFrameworkVersion)' != 'v2.0' ">
     <Reference Include="System.Core" />