gistfile1.txt

diff --git a/samples/ButtonMadness/ButtonMadness.csproj b/samples/ButtonMadness/ButtonMadness.csproj
index 0ab4847..ce419ea 100644
--- a/samples/ButtonMadness/ButtonMadness.csproj
+++ b/samples/ButtonMadness/ButtonMadness.csproj
@@ -1,16 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
-    <ProductVersion>9.0.21022</ProductVersion>
+    <ProductVersion>10.0.0</ProductVersion>
     <SchemaVersion>2.0</SchemaVersion>
     <ProjectGuid>{CB11FE74-3242-4357-9852-04A9E8C84046}</ProjectGuid>
-    <ProjectTypeGuids>{1C533B1C-72DD-4CB1-9F6B-BF11D93BCFBE};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ProjectTypeGuids>{948B3504-5B70-4649-8FE4-BDE1FB46EC69};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <OutputType>Exe</OutputType>
     <RootNamespace>SamplesButtonMadness</RootNamespace>
     <AssemblyName>ButtonMadness</AssemblyName>
-    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
     <StartupObject>SamplesButtonMadness.MainClass</StartupObject>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
@@ -62,8 +61,8 @@
     </Compile>
   </ItemGroup>
   <ItemGroup>
-    <Page Include="MainMenu.xib" />
-    <Page Include="TestWindow.xib" />
+    <InterfaceDefinition Include="MainMenu.xib" />
+    <InterfaceDefinition Include="TestWindow.xib" />
   </ItemGroup>
   <ItemGroup>
     <None Include="Info.plist" />
@@ -78,4 +77,4 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
   </ItemGroup>
-</Project>
\ No newline at end of file
+</Project>
diff --git a/samples/ButtonMadness/ButtonMadness.sln b/samples/ButtonMadness/ButtonMadness.sln
index 981bcfd..071b737 100644
--- a/samples/ButtonMadness/ButtonMadness.sln
+++ b/samples/ButtonMadness/ButtonMadness.sln
@@ -1,5 +1,5 @@
 
-Microsoft Visual Studio Solution File, Format Version 10.00
+Microsoft Visual Studio Solution File, Format Version 11.00
 # Visual Studio 2008
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ButtonMadness", "ButtonMadness.csproj", "{CB11FE74-3242-4357-9852-04A9E8C84046}"
 EndProject