.NET: Fix examples project files
diff --git a/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj
index abe4b14..d72eaa3 100644
--- a/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj
+++ b/modules/platforms/dotnet/examples/Apache.Ignite.Examples/Apache.Ignite.Examples.csproj
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <Platform Condition=" '$(Platform)' == '' ">x64</Platform>
     <ProjectGuid>{069FA680-3C4D-43A9-B84F-E67513B87827}</ProjectGuid>
     <OutputType>Exe</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>
diff --git a/modules/platforms/dotnet/examples/Apache.Ignite.ExamplesDll/Apache.Ignite.ExamplesDll.csproj b/modules/platforms/dotnet/examples/Apache.Ignite.ExamplesDll/Apache.Ignite.ExamplesDll.csproj
index df19d2e..ccbdf4b 100644
--- a/modules/platforms/dotnet/examples/Apache.Ignite.ExamplesDll/Apache.Ignite.ExamplesDll.csproj
+++ b/modules/platforms/dotnet/examples/Apache.Ignite.ExamplesDll/Apache.Ignite.ExamplesDll.csproj
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="12.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
-    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <Platform Condition=" '$(Platform)' == '' ">x64</Platform>
     <ProjectGuid>{DFB08363-202E-412D-8812-349EF10A8702}</ProjectGuid>
     <OutputType>Library</OutputType>
     <AppDesignerFolder>Properties</AppDesignerFolder>