msvc/properties/Common.props

<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">

  <PropertyGroup>
    <_PropertySheetDisplayName>Common Settings</_PropertySheetDisplayName>
    <CharacterSet>Unicode</CharacterSet>
  </PropertyGroup>

  <ImportGroup Label="PropertySheets">
    <Import Project="$(Platform).props" />
  </ImportGroup>

  <ItemDefinitionGroup>
    <ClCompile>
      <MultiProcessorCompilation>true</MultiProcessorCompilation>
      <PreprocessorDefinitions>UNICODE;_UNICODE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <WarningLevel>Level3</WarningLevel>
    </ClCompile>
  </ItemDefinitionGroup>

</Project>