<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'basic|AnyCPU' ">
<DefineConstants>BOOTSTRAP_BASIC,NET_1_1,NET_2_0</DefineConstants>
</PropertyGroup>
+ <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'net_2_0|AnyCPU' ">
+ <DefineConstants>NET_1_1,NET_2_0</DefineConstants>
+ </PropertyGroup>
<ItemGroup>
<Reference Include="System.dll"/>
</ItemGroup>