Default value for DOTNET_TARGET_FRAMEWORK_VERSION property of targets.

This variable is used to initialize the DOTNET_TARGET_FRAMEWORK_VERSION property on all targets. See that target property for additional information.

Setting CMAKE_DOTNET_TARGET_FRAMEWORK_VERSION may be necessary when working with C# and newer .NET framework versions to avoid referencing errors with the ALL_BUILD CMake target.

This variable is only evaluated for Visual Studio Generators VS 2010 and above.