echo crossgen: Precompiles the framework managed assemblies
echo copynativeonly: Only copy the native test binaries to the managed output. Do not build the native or managed tests.
echo skipgeneratelayout: Do not generate the Core_Root layout or the CoreFX testhost.
-echo -generatelayoutonly: Generate the Core_Root layout without build managed or native test components
+echo generatelayoutonly: Generate the Core_Root layout without building managed or native test components
echo targetsNonWindows:
echo Exclude- Optional parameter - specify location of default exclusion file ^(defaults to tests\issues.targets if not specified^)
echo Set to "" to disable default exclusion file.