anchor.diff:  set VS_PROPERTY_SHEET=PcapPlusPlusPropertySheet.props
   set VS_PROPERTY_SHEET_TEMPLATE=mk\vs\%VS_PROPERTY_SHEET%.template
   
  -:: create VS project directory
  +:: create VS project directory if doesn't exist already
   if not exist "%VS_PROJ_DIR%" mkdir %VS_PROJ_DIR%
   
   :: set PcapPlusPlus home, pthread-win32 and WinPcap locations in %VS_PROPERTY_SHEET%
  
positive.code: :: if one of the modes returned with an error, exit script
  if "%ERRORLEVEL%" NEQ "0" exit /B 1
  
  :: verify that both variables PTHREAD_HOME and WINPCAP_HOME are set
  if "%VS_VERSION%"=="" echo Visual studio version was not supplied. Exiting & exit /B 1
  if "%PTHREAD_HOME%"=="" echo pthread-win32 directory was not supplied. Exiting & exit /B 1
  if "%WINPCAP_HOME%"=="" echo WinPcap directory was not supplied. Exiting & exit /B 1
  
negative.code: 	set PlatformToolset=v142
  )
  
  :: go over all vcxproj template files and set the project params according to the requested VS version
  :: create vcxproj files and copy them to the VS project directory
  setlocal enabledelayedexpansion
  set PROJ_LIST_LOCAL=
  for %%P in (mk\vs\*.vcxproj.template) do (
  