anchor.diff:  :Usage
   ECHO.
   ECHO Need Qt Visual Studio version, i.e.
  -ECHO %~n0.bat vs2019
  +ECHO %~n0.bat vs2017
   ECHO 
   ECHO Available versions :
  -ECHO     vs2019 : VS 2019 amd64
   ECHO     vs2017 : VS 2017 amd64
   GOTO End
   
  
positive.code: IF NOT EXIST %QSCINTILLA_PATH% GOTO Nonexistentqscintilla
  copy %QSCINTILLA_PATH%"\qscintilla2_qt5.dll"
  
  REM For OpenSSL 1.1.0 "NG"
  REM copy %OPENSSL_PATH%"\bin\libcrypto-1_1-x64.dll"
  REM copy %OPENSSL_PATH%"\bin\libssl-1_1-x64.dll"
  
  REM if you are using the ANGLE version of the Qt windows binaries
  REM you need to copy a couple of more files
  REM IF "%ANGLEUSE%"=="false" GOTO EndInstall
  
negative.code: IF "%1"=="" goto Usage
  SET GOTVERSION=false
  IF NOT "%1"=="vs2017" SET GOTVERSION=true
  
  IF "%GOTVERSION%"=="false" GOTO Usage
  
  
  SET VSVERSION=%1
  
  echo Visual Studio selected %VSVERSION%
  
  REM Default Qt dir
  SET BASE_DIR_QT=%QTDIR%
  
  