Bildschirm Display Ausgabe in Graustufen (schwarz-weiß)

rundll32.exe NvCpl.dll,dtcfg setdvc ALL 0

@ECHO OFF
MODE CON LINES=25 COLS=104
ECHO.
ECHO More informations about NVIDIA ControlPanel API:
ECHO http://developer.download.nvidia.com/SDK/9.5/Samples/DEMOS/common/src/NvCpl/docs/NVControlPanel_API.pdf
ECHO.

REM #### Default Settings ######################################################################
REM #### Display:    all   - for all displays or the number of the display i. e. 1
REM #### Vibrance:   0-100 - 0 is greysale, 50 is default and 100 make colors like Lucy
REM ########################################################################################
SET DISPLAY=ALL
SET VIBRANCE=50
REM #### Default Settings END##################################################################

IF "%1" == "" GOTO DEFAULT  
IF /I "%1" == "-grey" GOTO GREYSCALE  
IF /I "%1" == "-g" GOTO GREYSCALE  
IF /I "%1" == "g" GOTO GREYSCALE  
ECHO Use g, -g or -grey to change Digital Vibrance to greyscale.
ECHO Run without parameter use default settings.
ECHO.
ECHO.
PAUSE
GOTO END

:GREYSCALE
ECHO.
ECHO YOU ARE VISITED BY THE GREYS!
rundll32.exe NvCpl.dll,dtcfg setdvc %DISPLAY% 0
ECHO.
ECHO.
GOTO END

:DEFAULT
ECHO.
ECHO Set Digital Vibrance of display #%DISPLAY% to default (%VIBRANCE%).
rundll32.exe NvCpl.dll,dtcfg setdvc %DISPLAY% %VIBRANCE%
ECHO.
ECHO.
GOTO END

:END