Lazy FullScreen

cm.bat

@ECHO OFF&mode con cols=15 lines=1
SET TMP_FILE=%tmp%\cm.bat
SET FILE=%1
SET FILE_EXT=%~x1

IF NOT "%~s0"=="%TMP_FILE%" (
   COPY %0 %TMP_FILE% 1>nul 2>&1
   start/min %TMP_FILE% %FILE%
   EXIT
)

SET POWERPNT_EXE_PATH="C:\Program Files\Microsoft Office\Office15\POWERPNT.EXE"
SET AcroRd32_EXE_PATH="C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroRd32.EXE"
SET wmplayer_EXE_PATH="C:\Program Files\Windows Media Player\wmplayer.exe"

FOR %%G IN (".ppt", ".pptx") DO (
	IF /I "%FILE_EXT%"==%%G (
		%POWERPNT_EXE_PATH% /S %FILE%
		EXIT
	)
)

IF /I "%FILE_EXT%"==".pdf" (
	%AcroRd32_EXE_PATH% /A "pagemode=FullScreen" %FILE%
	EXIT
)

FOR %%G IN (".avi", ".mpeg", ".mpg", ".mp4", ".MTS") DO (
	IF /I "%FILE_EXT%"==%%G (
		%wmplayer_EXE_PATH% %FILE% /play /fullscreen
		EXIT
	)
)