flashercs

@echo off
rem   3为扩充全屏（不留黑边）
rem   4为比例全屏（留黑边）
set "key=HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\GraphicsDrivers\Configuration"
for /f "delims=" %%A in ('reg query %key% /f * /k 2^>nul') do (
   for /f "delims=" %%B in ('reg query "%%A" /f * /k 2^>nul') do (
    for /f "delims=" %%C in ('reg query "%%B" /f * /k 2^>nul') do (
      reg add "%%C" /v "Scaling" /t REG_DWORD /d 4 /f
    )
  )
)
pause
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