CMD: Set buffer height independently of window height

Question

I\'ve recently learned that I can control the size of the CMD window running my program with mode x,y. However I just as recently noticed that this sets the

Answer 1

The answer to this question didn't work as I got an error regarding variables sent to the PowerShell command, so I modified to work.

The PowerShell command simply adds uiHeightBuffer to the uiHeight variable to show the scroll bar.

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Edit: Added the height buffer as the 3rd parameter and TRUE or FALSE as a 4th parameter to enable or disable the scrollbar.

I found this useful when exiting a script with a small message when there's no need for the scrollbar in this case.

Also to enable UTF-8 encoding you have to set the default at the start of the `:CMDSIZE' call and set it at the end, otherwise, the font size goes a bit funny.

Omitting chcp 850 >NUL & and chcp 65001 >NUL & are what you'd do if you didn't want to affect this.

This works in Version: 1909 of Windows 10.

@echo off
title %~nx0
rem Based on this thread here: https://stackoverflow.com/a/13351373
goto MYROUTINE
:CMDSIZE
chcp 850 >NUL & set "uiWidth=%1" & set "uiHeight=%2"
mode %uiWidth%,%uiHeight%
if %4==TRUE (set /a "uiHeightBuffer=uiHeight+%3")
if %4==TRUE (powershell.exe -ExecutionPolicy Bypass -Command "&{$H=get-host;$W=$H.ui.rawui;$B=$W.buffersize;$B.width=%uiWidth%;$B.height=%uiHeightBuffer%;$W.buffersize=$B}")
if %4==FALSE (powershell.exe -ExecutionPolicy Bypass -Command "&{$H=get-host;$W=$H.ui.rawui;$B=$W.buffersize;$B.width=%uiWidth%;$B.height=%uiHeight%;$W.buffersize=$B}")
chcp 65001 >NUL & goto :EOF
:MYROUTINE
call :CMDSIZE 255 44 222 TRUE
title Do your routine here...
echo Do your routine here...
echo/ & pause
goto :EXITROUTINE
:EXITROUTINE
call :CMDSIZE 40 2 0 FALSE
title Exiting routine message...
echo Exiting routine message...
set /p "=" NUL & exit