process msedge browser shortcut and registry entry, to enable overlay scrollbar

edge-scroll.ps1

# scrollbar args
$scrollbar_args = "--enable-features=OverlayScrollbar,OverlayScrollbarWinStyle,OverlayScrollbarWinStyleAnimation"

# ms edge lnk path
$desktop_lnk = "C:\Users\Public\Desktop\Microsoft Edge.lnk"
$start_lnk = "C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Microsoft Edge.lnk"

# registry path
$reg_path = "HKCR\MSEdgeHTM\shell"

function Set-EdgeScrollbar([string]$path, [string]$args_) {
    $shell = New-Object -ComObject WScript.Shell
    $shortcut = $shell.CreateShortcut($path)
    $shortcut.Arguments = $args_
    $shortcut.Save()
}
Set-EdgeScrollbar -path $desktop_lnk -args_ $scrollbar_args
Set-EdgeScrollbar -path $start_lnk -args_ $scrollbar_args


# insert the scrobar args to registry item $reg_path\open\command\Default, the arguments should be the first one after the path
function Set-EdgeScrollbarReg([string]$path, [string]$args_) {
    $regpath = "Registry::" + $path
    $reg = Get-ItemProperty -Path $regpath

    # replace '.exe"' with '.exe" $args_'
    $sub_target='.exe" ' + $args_
    $new_default = $reg."(default)" -replace '\.exe"' , $sub_target
    # write back to registry
    Set-ItemProperty -Path $regpath -Name "(default)" -Value $new_default
}

Set-EdgeScrollbarReg -path $reg_path"\open\command" -args_ $scrollbar_args
Set-EdgeScrollbarReg -path $reg_path"\runas\command" -args_ $scrollbar_args