Register explorer shell extensions

Register-ShellExtension.ps1

function Register-ShellExtension {
	[CmdletBinding()]
	param (
		[Parameter(Mandatory = $true)]
		[string]
		$Name,

		[Parameter(Mandatory = $true)]
		[string]
		$Text,

		[Parameter(Mandatory = $true)]
		[string]
		$Command,

		[Parameter(Mandatory = $true)]
		[ArgumentCompleter({ 'Directory', '*' })]
		[string]
		$Extension,

		[string]
		$Icon
	)

	$drive = New-PSDrive -Name "HKCR_TEMP" -PSProvider Registry -Root 'HKEY_CLASSES_ROOT\'

	$shellFolder = New-Item "HKCR_TEMP:\$Extension\shell\$Name" -Force
	Set-ItemProperty -Path $shellFolder.PSPath -Name '(default)' -Value $Text
	$commandFolder = New-Item -Path $shellFolder.PSPath -Name 'command'
	Set-ItemProperty -Path $commandFolder.PSPath -Name '(default)' -Value $Command

	$drive | Remove-PSDrive
}
Register-ShellExtension -Name vscode -Text 'Open in VSCode' -Command "`"$env:LOCALAPPDATA\Programs\Microsoft VS Code\bin\code.cmd`" -n `"%1`"" -Extension Directory

<#
Note: Path to code.cmd may vary.
To find it, you can run this as long as it was added to %Path%:
Get-Command code | Select-Object -ExpandProperty Source
#>