Windows Forms via PowerShell

BuildPlaceholderWindow.ps1

$scriptContent = @'
Add-Type -AssemblyName System.Windows.Forms
$form = New-Object System.Windows.Forms.Form
$form.Text = "PlaceholderWindow"
[System.Windows.Forms.Application]::Run($form)
'@
if (-not (Get-Module -ListAvailable -Name ps2exe)) {
    Write-Host "Install ps2exe module:`n`tInstall-Module -Name ps2exe -Scope CurrentUser -Force"
} else {
    $tempScriptPath = "$env:TEMP\PlaceholderWindow_Temp.ps1"
    $executablePath = "$PSScriptRoot\PlaceholderWindow.exe"
    Set-Content -Path $tempScriptPath -Value $scriptContent
    Invoke-ps2exe -InputFile $tempScriptPath -OutputFile $executablePath -noConsole
    Remove-Item -Path $tempScriptPath
}