winutil/functions/public/Invoke-WPFShortcut.ps1

function Invoke-WPFShortcut {
    <#

    .SYNOPSIS
        Creates a shortcut and prompts for a save location

    .PARAMETER ShortcutToAdd
        The name of the shortcut to add

    #>
    param($ShortcutToAdd)

        $iconPath = $null
        Switch ($ShortcutToAdd) {
        "WinUtil" {
            $SourceExe = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
            $IRM = 'irm https://christitus.com/win | iex'
            $Powershell = '-ExecutionPolicy Bypass -Command "Start-Process powershell.exe -verb runas -ArgumentList'
            $ArgumentsToSourceExe = "$powershell '$IRM'"
            $DestinationName = "WinUtil.lnk"

            if (Test-Path -Path "$env:TEMP\cttlogo.png") {
                $iconPath = "$env:SystempRoot\cttlogo.ico"
                ConvertTo-Icon -bitmapPath "$env:TEMP\cttlogo.png" -iconPath $iconPath
            }
        }
    }

    $FileBrowser = New-Object System.Windows.Forms.SaveFileDialog
    $FileBrowser.InitialDirectory = [Environment]::GetFolderPath('Desktop')
    $FileBrowser.Filter = "Shortcut Files (*.lnk)|*.lnk"
    $FileBrowser.FileName = $DestinationName
    $FileBrowser.ShowDialog() | Out-Null

    $WshShell = New-Object -comObject WScript.Shell
    $Shortcut = $WshShell.CreateShortcut($FileBrowser.FileName)
    $Shortcut.TargetPath = $SourceExe
    $Shortcut.Arguments = $ArgumentsToSourceExe
    if ($iconPath -ne $null) {
        $shortcut.IconLocation = $iconPath
    }
    $Shortcut.Save()

    Write-Host "Shortcut for $ShortcutToAdd has been saved to $($FileBrowser.FileName)"
}