Powershell script to ease the copy of many CD contents to harddrive

copy_cd.ps1

# run with & powershell.exe -executionpolicy bypass -file .\copy_cd.ps1

Add-Type -TypeDefinition  @'
using System;
using System.Runtime.InteropServices;
using System.ComponentModel;
 
namespace CDROM
{
    public class Commands
    {
        [DllImport("winmm.dll")]
        static extern Int32 mciSendString(string command, string buffer, int bufferSize, IntPtr hwndCallback);
 
        public static void Eject()
        {
             string rt = "";
             mciSendString("set CDAudio door open", rt, 127, IntPtr.Zero);
        }
 
        public static void Close()
        {
             string rt = "";
             mciSendString("set CDAudio door closed", rt, 127, IntPtr.Zero);
        }
    }
}
'@

Add-Type @'
    using System;
    using System.Runtime.InteropServices;
    public class Tricks {
        [DllImport("user32.dll")]
        [return: MarshalAs(UnmanagedType.Bool)]
        public static extern bool SetForegroundWindow(IntPtr hWnd);
    }
'@

$parent = Get-Process -id ((Get-WmiObject win32_process -Filter "processid='$pid'").parentprocessid)
Function Get-Focus {
    If ($parent.Name -eq "cmd") {
        # Being run by via cmd prompt (batch file)
        $h = (Get-Process cmd).MainWindowHandle
        [void] [Tricks]::SetForegroundWindow($h)
    }
    else {
        # being run in powershell ISE or console
        $h = (Get-Process -id $pid).MainWindowHandle
        [void] [Tricks]::SetForegroundWindow($h)
    }
} 


$shell = New-Object -Com Shell.Application
$cdPath = $shell.NameSpace("d:\")
$destination = $shell.NameSpace("c:\temp")

$continue = $true
while ($continue) {
    [CDROM.Commands]::Eject()
    $x = 0
    while ($x -ne 13 -and $x -ne 27) {
        Write-Output "Insérez un disque et appuyez sur entrée ou appuyez sur echap pour terminer"
        Get-Focus
        $x = $HOST.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown").VirtualKeyCode
        $HOST.UI.RawUI.Flushinputbuffer()
        # Write-Output $x
    }

    switch ($x) {
        27 { $continue = $false }
    }

    [CDROM.Commands]::Close()    

    if ($continue) {
        Start-Sleep 10        
        $destination.CopyHere($cdPath.Items())
    }
}