Powershell: Verzeichnisstruktur in Textdatei exportieren

[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Drawing") 
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms") 
 
$objForm = New-Object System.Windows.Forms.Form 
$objForm.Text = "FolderListGenerator"
$objForm.Size = New-Object System.Drawing.Size(300,200)
$objForm.StartPosition = "CenterScreen"
 
$objForm.KeyPreview = $True
$objForm.Add_KeyDown({if ($_.KeyCode -eq "Enter") { $path=$objTextBox.Text;$objForm.Close()} })
$objForm.Add_KeyDown({if ($_.KeyCode -eq "Escape") { $objForm.Close()} })
 
$OKButton = New-Object System.Windows.Forms.Button
$OKButton.Location = New-Object System.Drawing.Size(75,120)
$OKButton.Size = New-Object System.Drawing.Size(75,23)
$OKButton.Text = "OK"
$OKButton.Add_Click({$path=$objTextBox1.Text;$file=$objTextBox2.Text;$objForm.Close()})
$objForm.Controls.Add($OKButton)
 
$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Size(150,120)
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Text = "Cancel"
$CancelButton.Add_Click({$objForm.Close()})
$objForm.Controls.Add($CancelButton)
 
$objLabel1 = New-Object System.Windows.Forms.Label
$objLabel1.Location = New-Object System.Drawing.Size(10,20) 
$objLabel1.Size = New-Object System.Drawing.Size(280,20) 
$objLabel1.Text = "Bitte Verzeichnispfad eingeben (z.B. C:\Folder):"
$objForm.Controls.Add($objLabel1) 
 
$objTextBox1 = New-Object System.Windows.Forms.TextBox 
$objTextBox1.Location = New-Object System.Drawing.Size(10,40) 
$objTextBox1.Size = New-Object System.Drawing.Size(260,20)
$objTextBox1.Text = ""
$objForm.Controls.Add($objTextBox1) 
 
$objLabel2 = New-Object System.Windows.Forms.Label
$objLabel2.Location = New-Object System.Drawing.Size(10,70) 
$objLabel2.Size = New-Object System.Drawing.Size(280,20) 
$objLabel2.Text = "Bitte Dateiablage eingeben (z.B. C:\temp\folder.txt):"
$objForm.Controls.Add($objLabel2) 
 
$objTextBox2 = New-Object System.Windows.Forms.TextBox 
$objTextBox2.Location = New-Object System.Drawing.Size(10,90) 
$objTextBox2.Size = New-Object System.Drawing.Size(260,20)
$objTextBox2.Text = ""
$objForm.Controls.Add($objTextBox2) 
 
[void] $objForm.ShowDialog()
 
Get-Childitem $objTextBox1.Text -recurse -filter * | 
? { $_.PSisContainer -eq $true} | 
% {$_.fullname -replace "\\","`t" } | 
sort | out-file $objTextBox2.Text
 
$a = new-object -comobject wscript.shell
$intAnswer = $a.popup("Exportdatei öffnen?",0,"FolderListGenerator",4)
If ($intAnswer -eq 6) {
  Invoke-Item $file
} else {
  $a.popup("Datei erstellt")
}