# Form zeichnen
$ObjForm = New-Object System.Windows.Forms.Form
$ObjForm.Text = "Demonstration of Progress-Bar In PowerShell"
$ObjForm.Height = 150
$ObjForm.Width = 500
$ObjForm.BackColor = "White"

$ObjForm.FormBorderStyle = [System.Windows.Forms.FormBorderStyle]::FixedSingle
$ObjForm.StartPosition = [System.Windows.Forms.FormStartPosition]::CenterScreen

# Label1 erstellen
$ObjLabel = New-Object System.Windows.Forms.Label
$ObjLabel.Text = ""
$ObjLabel.Left = 5
$ObjLabel.Top = 10
$ObjLabel.Width = 500 - 20
$ObjLabel.Height = 15
$ObjLabel.Font = "Tahoma"

# Label2 erstellen
$ObjLabel2 = New-Object System.Windows.Forms.Label
$ObjLabel2.Text = ""
$ObjLabel2.Left = 5
$ObjLabel2.Top = 30
$ObjLabel2.Width = 500 - 20
$ObjLabel2.Height = 15
$ObjLabel2.Font = "Tahoma"

## Label auf Form zeichnen
$ObjForm.Controls.Add($ObjLabel)
$ObjForm.Controls.Add($ObjLabel2)

$PB = New-Object System.Windows.Forms.ProgressBar
$PB.Name = "PowerShellProgressBar"
$PB.Value = 0
$PB.Style="Continuous"

$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Width = 500 - 40
$System_Drawing_Size.Height = 20
$PB.Size = $System_Drawing_Size
$PB.Left = 5
$PB.Top = 80
$ObjForm.Controls.Add($PB)

# Progressbar anzeigen und Powershell Skript starten
$ObjForm.Show() | Out-Null
$ObjForm.Focus() | Out-NUll
$ObjLabel.Text = "Dateien werden kopiert, bitte warten."
$ObjForm.Refresh()

Start-Sleep -Seconds 1

#Filtern des Hostname Teiles, der für den Pfad benötigt wird
$fullHostname = Invoke-Expression "whoami"
$trimSign = $fullHostname.IndexOf("\")
$hostname = $fullHostname.substring($trimSign+1)

#Pfade für die Sicherung
$cacheDirectory = "C:\Users\$hostname\Documents\Citrix_Datensicherungsprogramm\Arbeitsordner"
$safeDirectory = "C:\Temp\Sicherungsordner"

#Infos für die ProgressBar
$files = Get-ChildItem $safeDirectory -Recurse -File
$numberOfFiles= $files.count
$fileCopying = 1

foreach($file in $files){
    Invoke-Expression "Robocopy $safeDirectory $cacheDirectory '$file' /e"

    $ObjLabel.Text = "$file"
    $ObjLabel2.Text = "Datei $fileCopying von $numberOfFiles wird kopiert."

    $value = ($fileCopying/$numberOfFiles)*100
    $PB.Value = $value
    $ObjForm.Refresh()

    $fileCopying++
}

$ObjForm.Close()