PowerShell - Funktionsergebnis in GUI darstellen

$_connected_network_adapter = get-wmiobject win32_networkadapter -filter "netconnectionstatus = 2" | select netconnectionid, name, interfaceindex, netconnectionstatus, adaptertype, speed  
$_default_routing = get-wmiobject win32_ip4routetable | ? {$_.Destination -eq "0.0.0.0"}   
foreach ($entry in $_connected_network_adapter){
foreach ($entry1 in $_default_routing){ 
If ($entry.interfaceindex -eq $entry1.interfaceindex){
netsh interface ip show config $entry.netconnectionid
} 
} 
}

#-----------------------------------------------------------------------------------
# Main
#-----------------------------------------------------------------------------------


Function Main
{
	$vNetzwerk = Get-Netzwerkadapter
	GenerateForm
}

#-----------------------------------------------------------------------------------
# Formular Allgemein
#-----------------------------------------------------------------------------------

Function GenerateForm
{
	[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null  
	[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null  
	
	$Form = New-Object System.Windows.Forms.Form
	$Icon = New-Object System.Drawing.Icon ("C:\Program Files (x86)\PCInfo\PCID.ico")  
	$LabelNetzwerk = New-Object System.Windows.Forms.Label
	
	$Form.Text = "PC INFO"  
	$Form.StartPosition = "CenterScreen"  
	$Form.AutoScroll = $False
	$Form.AutoSize = $True
	$Form.TopMost = $True
	$Form.WindowState = "Normal"  
	$Form.Icon = $Icon
	$Form.ShowInTaskbar = $True
	$Form.MaximumSize = New-Object System.Drawing.Size(665,470)
	$Form.MinimumSize = New-Object System.Drawing.Size(665,470)

	$FontLabel = New-Object System.Drawing.Font("Arial",10,[System.Drawing.FontStyle]::Regular)  
	# Font Styles: Regular, Bold, Italic, Underline, Strikeout
	$Form.Font = $FontLabel


#-----------------------------------------------------------------------------------
# Formular Registersteuerelement
#-----------------------------------------------------------------------------------

	$TabControl1 = New-Object System.Windows.Forms.TabControl
	$TabControl1.TabIndex = 0
	$TabControl1.Size = New-Object System.Drawing.Size(625,410)
	$TabControl1.Location = New-Object System.Drawing.Point(10,10) 
	$TabControl1.DataBindings.DefaultDataSourceUpdateMode = 0
	$TabControl1.Name = "TabControl1"  
	$TabControl1.SelectedIndex = 0
	$Form.Controls.Add($TabControl1)

	#Auswahlseite "PC Informationen" auf Registersteuerelement binden  
	$TabPC = New-Object System.Windows.Forms.TabPage
	$TabPC.TabIndex = 0
	$TabPC.UseVisualStyleBackColor = $False
	$TabPC.Text = "PC Informationen"  
	$TabPC.Name = "PC Informationen"  
	$TabControl1.Controls.Add($TabPC)

	#Auswahlseite "Netzwerkinformationen" auf Registersteuerelement binden  
	$TabNetwork = New-Object System.Windows.Forms.TabPage
	$TabNetwork.TabIndex = 1
	$TabNetwork.UseVisualStyleBackColor = $False
	$TabNetwork.Text = "Netzwerkinformationen"  
	$TabNetwork.Name = "Netzwerkinformationen"  
	$TabControl1.Controls.Add($TabNetwork)
	
#-----------------------------------------------------------------------------------
# Formular Inhalt - Kategorie Netzwerkinformationen
#-----------------------------------------------------------------------------------	
	
	#Labels für Netzwerkinformationen
	$LabelNetzwerk.Location = New-Object System.Drawing.Size(10,10)
	$LabelNetzwerk.Size = New-Object System.Drawing.Size(300,370)
	$LabelNetzwerk.Text = $vNetzwerk
	$LabelNetzwerk.Name = "vNetzwerk"  
	$LabelNetzwerk.Font = $FontLabel
	$TabNetwork.Controls.Add($LabelNetzwerk)
	
		
	#ListBox Netzwerkinformationen
	#$ListBoxNetwork = New-Object System.Windows.Forms.ListBox
	#$ListBoxNetwork.Location = New-Object System.Drawing.Point(10,10)
	#$ListBoxNetwork.Size = New-Object System.Drawing.Size(600,370)
	#$TabNetwork.Controls.Add($ListBoxNetwork)
	#$Form.Topmost = $true
	
#-----------------------------------------------------------------------------------
# Formular Anzeigen
#-----------------------------------------------------------------------------------	

	[void] $Form.ShowDialog()
}

#-----------------------------------------------------------------------------------
# Funktionen
#-----------------------------------------------------------------------------------	

Function Get-Netzwerkadapter
{   
	$_connected_network_adapter = get-wmiobject win32_networkadapter -filter "netconnectionstatus = 2" | select netconnectionid, name, interfaceindex, netconnectionstatus, adaptertype, speed  
	$_default_routing = get-wmiobject win32_ip4routetable | ? {$_.Destination -eq "0.0.0.0"}   
	foreach ($entry in $_connected_network_adapter){
		foreach ($entry1 in $_default_routing){ 
			If ($entry.interfaceindex -eq $entry1.interfaceindex){
			$Netzwerk = netsh interface ip show config $entry.netconnectionid
			return $Netzwerk
			} 
		} 
	}
}


# Aufruf der Funktion "Main"  
Main