Powershell WPF Datagrid

#XAML Code kann zwischen @" und "@ ersetzt werden: 
[xml]$XAML = @"  
<Window 
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"   
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"   
x:Name="Window"   
Title="Status Installation"   
WindowStartupLocation = "CenterScreen"   
ResizeMode="NoResize" ShowInTaskbar = "True" Height="450" Width="835.506">  

 <Grid>

        <Button Name="Close" Content="Schließen" HorizontalAlignment="Left" Height="30" Margin="651,379,0,0" VerticalAlignment="Top" Width="149"/>  
        <Button Name="edit" Content="edit" HorizontalAlignment="Left" Height="30" Margin="351,379,0,0" VerticalAlignment="Top" Width="149"/>  
        <DataGrid Name="GridServer" HorizontalAlignment="Left" Height="88" Margin="558,229,0,0" VerticalAlignment="Top" Width="220" IsReadOnly="True">  
            <DataGrid.Columns>
                <DataGridTextColumn Header="Name" Binding="{Binding IP}" Width="*" />     
                <DataGridTextColumn Header="Name" Binding="{Binding Status}" Width="*" />                                                
            </DataGrid.Columns>  
                   
        </DataGrid>
       
    </Grid>

</Window>

"@ #-replace 'mc:Ignorable="d"','' -replace "x:N",'N' -replace '^<Win.*', '<Window' #-replace wird benötigt, wenn XAML aus Visual Studio kopiert wird.  
#XAML laden
[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')  
try{$Form=[Windows.Markup.XamlReader]::Load( (New-Object System.Xml.XmlNodeReader $XAML) )}
catch{Write-Host "Windows.Markup.XamlReader konnte nicht geladen werden. Mögliche Ursache: ungültige Syntax oder fehlendes .net"}  


#===========================================================================
# Store Form Objects In PowerShell
#===========================================================================
 
$xaml.SelectNodes("//*[@Name]") | %{Set-Variable -Name "WPF$($_.Name)" -Value $Form.FindName($_.Name)}  

Function Get-FormVariables{
if ($global:ReadmeDisplay -ne $true){Write-host "If you need to reference this display again, run Get-FormVariables" -ForegroundColor Yellow;$global:ReadmeDisplay=$true}  
write-host "Found the following interactable elements from our form" -ForegroundColor Cyan  
#get-variable WPF*
}
 
$WPFGridServer.AddChild([pscustomobject]@{IP="192.168.0.20"  
                                          Status="OK"  
                                         })
$WPFGridServer.AddChild([pscustomobject]@{IP="192.168.0.10"  
                                          Status="OK"  
                                         })

   
$Window = $Form.FindName("Window")  
#$Form.FindName("label1").Content="0 %" 

$Window.FindName("Close").add_click({  

    $Window.Close()

})

$timer = new-object System.Windows.Threading.DispatcherTimer
$timer.Interval = [TimeSpan]"0:0:2.00"  
$timer.Add_Tick.Invoke({

    #alle 2 Sekunden 

})
$timer.Start()


$Window.FindName("edit").add_click({  

# edit

})


#Fenster anzeigen:
$Form.ShowDialog()