PShellVS

#ERASE ALL THIS AND PUT XAML BELOW between the @" "@
$inputXML = @"

<Window x:Class="stgmenu.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:stgmenu"
        mc:Ignorable="d"
        Title="MainWindow" Height="665.799" Width="799.492">
    <Grid>
        <TextBlock x:Name="textBlock" HorizontalAlignment="Left" Margin="14,9,0,0" TextWrapping="Wrap" VerticalAlignment="Top"><Run Text="Server"/><LineBreak/><Run/></TextBlock>
        <TextBox x:Name="textBox" HorizontalAlignment="Left" Height="23" Margin="13,31,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="120"/>
        <ListView x:Name="listView" HorizontalAlignment="Left" Height="600" Margin="372,14,0,0" VerticalAlignment="Top" Width="410">
            <ListView.View>
                <GridView>
                    <GridViewColumn/>
                </GridView>
            </ListView.View>
        </ListView>
        <Button x:Name="button" Content="keepalive" HorizontalAlignment="Left" Margin="20,82,0,0" VerticalAlignment="Top" Width="75" RenderTransformOrigin="0.42,0.162"/>

    </Grid>
</Window>


"@

$inputXML = $inputXML -replace 'mc:Ignorable="d"','' -replace "x:N",'N'  -replace '^<Win.*', '<Window'


[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')
[xml]$XAML = $inputXML
#Read XAML

    $reader=(New-Object System.Xml.XmlNodeReader $xaml)
  try{$Form=[Windows.Markup.XamlReader]::Load( $reader )}
catch{Write-Host "Unable to load Windows.Markup.XamlReader. Double-check syntax and ensure .net is installed."}

#===========================================================================
# Load XAML 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*
}

Get-FormVariables

#===========================================================================
# Actually make the objects work
#===========================================================================


#Sample entry of how to add data to a field

#$vmpicklistView.items.Add([pscustomobject]@{'VMName'=($_).Name;Status=$_.Status;Other="Yes"})

#===========================================================================
# Shows the form
#===========================================================================
write-host "To show the form, run the following" -ForegroundColor Cyan
'$Form.ShowDialog() | out-null'