LettuceWPF-Final.ps1.txt

# Our XAML for the WPF-based GUI.   
$inputXAML = @"
<Window x:Name="Pick_Console" x:Class="LetUsWPF.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:LetUsWPF"
        mc:Ignorable="d"
        Title="MainWindow" Height="275" Width="410">
    <Grid>
        <Label x:Name="label_cluster" Content="Cluster:" HorizontalAlignment="Left" Margin="10,0,0,0" VerticalAlignment="Top"/>
        <ComboBox x:Name="cluster" HorizontalAlignment="Left" Margin="30,26,0,0" VerticalAlignment="Top" Width="342"/>
        <Label x:Name="label_details" Content="VM Details:" HorizontalAlignment="Left" Margin="10,64,0,0" VerticalAlignment="Top"/>
        <Button x:Name="console" Content="Console" HorizontalAlignment="Left" Margin="157,203,0,0" VerticalAlignment="Top" Width="75"/>
        <DataGrid x:Name="details" HorizontalAlignment="Left" Margin="30,90,0,0" VerticalAlignment="Top" Height="92" Width="342" AlternationCount="1" IsReadOnly="True" SelectionMode="Single"/>
    </Grid>
</Window>
"@

# Munge to remove what PowerShell doesn't like and cast as XML
#     Remove design-time ignorable tags
#     Convert "x:Name" nodes to "Name"
#     Remove Window classing
[xml]$xaml = $inputXAML -replace 'mc:Ignorable="d"','' -replace "x:N",'N'  -replace '^<Win.*', '<Window'

# Load WPF support and our XML into a form
[void][System.Reflection.Assembly]::LoadWithPartialName('presentationframework')
try {
    $Form = [Windows.Markup.XamlReader]::Load((New-Object System.Xml.XmlNodeReader $xaml))
    }
catch {
    Write-Host "Failed to load Windows.Markup.XamlReader. Invalid XML?"
    exit
    } 

# Load XAML Objects into variables
$xaml.SelectNodes("//*[@Name]") | 
    Where-Object { $_.Name -notlike "label_*" } |
    ForEach-Object { Set-Variable -Name "WPF_$($_.Name)" -Value $Form.FindName($_.Name) }

#
# Event Handlers for our WPF controls
#

# WPF form is loaded
$Form.Add_Loaded({
    # Connect to vCenter and populate the list of clusters
    Connect-VIServer $vCenter
    Get-Cluster | ForEach-Object { $WPF_cluster.Items.Add($_.Name) }

    $WPF_console.IsEnabled = $false     # No sense in clicking the button yet!
})

# A Cluster selection is made in the Cluster ComboBox
$WPF_cluster.Add_SelectionChanged({
    # On selection of a cluster, populate the list of VMs.  The DataGrid control
    # requires an ArrayList for loading
    $VM_array = New-Object System.Collections.ArrayList
    $VMs = Get-Cluster $WPF_cluster.SelectedValue | Get-VM |Select-Object Name, PowerState, NumCPU, MemoryGB | Sort-Object Name
    $VM_array.AddRange($VMs)

    $WPF_details.clear()                     # Clear any prior values
    $WPF_details.ItemsSource = $VM_array     # Load our new values
    $WPF_details.IsReadOnly = $true          # No, these aren't editable

    # Allow sorting on all columns
    $WPF_details.Columns | ForEach-Object { $_.CanUserSort = $true }
    
})

# VM Selection is made in the details DataGrid
$WPF_details.Add_SelectionChanged({
    # Console option is present if VM is on
    $WPF_console.IsEnabled = ($WPF_details.SelectedItems -ne $null) -and 
         ($WPF_details.SelectedValue.PowerState -eq "PoweredOn")
})

# Take action on pressing the Console button
$WPF_console.Add_Click({
    Open-VMConsoleWindow -VM $WPF_details.SelectedValue.Name
    $WPF_console.IsEnabled = $false     # Disable until next choice
})

# WPF for is closed
$Form.Add_Closed({
    Disconnect-VIServer $vCenter -Confirm:$false
})

#
#  Variables that you can/should change
#
$vCenter = "my-vcsa"


# Present!
$form.ShowDialog() | Out-Null

Can you update the window title with the $vCenter name?

Loved your exmaple, I have been looking for an example of using xaml form and datgrid. This is the only one I found. It helped me alot with my code. Good job.