PowerShell-Toolmaking

2.1.0.0

Chapters/graphical-controllers-wpf/display-services.ps1

Add-Type -AssemblyName PresentationFramework

$form = New-Object System.Windows.Window

#define what it looks like
$form.Title = "Services Demo"
$form.Height = 400
$form.Width = 500

$stack = New-Object System.Windows.Controls.StackPanel

#create a label
$label = New-Object System.Windows.Controls.Label
$label.HorizontalAlignment = "Left"
$label.Content = "Enter a Computer name:"

#add to the stack
$stack.AddChild($label)

#create a text box
$TextBox = New-Object System.Windows.Controls.TextBox
$TextBox.Width = 110
$TextBox.HorizontalAlignment = "Left"
$TextBox.Text = $env:COMPUTERNAME

#add to the stack
$stack.AddChild($TextBox)

#create a datagrid
$datagrid = New-Object System.Windows.Controls.DataGrid
$datagrid.HorizontalAlignment = "Center"
$datagrid.VerticalAlignment = "Bottom"
$datagrid.Height = 250
$datagrid.Width = 441

$datagrid.CanUserResizeColumns = "True"
$stack.AddChild($datagrid)

#create a button
$btn = New-Object System.Windows.Controls.Button
$btn.Content = "_OK"
$btn.Width = 75
$btn.HorizontalAlignment = "Center"

#this will now work
$OK = {
    Write-Host "Getting services from $($textbox.Text)" -ForegroundColor Green
    $data = Get-Service -ComputerName $textbox.Text |
    Select-Object -Property Name, Status, Displayname
    $datagrid.ItemsSource = $data
}

#add an event handler
$btn.Add_click($OK)

#add to the stack
$stack.AddChild($btn)

#add the stack to the form
$form.AddChild($stack)

#run the OK scriptblock when form is loaded
$form.Add_Loaded($OK)

$btnQuit = New-Object System.Windows.Controls.Button
$btnQuit.Content = "_Quit"
$btnQuit.Width = 75
$btnQuit.HorizontalAlignment = "center"

#add the quit button to the stack
$stack.AddChild($btnQuit)

#close the form
$btnQuit.add_click({$form.Close()})

#show the form and suppress the boolean output
[void]($form.ShowDialog())a button

$btn = New-Object System.Windows.Controls.Button

$btn.Content = "_OK"

$btn.Width = 75

$btn.HorizontalAlignment = "Center"



#this will now work

$OK = {

    Write-Host "Getting services from $($textbox.Text)" -ForegroundColor Green

    $data = Get-Service -ComputerName $textbox.Text |

    Select-Object -Property Name, Status, Displayname

    $datagrid.ItemsSource = $data

}



#add an event handler

$btn.Add_click($OK)



#add to the stack

$stack.AddChild($btn)



#add the stack to the form

$form.AddChild($stack)



#run the OK scriptblock when form is loaded

$form.Add_Loaded($OK)



$btnQuit = New-Object System.Windows.Controls.Button

$btnQuit.Content = "_Quit"

$btnQuit.Width = 75

$btnQuit.HorizontalAlignment = "center"



#add the quit button to the stack

$stack.AddChild($btnQuit)



#close the form

$btnQuit.add_click({$form.Close()})



#show the form and suppress the boolean output

[void]($form.ShowDialog())