# THIS CODE CANNOT BE COPY/PASTED INTO THE CONSOLE. PLEASE SAVE IT AS A FILE AND EXECUTE.

# Add required assemblies
Add-Type -AssemblyName PresentationFramework, System.Drawing, System.Windows.Forms, WindowsFormsIntegration

# Setup the XAML
[xml]$script:xaml = '<Window
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        Title="Acadiana (Cajun) Flag" Height="240" Width="320" Background="Gray">
 <Window.TaskbarItemInfo>
         <TaskbarItemInfo/>
 </Window.TaskbarItemInfo>
    <Grid>
        <Image Name="image" Height="64" Width="64"/>
    </Grid>
</Window>'

# Create the form and set variables
$script:window = [Windows.Markup.XamlReader]::Load((New-Object System.Xml.XmlNodeReader $xaml))
$xaml.SelectNodes("//*[@Name]") | ForEach-Object { Set-Variable -Name ($_.Name) -Value $window.FindName($_.Name) -Scope Script }

# here's the base64 string of the image
$base64 = "iVBORw0KGgoAAAANSUhEUgAAAEAAAAAuCAIAAAAX9YijAAAABmJLR0QA/wD/AP+gvaeTAAAGCElEQVRogc1Za0xTZxh+TukVWlrB6rjUzrmqM855Q0CGCB
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# Create a streaming image by streaming the base64 string to a bitmap streamsource
$bitmap = New-Object System.Windows.Media.Imaging.BitmapImage
$bitmap.BeginInit()
$bitmap.StreamSource = [System.IO.MemoryStream][System.Convert]::FromBase64String($base64)
$bitmap.EndInit()
$bitmap.Freeze()

# This is the pic in the middle
$image.source = $bitmap

# This is the icon in the upper left hand corner of the app
$window.Icon = $bitmap

# This is the toolbar icon and description
$window.TaskbarItemInfo.Overlay = $bitmap
$window.TaskbarItemInfo.Description = $window.Title

# Add Exit (Thanks, Ryan!)
$window.Add_Closing({[System.Windows.Forms.Application]::Exit(); Stop-Process $pid})

# Make PowerShell Disappear
$windowcode = '[DllImport("user32.dll")] public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);'
$asyncwindow = Add-Type -MemberDefinition $windowcode -name Win32ShowWindowAsync -namespace Win32Functions -PassThru
$null = $asyncwindow::ShowWindowAsync((Get-Process -PID $pid).MainWindowHandle, 0)

# Allow input to window for TextBoxes, etc
[System.Windows.Forms.Integration.ElementHost]::EnableModelessKeyboardInterop($window)

# Running this without $appContext and ::Run would actually cause a really poor response.
$window.Show()

# This makes it pop up
$window.Activate()

# Create an application context for it to all run within.
# This helps with responsiveness and threading.
$appContext = New-Object System.Windows.Forms.ApplicationContext
[void][System.Windows.Forms.Application]::Run($appContext)