Display a image full screen with a background gradient. (Purposefully include bug in this version for blog)

CoverScreen.ps1

Add-Type -AssemblyName "System.Windows.Forms"
Add-Type -AssemblyName "System.Drawing"
$fileBytes = Get-Content -Encoding Byte 'C:\Users\rodri\Downloads\foo.jpg' 
# $fileBytes = [Convert]::FromBase64String($fileContent)
$fileMemoryStream = [System.IO.MemoryStream]::new($fileBytes)
$imageStream = [System.Drawing.Image]::FromStream($fileMemoryStream)

[System.Windows.Forms.Application]::EnableVisualStyles()
$form = New-Object Windows.Forms.Form
$form.TopMost = $true
$form.WindowState = [System.Windows.Forms.FormWindowState]::Maximized

$pictureBox = New-Object Windows.Forms.PictureBox
$pictureBox.Dock = [System.Windows.Forms.DockStyle]::Fill
$pictureBox.SizeMode = [System.Windows.Forms.PictureBoxSizeMode]::CenterImage
$pictureBox.Image = $imageStream

$form.add_paint({
  $back = [System.Drawing.Bitmap]::new($pictureBox.Width, $pictureBox.Height)
  $myBrush = [System.Drawing.Drawing2D.LinearGradientBrush]::new(
      [System.Drawing.Point]::new(0, 10),
      [System.Drawing.Point]::new($pictureBox.Width, 10),
      [System.Drawing.Color]::FromArgb(166, 206, 57),
      [System.Drawing.Color]::FromArgb(49, 169, 224)
  )
  $graphics = [System.Drawing.Graphics]::FromImage($back)
  $graphics.FillRectangle($myBrush, $pictureBox.DisplayRectangle)
  $pictureBox.BackgroundImage = $back
})
$form.controls.add($pictureBox)
[System.Windows.Forms.Application]::Run($form)