Add-Type -Name Window -Namespace Console -MemberDefinition '
[DllImport("Kernel32.dll")]
public static extern IntPtr GetConsoleWindow();
 
[DllImport("user32.dll")]
public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow);
'
 
function Show-Console {
   $consolePtr = [Console.Window]::GetConsoleWindow()
  #5 show
 [Console.Window]::ShowWindow($consolePtr, 5)
}
 
function Hide-Console {
    $consolePtr = [Console.Window]::GetConsoleWindow()
  #0 hide
 [Console.Window]::ShowWindow($consolePtr, 0)
}
 
[void] [System.Reflection.Assembly]::LoadWithPartialName("System.Windows.Forms")
$Form = New-Object System.Windows.Forms.Form
 
$showButton = New-Object System.Windows.Forms.Button
$showButton.Text = 'ShowConsole'
$showButton.Top = 10
$showButton.Left = 10
$showButton.Width = 100
$showButton.add_Click({Show-Console})
$form.controls.Add($showButton)
 
$hideButton = New-Object System.Windows.Forms.Button
$hideButton.Text = 'HideConsole'
$hideButton.Top = 60
$hideButton.Left = 10
$hideButton.Width = 100
$hideButton.add_Click({hide-Console})
$form.controls.Add($hideButton)
 
$Form.ShowDialog()