hide console2 + powershell http://stackoverflow.com/questions/11942032/unhiding-a-powershell-window-thats-been-run-with-windowstyle-hidden

console.event.cs

using System;
using System.Runtime.InteropServices;

namespace ConsoleApplication1
{
    class Program
    {
        [DllImport("kernel32.dll")]
        static extern bool SetConsoleCtrlHandler(ConsoleCtrlDelegate HandlerRoutine, bool Add);
        delegate Boolean ConsoleCtrlDelegate(CtrlTypes CtrlType);
        enum CtrlTypes : uint
        {
            CTRL_C_EVENT = 0,
            CTRL_BREAK_EVENT,
            CTRL_CLOSE_EVENT,
            CTRL_LOGOFF_EVENT = 5,
            CTRL_SHUTDOWN_EVENT
        }
        static void Main(string[] args)
        {
            if (SetConsoleCtrlHandler(type =>
            {
                switch (type)
                {
                    case CtrlTypes.CTRL_C_EVENT:
                        Console.WriteLine("CTRL_C_EVENT");
                        break;
                    case CtrlTypes.CTRL_BREAK_EVENT:
                        Console.WriteLine("CTRL+BREAK received!");
                        break;
                    case CtrlTypes.CTRL_CLOSE_EVENT:
                        Console.WriteLine("Program being closed!");
                        break;
                    case CtrlTypes.CTRL_LOGOFF_EVENT:
                        Console.WriteLine("User is logging off!");
                        break;
                    case CtrlTypes.CTRL_SHUTDOWN_EVENT:
                        Console.WriteLine("User is logging off!");
                        break;

                }
                return true;
            }, true))
            {
                Console.WriteLine("Setup Ok!");

                while (true)
                {
                    if ((Console.ReadKey()).KeyChar == 'q')
                    {
                        break;
                    }
                }

            }
        }
    }
}

xx.ps1

function hide-powershell {
param($shost ="console")
<#
try{
[Foo.ConsoleUtils]::ShowWindow((ps $shost).MainWindowHandle,0)
}
catch [System.Management.Automation.RuntimeException]
{
  
  if ($_.FullyQualifiedErrorId -eq 'TypeNotFound'){
$src = @'
    [DllImport("Kernel32.dll")]
    public static extern IntPtr GetConsoleWindow();
    [DllImport("User32.dll")]
    public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow);
'@

Add-Type -Name ConsoleUtils -Namespace Foo -MemberDefinition $src

[Foo.ConsoleUtils]::ShowWindow((ps $shost).MainWindowHandle,0)
}
}
catch{
 Write-Warning $_.Exception
}
#>
if (!("Foo.ConsoleUtils" -as [type])){
   $src = @'
    [DllImport("Kernel32.dll")]
    public static extern IntPtr GetConsoleWindow();
    [DllImport("User32.dll")]
    public static extern bool ShowWindow(IntPtr hWnd, Int32 nCmdShow);
'@

Add-Type -Name ConsoleUtils -Namespace Foo -MemberDefinition $src
}
if(@(ps console -ea 0)){
[Foo.ConsoleUtils]::ShowWindow((ps $shost).MainWindowHandle,0)
}else{
  #$hWnd = [Foo.ConsoleUtils]::GetConsoleWindow()
  #[Foo.ConsoleUtils]::ShowWindow($hWnd, 0)
}
}


#add your profile file 
#activate console2  can use console2 hotkeys