Windows Powershell Profile

profile.ps1

#——————————————————————————

# PowerShell console profile

# Calvin Bui

# Put at C:\Users\Calvin\Documents\WindowsPowerShell\profile.ps1

# Then run as admin: Set-ExecutionPolicy -ExecutionPolicy Unrestricted

# 7/5/17 - Added function to turn off screen (Turn-Off-Display)

#——————————————————————————

#Aliases

Set-Alias -Name sudo -Value Start-ElevatedPowerShell | out-null

Set-Alias -Name Turn-Off-Display -Value Switch-DisplayOff

Function Start-ElevatedPowerShell

{

 Start-Process PowerShell -Verb Runas

}

# Source: http://www.powershellmagazine.com/2013/07/18/pstip-how-to-switch-off-display-with-powershell/

# Turn display off by calling WindowsAPI.
 
# SendMessage(HWND_BROADCAST,WM_SYSCOMMAND, SC_MONITORPOWER, POWER_OFF)
# HWND_BROADCAST  0xffff
# WM_SYSCOMMAND   0x0112
# SC_MONITORPOWER 0xf170
# POWER_OFF       0x0002
 
Add-Type -TypeDefinition '
using System;
using System.Runtime.InteropServices;
 
namespace Utilities {
   public static class Display
   {
      [DllImport("user32.dll", CharSet = CharSet.Auto)]
      private static extern IntPtr SendMessage(
         IntPtr hWnd,
         UInt32 Msg,
         IntPtr wParam,
         IntPtr lParam
      );
 
      public static void PowerOff ()
      {
         SendMessage(
            (IntPtr)0xffff, // HWND_BROADCAST
            0x0112,         // WM_SYSCOMMAND
            (IntPtr)0xf170, // SC_MONITORPOWER
            (IntPtr)0x0002  // POWER_OFF
         );
      }
   }
}
'

function Switch-DisplayOff
{
   [Utilities.Display]::PowerOff()
}