DosTips.com

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#include
 
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
{
    // Turn off monitor
    SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) 2);
    // Turn on monitor
    SendMessage(HWND_BROADCAST, WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) -1);
 
    return 0;
}

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PowerShell -executionpolicy remotesigned -File Monitor.ps1

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$Assem = (
   "System",
   "System.Runtime.InteropServices",
   "System.Threading"
)

$Source = @"
using System;
using System.Runtime.InteropServices;
using System.Threading;

using DWORD     = System.Int32;
using HWND      = System.IntPtr;
using LPARAM    = System.IntPtr;
using LRESULT   = System.IntPtr;
using UINT      = System.UInt32;
using ULONG_PTR = System.UIntPtr;
using WPARAM    = System.IntPtr;



namespace Penpen.Test {
   public static class Monitor {
      [DllImport("kernel32.dll")]
      static extern HWND GetConsoleWindow();

      [DllImport("user32.dll", CharSet = CharSet.Auto)]
      static extern LRESULT SendMessage(
         HWND   hWnd,
         UINT   Msg,
         WPARAM wParam,
         LPARAM lParam
      );

      static UINT   WM_SYSCOMMAND   = 0x0112;
      static WPARAM SC_MONITORPOWER = (IntPtr)0xF170;

      public const Int32 On  = (-1);
      public const Int32 Low = 1;
      public const Int32 Off = 2;

      public static void SetMode(Int32 mode) {
         SendMessage(GetConsoleWindow(), WM_SYSCOMMAND, SC_MONITORPOWER, (LPARAM) mode);
      }

      public static void RestartMonitor() {
         // Turn off monitor
         SetMode(Off);

         // Turn on monitor
         Thread.Sleep(2000);
         Mouse.move(0, 100);
         Mouse.move(0, -100);
      }
   }

   public static class Mouse {
      public static DWORD MOUSEEVENTF_MOVE = 0x0001;

      [DllImport("user32.dll")]
      static extern void mouse_event(
         DWORD     dwFlags,
         DWORD     dx,
         DWORD     dy,
         DWORD     dwData,
         ULONG_PTR dwExtraInfo
      );


      public static void move(Int32 dx, Int32 dy) {
         mouse_event(MOUSEEVENTF_MOVE, (DWORD) dx, (DWORD) dy, (DWORD) 0, ULONG_PTR.Zero);
      }
   }
}
"@

Add-Type -ReferencedAssemblies $Assem -TypeDefinition $Source -Language CSharp  

[Penpen.Test.Monitor]::RestartMonitor()

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17:28:15 **** Incremental Build of configuration Debug for project hdmiOn ****
Info: Configuration "Debug" uses tool-chain "MinGW GCC" that is unsupported on this system, attempting to build anyway.
Info: Internal Builder is used for build
g++ -O0 -g3 -Wall -c -fmessage-length=0 -o "src\\hdmiOn1.o" "..\\src\\hdmiOn1.cpp" 
..\src\hdmiOn1.cpp:1:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
..\src\hdmiOn1.cpp:3:12: error: expected initializer before 'WinMain'
 int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
            ^

17:28:15 Build Finished (took 237ms)

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#include <windows.h>