// PowerManager.h

 #pragma once

 using namespace System;

 using namespace System::Windows::Forms;

 namespace PowerManager

 {

     public delegate void PowerManagerDelegate();

 	public ref class PowerSettingNotifier

 	{

     public:

         PowerSettingNotifier(IntPtr aHandle, Boolean aService);

         PowerSettingNotifier(IntPtr aHandle);

         //

         void WndProc(Message% aMessage);

         event PowerManagerDelegate^ OnMonitorPowerOn

         {

             void add(PowerManagerDelegate^ d);

             void remove(PowerManagerDelegate^ d);

         private:

             void raise();

         }

         event PowerManagerDelegate^ OnMonitorPowerOff

         {

             void add(PowerManagerDelegate^ d);

             void remove(PowerManagerDelegate^ d);

         private:

             void raise();

         }

     private:

         void Construct(IntPtr aHandle, Boolean aService);

         //

         Boolean RegisterPowerSettingNotification(IntPtr aHandle, Boolean aService);

         Boolean RegisterPowerSettingNotification(IntPtr aHandle);

     private:

         PowerManagerDelegate^ iMonitorPowerOnDelegate;

         PowerManagerDelegate^ iMonitorPowerOffDelegate;

     private:

         /// Window or Service handle

         IntPtr iHandle;

         /// Specify whether we run as Window or a Service

         Boolean iIsService;

         ///

         int iMonitorPowerObserverCount;

 	};

 }