// PowerManager.h

#pragma once

using namespace System;

using namespace System::Windows::Forms;

namespace PowerManager

{

    public delegate void PowerManagerDelegate();

	public ref class SettingNotifier

	{

    public:

        //Constructors

        SettingNotifier(IntPtr aHandle, Boolean aService);

        SettingNotifier(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);

        //

        HPOWERNOTIFY RegisterPowerSettingNotification(LPCGUID aGuid);

    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;

        HPOWERNOTIFY iMonitorPowerHandle;

	};

}