using System;
using System.Runtime.InteropServices;

namespace Xylem.Common.Hardware.WaterMeter.WaterMeterCore
{
    /// <summary>
    /// Interface for <see cref="IMeter"/> Events
    /// you can use <see cref="IMeterEvents"/> without events (so with out <see cref="IMeter"/>)
    /// </summary>
    [Guid("205F5E52-8929-4C69-B270-1B57FC3F5A92"), ComVisible(true)
    , InterfaceType(ComInterfaceType.InterfaceIsIDispatch)]
    
    public interface IMeterEvents
    {
        #region events

        /// <summary>
        ///     occurs when ProcessState has changed
        /// </summary>
        event EventHandler OnProcessStatusChanged;

        /// <summary>
        ///     occurs when ErrorState has changed
        /// </summary>
        event EventHandler OnErrorStatusChanged;

        /// <summary>
        ///     occurs when Init is completed
        /// </summary>
        event EventHandler OnInitCompleted;

        /// <summary>
        ///     occurs when the initializations for Measurement is completed
        /// </summary>
        event EventHandler OnMeasurementInitCompleted;

        /// <summary>
        ///     occurs when the Measurement is completed
        /// </summary>
        event EventHandler OnMeasurementCompleted;

        /// <summary>
        ///     occurs when the initializations for calibration is completed
        /// </summary>
        event EventHandler OnCalibInitCompleted;

        /// <summary>
        ///     occurs when the calibration is completed
        /// </summary>
        event EventHandler OnCalibCompleted;


        #endregion
    }
 }