关于连接 providers 的一些代码 （学习QD）

using System;

using System.Collections.Generic;

using System.Text;

using SmartQuant.Providers;

using System.ComponentModel;

namespace DummyProvider

{

    public class MyProvider : IProvider, IMarketDataProvider, IExecutionProvider

    {

        #region IProvider Members

        public void Connect(int timeout)

        {

            this.Connect();

            ProviderManager.WaitConnected(this, timeout);

        }

 

        public void Connect()

        {

            isConnected = true;

            if (Connected != null)

                Connected(this, new EventArgs());

        }

        public event EventHandler Connected;

 

        public void Disconnect()

        {

            isConnected = false;

            if (Disconnected != null)

                Disconnected(this, new EventArgs());

        }

 

        public event EventHandler Disconnected;

        public event ProviderErrorEventHandler Error;

 

        public byte Id

        {

            get { return 80; }

        }

 

        private bool isConnected = false;

 

        [Category("Information")]

        public bool IsConnected

        {

            get { return isConnected; }

        }

        [Category("Information")]

        public string Name

        {

            get { return "DummyProvider"; }

        }

 

        [Category("Information")]

        public ProviderStatus Status

        {

            get

            {

                if (!IsConnected)

                    return ProviderStatus.Disconnected;

                else

                    return ProviderStatus.Connected;

            }

        }

 

        public event EventHandler StatusChanged;

 

        public string Title

        {

            get { return "This is a dummy provider."; }

        }

 

        public string URL

        {

            get { return String.Empty; }

        }

        #endregion

 

        #region IMarketDataProvider Members

        #region IExecutionProvider Members

    }

}