Mdi子窗口间消息通信

王朝other·作者佚名  2006-01-09
窄屏简体版  字體: |||超大  

using System;

namespace Vavic

{

/// <summary>

/// 当信息更改是通知其他的窗口重新加载数据

/// 使用方法为:1)通知信息更改

/// Notify.Instance().SendMessage(100, "Form1 Activate test notify event");

/// 其中第一个参数为信息号,第二个参数为信息描述

/// 2)收取信息

/// 使用方法,在每个FORMLOAD事件中加入如下语句

/// Notify.Instance().OnNotifyEvent += new Notify.NotifyEvent(OnNotifyEvent);

/// 同时编写如下的方法用于重新加载数据

///protected void OnNotifyEvent(object sender, Notify.NotifyEventArgs e)

///{

/// if (e.Code == Notify.CompanyInfo)

/// System.Diagnostics.Debug.WriteLine(string.Format(" Form1 Code={0}, Message = {1}", e.Code,e.Message));

///}

/// </summary>

public class Notify

{

protected static Notify m_notify = null;

public delegate void NotifyEvent(object sender, NotifyEventArgs e);

public event NotifyEvent OnNotifyEvent;

protected Notify()

{

//

// TODO: 在此处添加构造函数逻辑

//

}

public static Notify Instance()

{

if (m_notify == null)

m_notify = new Notify();

return m_notify;

}

public void SendMessage(int code, string message)

{

NotifyEventArgs e = new NotifyEventArgs(code, message);

if ( OnNotifyEvent != null)

OnNotifyEvent(this, e);

}

public class NotifyEventArgs : System.EventArgs

{

public NotifyEventArgs(int code, string message)

{

m_nCode = code;

m_strMessage = message;

}

public NotifyEventArgs()

{

}

protected int m_nCode;

public int Code

{

get { return m_nCode;}

set { m_nCode = value;}

}

protected string m_strMessage = string.Empty;

public string Message

{

get { return m_strMessage;}

set

{

m_strMessage = value;

if (m_strMessage == null)

m_strMessage = string.Empty;

}

}

}

#region Common Infomation

public const int CompanyInfo = 1;

public const int ProjectInfo = 2;

public const int TaskInfo = 3;

public const int Opportunity = 4;

public const int Contactor = 5;

public const int EmployeeInfo = 6;

public const int DepartmentInfo = 7;

public const int AdvCityInfo = 8;

#endregion

}

}

 
 
 
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