這是我剛完成的一個單參數委托通用類，主要目的是為了實驗委托與事件的使用，測試結果很成功。（發現時間已經是深夜1點多了，汗~~~）
現在我把整個代碼貼出來，給大家，如有良策，還望賜教，謝謝。
view plaincopy to clipboardprint?<span style="font-family:Microsoft YaHei;font-size:18px;">using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
namespace DawnXZ.Tools
{
/// <summary>
/// General commissioned a single parameter
/// </summary>
public class DelegateTsit
{
#region Delegate & Event
/// <summary>
/// Declare a delegate
/// </summary>
/// <param name="sender">The delegate object</param>
/// <param name="e">The delegate event</param>
public delegate void UpdateInfoEventHandler(object sender, UpdateInfoEventArgs e);
/// <summary>
/// Declare a delegate event
/// </summary>
private event UpdateInfoEventHandler UpdateInfo;
#endregion Delegate & Event
#region Delegate event class
/// <summary>
/// Delegate event class
/// </summary>
public class UpdateInfoEventArgs : EventArgs
{
/// <summary>
/// To update the information
/// </summary>
public readonly string _strInfo;
/// <summary>
/// System.Windows.Forms
/// </summary>
public readonly Form _form;
/// <summary>
/// Constructed function
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="strInfo">To update the information</param>
public UpdateInfoEventArgs(Form form, string strInfo)
{
this._strInfo = strInfo;
this._form = form;
}
}
#endregion Delegate event class
#region Register & UnRegister
/// <summary>
/// To register more than one method for an event
/// </summary>
/// <param name="method">Method name</param>
public void Register(UpdateInfoEventHandler method)
{
UpdateInfo += method;
}
/// <summary>
/// Registered with the event a unique method
/// </summary>
/// <param name="method">Method name</param>
public void RegisterOnly(UpdateInfoEventHandler method)
{
UpdateInfo = method;
}
/// <summary>
/// Registered with the event against method
/// </summary>
/// <param name="method">Method name</param>
public void UnRegister(UpdateInfoEventHandler method)
{
UpdateInfo -= method;
}
#endregion Register & UnRegister
#region Virtual
/// <summary>
/// Can be overridden execute method
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="e">The delegate event</param>
protected virtual void OnUpdateInfo(Form form, UpdateInfoEventArgs e)
{
if (UpdateInfo != null) form.Invoke(UpdateInfo, this, e);
}
#endregion Virtual
#region Member method
/// <summary>
/// Executes a delegate method
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="strInfo">To update the information</param>
public void Executes(Form form, string strInfo)
{
UpdateInfoEventArgs e = new UpdateInfoEventArgs(form, strInfo);
OnUpdateInfo(form, e);
e = null;
}
#endregion Member method
}
}
</span>
<span style="font-family:Microsoft YaHei;font-size:18px;">using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
namespace DawnXZ.Tools
{
/// <summary>
/// General commissioned a single parameter
/// </summary>
public class DelegateTsit
{
#region Delegate & Event
/// <summary>
/// Declare a delegate
/// </summary>
/// <param name="sender">The delegate object</param>
/// <param name="e">The delegate event</param>
public delegate void UpdateInfoEventHandler(object sender, UpdateInfoEventArgs e);
/// <summary>
/// Declare a delegate event
/// </summary>
private event UpdateInfoEventHandler UpdateInfo;
#endregion Delegate & Event
#region Delegate event class
/// <summary>
/// Delegate event class
/// </summary>
public class UpdateInfoEventArgs : EventArgs
{
/// <summary>
/// To update the information
/// </summary>
public readonly string _strInfo;
/// <summary>
/// System.Windows.Forms
/// </summary>
public readonly Form _form;
/// <summary>
/// Constructed function
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="strInfo">To update the information</param>
public UpdateInfoEventArgs(Form form, string strInfo)
{
this._strInfo = strInfo;
this._form = form;
}
}
#endregion Delegate event class
#region Register & UnRegister
/// <summary>
/// To register more than one method for an event
/// </summary>
/// <param name="method">Method name</param>
public void Register(UpdateInfoEventHandler method)
{
UpdateInfo += method;
}
/// <summary>
/// Registered with the event a unique method
/// </summary>
/// <param name="method">Method name</param>
public void RegisterOnly(UpdateInfoEventHandler method)
{
UpdateInfo = method;
}
/// <summary>
/// Registered with the event against method
/// </summary>
/// <param name="method">Method name</param>
public void UnRegister(UpdateInfoEventHandler method)
{
UpdateInfo -= method;
}
#endregion Register & UnRegister
#region Virtual
/// <summary>
/// Can be overridden execute method
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="e">The delegate event</param>
protected virtual void OnUpdateInfo(Form form, UpdateInfoEventArgs e)
{
if (UpdateInfo != null) form.Invoke(UpdateInfo, this, e);
}
#endregion Virtual
#region Member method
/// <summary>
/// Executes a delegate method
/// </summary>
/// <param name="form">System.Windows.Forms</param>
/// <param name="strInfo">To update the information</param>
public void Executes(Form form, string strInfo)
{
UpdateInfoEventArgs e = new UpdateInfoEventArgs(form, strInfo);
OnUpdateInfo(form, e);
e = null;
}
#endregion Member method
}
}
</span>
以下代碼為 From 窗體中的：
view plaincopy to clipboardprint?<span style="font-family:Microsoft YaHei;font-size:18px;">
#region Form event
/// <summary>
/// Form Loading
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Load(object sender, EventArgs e)
{
System.Threading.Thread thread = new System.Threading.Thread(new System.Threading.ThreadStart(IamTest));
thread.Start();
thread.IsBackground = true;
}
private void IamTest()
{
int i = 0;
while (true)
{
i++;
DawnXZ.Tools.DelegateTsit delUpdate = new DawnXZ.Tools.DelegateTsit();
delUpdate.Register(UpdateTxtInfoMsg);
delUpdate.Executes(this, "I am a test information.");
if (i > 100) break;
System.Threading.Thread.Sleep(2000);
}
}
/// <summary>
/// Close the form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Closing(object sender, CancelEventArgs e)
{
}
/// <summary>
/// Closed form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Closed(object sender, EventArgs e)
{
}
#endregion Form event
#region Update logs information
/// <summary>
/// Update logs information
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UpdateTxtInfoMsg(object sender, DawnXZ.Tools.DelegateTsit.UpdateInfoEventArgs e)
{
//this._logger.Write(strInfo);
if (txtInfoMsg.Text.Length > 65535)
{
txtInfoMsg.Text = string.Empty;
}
txtInfoMsg.Text = string.Format("{0} {1}\r\n{2}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), e._strInfo, txtInfoMsg.Text);
}
#endregion Update logs information
</span>
<span style="font-family:Microsoft YaHei;font-size:18px;">
#region Form event
/// <summary>
/// Form Loading
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Load(object sender, EventArgs e)
{
System.Threading.Thread thread = new System.Threading.Thread(new System.Threading.ThreadStart(IamTest));
thread.Start();
thread.IsBackground = true;
}
private void IamTest()
{
int i = 0;
while (true)
{
i++;
DawnXZ.Tools.DelegateTsit delUpdate = new DawnXZ.Tools.DelegateTsit();
delUpdate.Register(UpdateTxtInfoMsg);
delUpdate.Executes(this, "I am a test information.");
if (i > 100) break;
System.Threading.Thread.Sleep(2000);
}
}
/// <summary>
/// Close the form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Closing(object sender, CancelEventArgs e)
{
}
/// <summary>
/// Closed form
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void frmMain_Closed(object sender, EventArgs e)
{
}
#endregion Form event
#region Update logs information
/// <summary>
/// Update logs information
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UpdateTxtInfoMsg(object sender, DawnXZ.Tools.DelegateTsit.UpdateInfoEventArgs e)
{
//this._logger.Write(strInfo);
if (txtInfoMsg.Text.Length > 65535)
{
txtInfoMsg.Text = string.Empty;
}
txtInfoMsg.Text = string.Format("{0} {1}\r\n{2}", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"), e._strInfo, txtInfoMsg.Text);
}
#endregion Update logs information
</span>
作者“蟑螂·魂——晨曦小竹”
