using System;
using System.IO;
//封装原来的DirectoryInfo类，添加事件，可以代替FileSystemWatcher 类
public class DirectoryInfoNotify
{
public DirectoryInfoNotify(string path)
{
internalDirInfo = new DirectoryInfo(path);
}
private DirectoryInfo internalDirInfo = null;
public event EventHandler AfterCreate;
public event EventHandler AfterCreateSubDir;
public event EventHandler AfterDelete;
public event EventHandler AfterMoveTo;
protected virtual void OnAfterCreate()
{
EventHandler afterCreate = AfterCreate;
if (afterCreate != null)
{
afterCreate(this, new EventArgs());
}
}
protected virtual void OnAfterCreateSubDir()
{
EventHandler afterCreateSubDir = AfterCreateSubDir;
if (afterCreateSubDir != null)
{
afterCreateSubDir(this, new EventArgs());
}
}
protected virtual void OnAfterDelete()
{
EventHandler afterDelete = AfterDelete;
if (afterDelete != null)
{
afterDelete(this, new EventArgs());
}
}
protected virtual void OnAfterMoveTo()
{
EventHandler afterMoveTo = AfterMoveTo;
if (afterMoveTo != null)
{
afterMoveTo(this, new EventArgs());
}
}
// Event firing members
//激活事件的方法
public void Create()
{
internalDirInfo.Create();
OnAfterCreate();
}
public DirectoryInfoNotify CreateSubdirectory(string path)
{
DirectoryInfo subDirInfo = internalDirInfo.CreateSubdirectory(path);
OnAfterCreateSubDir();
return (new DirectoryInfoNotify(subDirInfo.FullName));
}
public void Delete(bool recursive)
{
internalDirInfo.Delete(recursive);
OnAfterDelete();
}
public void Delete()
{
internalDirInfo.Delete();
OnAfterDelete();
}
public void MoveTo(string destDirName)
{
internalDirInfo.MoveTo(destDirName);
OnAfterMoveTo();
}
// Nonevent firing members
public string FullName
{
get { return (internalDirInfo.FullName); }
}
public string Name
{
get { return (internalDirInfo.Name); }
}
public DirectoryInfoNotify Parent
{
get { return (new DirectoryInfoNotify(internalDirInfo.Parent.FullName)); }
}
public DirectoryInfoNotify Root
{
get { return (new DirectoryInfoNotify(internalDirInfo.Root.FullName)); }
}
public override string ToString()
{
return (internalDirInfo.ToString());
}
}
