cftpfiles.cls

本书源码主要针对目前流行的FTP、HTTP、E-mail、Telnet、ICMP、Modem串口通信编程、拨号网络编程等内容进行详细的讲解

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "CFtpFiles"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = True
Attribute VB_PredeclaredId = False
Attribute VB_Exposed = False
Attribute VB_Ext_KEY = "SavedWithClassBuilder6" ,"Yes"
Attribute VB_Ext_KEY = "Top_Level" ,"No"
Attribute VB_Ext_KEY = "Collection" ,"CFtpFile"
Attribute VB_Ext_KEY = "Member0" ,"CFtpFile"
'类模块内部变量，变量类型为collection
Private mCol As Collection

Public Function Add(oFtpFile As CFtpFile, vKey As Variant) As CFtpFile
'向mcol集合中加入一个一个CFtpFile类
    mCol.Add oFtpFile
    Set Add = oFtpFile
    
End Function

Public Property Get Item(vntIndexKey As Variant) As CFtpFile
Attribute Item.VB_UserMemId = 0
'获得一个成员的信息
    Set Item = mCol(vntIndexKey)
End Property

Public Property Get Count() As Long
'获得mCol中的成员数
    Count = mCol.Count
End Property

Public Sub Remove(vntIndexKey As Variant)
'删除一个成员的信息
    mCol.Remove vntIndexKey
End Sub

Public Property Get NewEnum() As IUnknown
Attribute NewEnum.VB_UserMemId = -4
Attribute NewEnum.VB_MemberFlags = "40"

    Set NewEnum = mCol.[_NewEnum]
   
End Property

Private Sub Class_Initialize()
'创建一个新的集合
    Set mCol = New Collection
End Sub

Private Sub Class_Terminate()
'释放类资源
    Set mCol = Nothing
End Sub