itemcollection.cls

opc的使用软件

VERSION 1.0 CLASS
BEGIN
  MultiUse = -1  'True
  Persistable = 0  'NotPersistable
  DataBindingBehavior = 0  'vbNone
  DataSourceBehavior  = 0  'vbNone
  MTSTransactionMode  = 0  'NotAnMTSObject
END
Attribute VB_Name = "ItemCollection"
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 = "Collection" ,"CItem"
Attribute VB_Ext_KEY = "Member0" ,"CItem"
Attribute VB_Ext_KEY = "Top_Level" ,"Yes"
'
Private mCol As Collection

Public Function Add(ItemName As String, itemHandle As Long, Optional sKey As String) As CItem
    '
    Dim objNewMember As CItem
    Set objNewMember = New CItem


    '
    objNewMember.ItemName = ItemName
    objNewMember.itemHandle = itemHandle
    
    'If IsObject(ItemValue) Then
    '    Set objNewMember.ItemValue = ItemValue
    'Else
    '    objNewMember.ItemValue = ItemValue
    'End If
    'Dim var As Variant
    'Set objNewMember.ItemValue = var
    
    objNewMember.ItemQuality = 0
    'objNewMember.ItemConnected = ItemConnected
    objNewMember.ItemTimeStamp = Now
    If Len(sKey) = 0 Then
        mCol.Add objNewMember
    Else
        mCol.Add objNewMember, sKey
    End If


    '
    Set Add = objNewMember
    Set objNewMember = Nothing


End Function

Public Property Get Item(vntIndexKey As Variant) As CItem
Attribute Item.VB_UserMemId = 0
    '
  Set Item = mCol(vntIndexKey)
End Property



Public Property Get count() As Long
    count = mCol.count
End Property


Public Sub Remove(vntIndexKey As Variant)
    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()
    Set mCol = New Collection
End Sub


Private Sub Class_Terminate()
    Set mCol = Nothing
End Sub