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Visual Basic class definition | 2000-12-31 | 3.6 KB | 97 lines |
- VERSION 1.0 CLASS
- BEGIN
- MultiUse = -1 'True
- Persistable = 0 'NotPersistable
- DataBindingBehavior = 0 'vbNone
- DataSourceBehavior = 0 'vbNone
- MTSTransactionMode = 0 'NotAnMTSObject
- END
- Attribute VB_Name = "DataFields"
- Attribute VB_GlobalNameSpace = False
- Attribute VB_Creatable = False
- Attribute VB_PredeclaredId = False
- Attribute VB_Exposed = True
- '**********************************************************************************
- ' Name: clsFields.cls
- ' Description: Class Collection of the DataField Object
- ' Author: Vincent Lozada
- ' Description: Standard business operations supported by this business object:
- ' Add Adds a member to the Fields Collection object
- '
- ' Clear Removes all members from the Fields Collection object
- '
- ' Item Returns a specific member of a DataField Collection object
- ' either by position or key
- '
- ' Remove Removes a member from the Fields Collection object
- ' either by position or key
- '**********************************************************************************
-
- Option Explicit
-
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- ' Private Class Members
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- Private m_col_DataFields As Collection
-
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- ' Private Class Constructor/Deconstructor
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- Private Sub Class_Initialize()
- Set m_col_DataFields = New Collection
- End Sub
-
- Private Sub Class_Terminate()
- Set m_col_DataFields = Nothing
- End Sub
-
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- ' Public Class Properties
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- Public Property Get Count() As Integer
- Attribute Count.VB_Description = "Returns the number of members in Fields collection"
- Count = m_col_DataFields.Count
- End Property
-
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- ' Public Class Methods
- '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
- Public Sub Add(x As DataField, Optional in_str_Key As String)
- Attribute Add.VB_Description = "Adds a member to the Fields Collection object"
- If in_str_Key = "" Then
- Call m_col_DataFields.Add(x)
- Else
- Call m_col_DataFields.Add(x, in_str_Key)
- End If
- End Sub
-
- Public Sub Clear()
- Attribute Clear.VB_Description = "Removes all members from the Fields Collection object"
- Set m_col_DataFields = New Collection
- End Sub
-
- Public Function Item(ByVal x As Variant) As DataField
- Attribute Item.VB_Description = "Returns a specific member of a Fields Collection object either by position or key"
- Attribute Item.VB_UserMemId = 0
- Set Item = m_col_DataFields.Item(x)
- End Function
-
- Public Sub Remove(ByVal x As Variant)
- Attribute Remove.VB_Description = "Removes a member from the Fields Collection object either by position or key"
- Call m_col_DataFields.Remove(x)
- End Sub
-
- Public Function NewEnum() As IUnknown
- Attribute NewEnum.VB_UserMemId = -4
- Attribute NewEnum.VB_MemberFlags = "40"
- 'An enumerator is a small object that knows how to
- 'iterate through the items in a collection
-
- 'The square brackets around the Collection object's
- '_NewEnum method are necessary because of the leading
- 'underscore in the method name. This leading underscore
- 'is a convention indicating that the method is hidden
- 'in the type library.
- Set NewEnum = m_col_DataFields.[_NewEnum]
- End Function
-