LayoutPropertySet.cls [plain text]
VERSION 1.0 CLASS
BEGIN
MultiUse = -1 'True
Persistable = 0 'NotPersistable
DataBindingBehavior = 0 'vbNone
DataSourceBehavior = 0 'vbNone
MTSTransactionMode = 0 'NotAnMTSObject
END
Attribute VB_Name = "LayoutPropertySet"
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" ,"LayoutProperty"
Attribute VB_Ext_KEY = "Member0" ,"LayoutProperty"
Attribute VB_Ext_KEY = "Top_Level" ,"Yes"
'local variable to hold collection
Private mCol As Collection
'
' Avoids duplicates. If only an update is done than is returns 'Nothing'; otherwise
' returns the newly created LayoutProperty instance
'
Public Function Add(Scope As String, Value As String, PName As String) As LayoutProperty
Dim objNewMember As LayoutProperty
Set objNewMember = Item(PName, Scope)
If Not objNewMember Is Nothing Then
objNewMember.Value = Value
Set objNewMember = Nothing
Else
Set objNewMember = New LayoutProperty
'set the properties passed into the method
objNewMember.Scope = Scope
objNewMember.Value = Value
objNewMember.PName = PName
mCol.Add objNewMember, objNewMember.Id
End If
'return the object
Set Add = objNewMember
Set objNewMember = Nothing
End Function
Public Property Get ItemByPos(Pos As Integer) As LayoutProperty
Set ItemByPos = mCol.Item(Pos)
End Property
Public Property Get Item(thePName As String, theScope As String) As LayoutProperty
Attribute Item.VB_UserMemId = 0
Dim p As LayoutProperty
Dim i As Integer
i = Pos(thePName, theScope)
If i = 0 Then
Set Item = Nothing
Else
Set Item = mCol(i)
End If
End Property
'finds the position of a given property, returns 0 if not found
Public Function Pos(thePName As String, theScope As String) As Integer
Dim i As Integer
Dim p As LayoutProperty
For i = 1 To mCol.Count
Set p = mCol(i)
If p.PName = thePName And p.Scope = theScope Then
Pos = i
Exit Function
End If
Next i
Pos = 0
End Function
Public Property Get Count() As Long
'used when retrieving the number of elements in the
'collection. Syntax: Debug.Print x.Count
Count = mCol.Count
End Property
Public Function Remove(PName As String, Scope As String) As LayoutProperty
Set Remove = Item(PName, Scope)
If Not Remove Is Nothing Then
mCol.Remove Remove.Id
End If
End Function
Public Function RemoveByPos(Pos As Integer) As LayoutProperty
Set RemoveByPos = mCol.Item(Pos)
If Not RemoveByPos Is Nothing Then
mCol.Remove RemoveByPos.Id
End If
End Function
Public Property Get NewEnum() As IUnknown
Attribute NewEnum.VB_UserMemId = -4
Attribute NewEnum.VB_MemberFlags = "40"
'this property allows you to enumerate
'this collection with the For...Each syntax
Set NewEnum = mCol.[_NewEnum]
End Property
Private Sub Class_Initialize()
'creates the collection when this class is created
Set mCol = New Collection
End Sub
Private Sub Class_Terminate()
'destroys collection when this class is terminated
Set mCol = Nothing
End Sub
Public Function ToString() As String
Dim p As LayoutProperty
For Each p In mCol
ToString = ToString & " " & p.ToString
Next p
End Function
Public Sub Clear()
While mCol.Count <> 0
mCol.Remove 1
Wend
End Sub