ID: 209
Viewed: 3364
Added: Apr 29, 2002
Version:
Snippet uploaded by: snippet
Written By: unknown
Demo: Sorry, no demo
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This class creates a simple stack data structure.
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<!---Declaration--->
Option Explicit
Dim m_Col As Collection
Public Sub Push(ByVal vData As Variant)
If m_Col.Count > 0 Then
m_Col.Add vData, , 1
Else
m_Col.Add vData
End If
End Sub
Public Property Get TopVal() As Variant
If m_Col.Count > 0 Then
If Not IsObject(m_Col.Item(1)) Then
TopVal = m_Col.Item(1)
End If
Else
TopVal = vbNullString
End If
End Property
Public Property Get Count() As Integer
Count = m_Col.Count
End Property
Public Function Pop() As Variant
If m_Col.Count > 0 Then
If IsObject(m_Col.Item(1)) Then
Set Pop = m_Col.Item(1)
Else
Pop = m_Col.Item(1)
End If
m_Col.Remove 1
End If
End Function
Public Function More() As Boolean
More = (m_Col.Count > 0)
End Function
Private Sub Class_Initialize()
Set m_Col = New Collection
End Sub
Private Sub Class_Terminate()
Set m_Col = Nothing
End Sub
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<!---Code--->
none;
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