Added: Aug 19, 2002
Snippet uploaded by: snippet
Written By: Unknown
Demo: Sorry, no demo
Example Usage of Observer Pattern.
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' Declarations Section of a form:
Private m_oObservers(5) As CConcreteObserver
Private m_oSubjectObserver As CSubjectObserver
Private m_oSubject As CConcreteSubject
Private Sub cmdUpdate_Click()
m_oSubject.State = txtState.Text
Private Sub Form_Load()
Dim iLoop As Integer
Set m_oSubjectObserver = New cSubjectObserver
Set m_oSubject = New CConcreteSubject
' Create 5 Observer objects
For iLoop = 1 To 5
Set m_oObservers(iLoop) = New CConcreteObserver
m_oObservers(iLoop).init m_oSubjectObserver, iLoop
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