If I have an object which is about to become finalized, and this object has
instantiated several other objects during its lifetime, how can I be sure
(or find out) that those objects haven't been killed by the GC, already?
Take, for example, a class that uses a FileStream-object which can be open
during the object's lifetime.
A dispose-method for it may look somewhat like this:
'Called by Me.Dispose() or Me.Finalize()
Public Sub Dispose(ByVal Disposing As Boolean)
'Hasn't been called by GC
If Disposing Then
'Already disposed?
If myDisposed Then
Dim up As New ObjectDisposedException("WhatEverObject")
Throw up
End If
'Some Property to find out what to do
If mySerializerMode = SoapSerializerMode.OpenForWriting Then
myFileStream.Flush()
End If
myFileStream.Close()
Has been called by the GC! At this point I'm not sure, if I can safely use the FileStream-Object,
since it could already be finalized, couldn't it?!
Else
if
End If
End If
End Sub
