Manually dispose of class instance in VB.Net

Question

Yes, I realize Garbage Collector takes care of freeing up memory, and I also know of the inefficiencies in clearing up memory manually, however for educational purposes I would like to know how to dispose a class instance in VB.Net.

Implement the IDisposable interface on your class and call .Dispose() when you want to be rid of it. — Adrian
– Adrian, Commented Aug 29, 2013 at 6:16
@Adrian Could you please post some code and post it as an answer so I can give you credit? — Uriel Katz
– Uriel Katz, Commented Aug 29, 2013 at 6:27
Note that free up memory is not the same as dispose. You can't manually free the memory a class instance takes up. — sloth
– sloth, Commented Aug 29, 2013 at 7:04

Rex · Accepted Answer · 2013-08-29 07:00:04Z

1

look at the example given in MSDN: http://msdn.microsoft.com/en-us/library/system.idisposable.aspx

to use it, you can either use Using block or call Dispose() directly. for example:

' use Using Block: 
Using r = New MyResource(100)
    Console.WriteLine(r.ToString())
End Using

' call Dispose directly:
Dim r = New MyResource(100)
Console.WriteLine(r.ToString())
r.Dispose()

answered Aug 29, 2013 at 7:00

Rex

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1 Comment

Antonio Over a year ago

Not all the classes implement the IDisposable interface, being unable to use the .Dispose(). I think the OP asks for a (not recommended) way to do it with the GC.

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