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In thread creation how to reference a sub within a class file.

Posted on 2006-06-14
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Last Modified: 2010-04-17
I need to use a sub in another class file with a new thread. The name of the class file is CworkerClass and the sub is worker. Below is the code that creates the thread and tries to use the worker sub with no success. I know this must be an easy question for someone. Thanks for looking.


  Dim WorkerThread As Thread = New Thread(AddressOf Worker)

        WorkerThread.Name = "Worker Thread: " & WorkerCount.ToString

        WorkerThread.IsBackground = True
        WorkerThread.Start()
        WorkerCount += 1

        WorkerCountLabel.Text = "Worker Count: " & WorkerCount
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Question by:JPERKS1985
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Mike Tomlinson earned 2000 total points
ID: 16902914
I think you mean?...

    Public Class SomeClass

        Public Sub Worker()

        End Sub

    End Class

    Dim sc As New SomeClass
    Dim WorkerThread As Thread = New Thread(AddressOf sc.Worker)

But it would make sense to encapsulate it more with something like..

    Public Class SomeClass

        Private WorkerThread As Thread

        Public Sub StartThread()
            If WorkerThread Is Nothing Then
                WorkerThread = New Thread(AddressOf Me.Worker)
                    WorkerThread.Start()
            End If
        End Sub

        Private Sub Worker()
            ' this thread can access anything in its instance of SomeClass...
            ' so pass any needed parameters for your thread into this intance
        End Sub

    End Class
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