how to know when a work in a thread is complete?

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Hi how to know when a work in a thread is complete?

VB

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        Dim firstThread As New Thread(AddressOf Fu1)
        firstThread.Start()

'I want to determine the job of sub (Fun) is finished and then run other code. Normally if i add other code after firstThread.Start() code is running before completed job of Fun (Codes after firstThread.Start() is depended on finished Fun)
End Sub

Sub Fun()
'Something code is here

End Sub

Posted 6-Jun-12 22:06pm

ali.hnd

Updated 6-Jun-12 22:12pm

v2

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3 solutions

Solution 2

For a thread you have the myThread.IsAlive property. It is false if the thread method returned or the thread was aborted.

Look at MSDN [^]for details.

Posted 6-Jun-12 22:10pm

Manas Bhardwaj

Comments

ali.hnd 7-Jun-12 4:22am

How to check myThread.IsAlive property? I can't do that by while loop because program is busy during loop is running.

Solution 1

Hi try to look forward on Join method.

VB

Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        Dim firstThread As New Thread(AddressOf Fu1)
        firstThread.Start()
        firstThread.Join()

'I want to determine the job of sub (Fun) is finished and then run other code. Normally if i add other code after firstThread.Start() code is running before ompleted job of Fun (Codes after firstThread.Start() is depended on finished Fun)
End Sub

Sub Fun()
'Something code is here

End Sub

Posted 6-Jun-12 22:09pm

Oleksandr Kulchytskyi

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ali.hnd · Accepted Answer · 2012-06-08T20:06:00

VB

Dim firstThread As New Thread(AddressOf Job1)
Dim SecondThread As New Thread(AddressOf Job2)
Private Sub Button1_Click(sender As System.Object, e As System.EventArgs) Handles Button1.Click
        
        firstThread.Start()
        SecondThread.Start()

End Sub

Sub Job1()

'Something code is here

End Sub

Sub Job2()
        While (Job1.IsAlive)
        End While
'Job 2
End Sub