منتدى فيجوال بيسك لكل العرب | منتدى المبرمجين العرب

(24-07-15, 06:33 PM)الطالب كتب : [ -> ]سلام

كود :

Imports System.Threading

Public Class Form1

   Dim m As Integer = 0

   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       If Not BackgroundWorker1.IsBusy Then BackgroundWorker1.RunWorkerAsync()

   End Sub

   Private Delegate Sub Control()

   Private Sub BackgroundWorker1_DoWork(ByVal sender As Object, ByVal e As System.ComponentModel.DoWorkEventArgs) Handles BackgroundWorker1.DoWork
       Do
           Dim Invoker As New Control(Sub()
                                          TextBox1.Text = m
                                      End Sub)
           TextBox1.Invoke(Invoker, Nothing)
           m = m + 5
           Thread.Sleep(1000)
       Loop
   End Sub

End Class

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