[just.coder]

تفضل اخى

كود :

Dim stopp As Boolean = False
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '\\\\تشغيل التايمر
        stopp = True
        Dim trd As New System.Threading.Thread(AddressOf tick_timer)
        trd.Start()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        '\\\ ايقاف التايمر
        stopp = False
    End Sub
    Private Sub tick_timer()
        While stopp = True
            System.Threading.Thread.Sleep(1500)
            If stopp = False Then
                Exit Sub
            End If
            MsgBox("it work")
        End While
    End Sub