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Public Class Form1
Dim webservice As New localhost.Service
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
AddHandler webservice.tryinCompleted, AddressOf tryinAsyncComplete
webservice.tryinAsync()
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Try
webservice.CancelAsync(Nothing)
Catch ex As Exception
MessageBox.Show(ex.Message)
End Try
End Sub
Private Sub tryinAsyncComplete()
MessageBox.Show("Opération terminé")
End Sub
End Class |