.NET (Core and Framework)

Private Sub EliminaN_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles EliminaN.Click
           dr = MessageBox.Show("Do you want Delete notification?", "Delete Notification", MessageBoxButtons.YesNo, New System.EventHandler(AddressOf MsgBoxRet))
       End Sub

       Private Sub MsgBoxRet(ByVal sender As Object, ByVal e As System.EventArgs)


           If dr = DialogResult.Yes Then
               Delete()

           End If
       End Sub