BACnet.Explorer.Core.Controls.BACnetPanel._refresh C# (CSharp) Méthode

        private async void _refresh(object sender, EventArgs e)
        {
            if (_refreshing)
                return;

            try
            {
                var session = BACnetSession.Current;
                var host = session.GetProcess<Host>();
                var client = new Client.Client(host);

                await this.Refresh(client);

            }
            catch(BACnetException)
            {
            }
            catch(AggregateException)
            {
            }
            catch(Exception)
            {

            }
            finally
            {
                _refreshing = false;
            }
        }