void ModbusChannel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)

      {

          if (!dgvrChannel.DataGridView.IsHandleCreated)

          {

              return;

          }

          if (dgvrChannel.DataGridView.InvokeRequired)

          {

              dgvrChannel.DataGridView.BeginInvoke(new PropertyChangedEventHandler(ModbusChannel_PropertyChanged), new object[] { sender, e });

          }

          else

          {

              dgvrChannel.Cells["ChannelValue"].Value = ModbusChannel.Value;

              //不应该再doevents,否则会死锁

              //Application.DoEvents();

          }

      }