WFA_psychometric_chart.Form1_main.StartHardwareScan C# (CSharp) Method

        public void StartHardwareScan()
        {

            //This scan hardware will pull the data from the hardware and the weather station value.
            /*
            Steps : 1.calculate pull the data form the hardware and store it to the database .==>This will be node1
            2. Pull the data form the openweatherstation.org store the data to db ==>This will be node2 
            3. now plot these to nodes 
            4. Update the data of node one and node2 
            5. Replot the data again and agin in interval of 4 seconds.
            */
            //pulls the data form hardware
            //This is initial pulls 
            // ReadDataFromDevice();
            //  try { 
            //First time click the refresh...
            if (flagForTimer == 1)
            {
                atimer.Stop();
                atimer.Elapsed -= timer1_Tick_For_Device;
                atimer.Dispose();
                flagForTimer = 0;//This should not be done 
            }

            RefreshDataFromDeviceAndWeb();
            //AsyncMethod1ForPullingData();
            //initializes the timer
            InitTimerForDevice();
            //}catch(Exception ex)
            //{
            //    MessageBox.Show("error :"+ex.Message);
            //}


        }