C#

<br />
//Get the signal strength of the AP that the adapter is currently connected to<br />
        private void GetSignalStrength()<br />
        {<br />
            try<br />
            {<br />
                //Loop through all the AP nearby and find the one that is currently being connected (Associated)<br />
                if (currentAdapter.NearbyAccessPoints.Count > 0)<br />
                {                 <br />
                    foreach (AccessPoint ap in currentAdapter.NearbyAccessPoints)<br />
                    {<br />
                        if (ap.Name == currentAdapter.AssociatedAccessPoint)<br />
                        {<br />
                           this.DisplaySignalStrength(ap.SignalStrength.ToString());<br />
                           //Break out of for loop when the currently connected AP has been found.<br />
                           break;<br />
                        }<br />
                    }<br />
                }<br />
            }<br />
            catch (Exception ex)<br />
            {<br />
                MessageBox.Show(ex.Message);<br />
            }<br />
        }<br />
<br />
        //Display the signal strength by filling the bars depending on<br />
        //the strength of the access point.<br />
        private void DisplaySignalStrength(string strength)<br />
        {<br />
            this.pbExcellent.BackColor = Color.Transparent;<br />
            this.pbVeryGood.BackColor = Color.Transparent;<br />
            this.pbGood.BackColor = Color.Transparent;<br />
            this.pbLow.BackColor = Color.Transparent;<br />
            this.pbVeryLow.BackColor = Color.Transparent;<br />
<br />
            switch (strength)<br />
            {<br />
                case "Excellent":<br />
                    this.pbExcellent.BackColor = Color.Green;<br />
                    this.pbVeryGood.BackColor = Color.Green;<br />
                    this.pbGood.BackColor = Color.Green;<br />
                    this.pbLow.BackColor = Color.Green;<br />
                    this.pbVeryLow.BackColor = Color.Green;<br />
                    break;<br />
                case "Very Good":<br />
                    this.pbVeryGood.BackColor = Color.Green;<br />
                    this.pbGood.BackColor = Color.Green;<br />
                    this.pbLow.BackColor = Color.Green;<br />
                    this.pbVeryLow.BackColor = Color.Green;<br />
                    break;<br />
                case "Good":<br />
                    this.pbGood.BackColor = Color.Green;<br />
                    this.pbLow.BackColor = Color.Green;<br />
                    this.pbVeryLow.BackColor = Color.Green;<br />
                    break;<br />
                case "Low":<br />
                    this.pbLow.BackColor = Color.Green;<br />
                    this.pbVeryLow.BackColor = Color.Green;<br />
                    break;<br />
                case "Very Low":<br />
                    this.pbVeryLow.BackColor = Color.Green;<br />
                    break;<br />
                default:<br />
                    break;<br />
            }<br />
        }<br />
<br />
        //Check the signal strength every 1 second<br />
        private void tmrPollAP_Tick(object sender, EventArgs e)<br />
        {<br />
            this.GetSignalStrength();   <br />
        }<br />