Bug fix : 6x try / catch to resolve crashes caused by GemCard, etc., ver. 3.1.1805

TBF/UI/Shared/LoginDlgWithBenchSelection.cs

@@ -4,6 +4,7 @@
 using System;
 using System.Drawing;
 using System.Windows.Forms;
+using log4net;
 using Common;
 using GemCard;
 using TBF.Resources;
@@ -17,6 +18,8 @@ namespace TBF.UI.Shared
     /// </summary>
     public partial class LoginDlgWithBenchSelection : Form
     {
+        private static readonly ILog log = LogManager.GetLogger(typeof(LoginDlgWithBenchSelection));
+
         public const string UseTheTagPassword = "UseTheTag0293578";
 
         /// Private fields
@@ -108,10 +111,16 @@ namespace TBF.UI.Shared
                 string[] cardReaders = card.ListReaders();
                 if (cardReaders != null)
                 {
+                    foreach (var crd in cardReaders)
+                    {
+                        log.WarnFormat("SMART card reader found: {0}", crd);
+                    }
+
                     foreach (var crd in cardReaders)
                     {
                         if (crd.Contains("NFC"))
                         {
+                            log.ErrorFormat("SMART card reader selected: {0}", crd);
                             smartCardReader = crd;  /// NFC smart card reader detected
                             break;
                         }
@@ -241,14 +250,22 @@ namespace TBF.UI.Shared
 
         void OnCardInserted(object sender, CardInsertedEventArgs args)
         {
-            BackColor = Color.Green;
-            card.Connect(smartCardReader, SHARE.Shared, PROTOCOL.T0orT1);
+            string tag = string.Empty;
+            try
+            {
+                BackColor = Color.Green;
+                card.Connect(smartCardReader, SHARE.Shared, PROTOCOL.T0orT1);
 
-            /// Read the serial number of the card
-            APDUResponse response = card.Transmit(new APDUCommand(0xFF, 0xCA, 0x00, 0x00, null, 7));
-            string tag = response.ToString();
+                /// Read the serial number of the card
+                APDUResponse response = card.Transmit(new APDUCommand(0xFF, 0xCA, 0x00, 0x00, null, 7));
+                tag = response.ToString();
 
-            card.Disconnect(DISCONNECT.Leave);
+                card.Disconnect(DISCONNECT.Leave);
+            }
+            catch
+            {
+                tag = string.Empty;
+            }
 
             if (testBenchComboBox.SelectedItem != null)
             {
@@ -281,7 +298,8 @@ namespace TBF.UI.Shared
         {
             if (!string.IsNullOrEmpty(smartCardReader))
             {
-                card.StopCardEvents();
+                try { card.StopCardEvents(); }
+                catch { }
             }
         }
     }