From ff1020905c53dff65634a7f33a763a5b2f5d8af6 Mon Sep 17 00:00:00 2001
From: Tema <tsul@mail.ru>
Date: Fri, 4 Mar 2016 07:05:42 +0300
Subject: [PATCH] Fixed Reader.cardDetectTask cancellation in the
 StopCardEvents(): it had hung while in the Visual Studio debugger.

---
 Smartcard_API/GemCard/Reader.cs | 27 +++++++++------------------
 1 file changed, 9 insertions(+), 18 deletions(-)

diff --git a/Smartcard_API/GemCard/Reader.cs b/Smartcard_API/GemCard/Reader.cs
index 472506b..9a9ead3 100644
--- a/Smartcard_API/GemCard/Reader.cs
+++ b/Smartcard_API/GemCard/Reader.cs
@@ -142,31 +142,22 @@ public void StopCardEvents()
 #else
             if (cardDetectTask != null)
             {
-                bool stopped = false;
-
                 if (cardDetectTask.Status == TaskStatus.Running)
                 {
                     cancellationTokenSource.Cancel();
 
-                    do
+                    try
                     {
-                        Thread.SpinWait(20000);
-
-                        if (cardDetectTask.Status == TaskStatus.Canceled)
-                        {
-                            stopped = true;
-                        }
-
-                        if (cardDetectTask.Status == TaskStatus.RanToCompletion)
-                        {
-                            stopped = true;
-                        }
+                        cardDetectTask.Wait();
+                    }
+                    catch
+                    {
+                        if (!cardDetectTask.IsCanceled)
+                            throw;
                     }
-                    while (!stopped);
-
-                    cardDetectTask.Dispose();
-                    cardDetectTask = null;
                 }
+                cardDetectTask.Dispose();
+                cardDetectTask = null;
             }
 #endif
         }