diff --git a/WindowsMonitor/Monitor/MonitorApi.h b/WindowsMonitor/Monitor/MonitorApi.h
index 4a5269e9..191a0858 100644
--- a/WindowsMonitor/Monitor/MonitorApi.h
+++ b/WindowsMonitor/Monitor/MonitorApi.h
@@ -269,6 +269,15 @@ class MONITOR_API TCPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetSegmentsPerSecond(int idleTime);
+	static double GetConnectionsEstablished();
+	static double GetConnectionsActive();
+	static double GetConnectionsPassive();
+	static double GetConnectionFailures();
+	static double GetConnectionsReset();
+	static double GetSegmentsReceivedPerSecond(int idleTime);
+	static double GetSegmentsSentPerSecond(int idleTime);
+	static double GetSegmentsRetransmittedPerSecond(int idleTime);
 };
 
 class MONITOR_API TCPv6
diff --git a/WindowsMonitor/Monitor/TCPv4.cpp b/WindowsMonitor/Monitor/TCPv4.cpp
index c6edfb25..91ca2c3f 100644
--- a/WindowsMonitor/Monitor/TCPv4.cpp
+++ b/WindowsMonitor/Monitor/TCPv4.cpp
@@ -9,11 +9,82 @@ list<wstring> TCPv4::GetCounterList()
 }
 
 // Segments/sec
+double TCPv4::GetSegmentsPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Segments/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
 // Connections Established
+double TCPv4::GetConnectionsEstablished()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Connections Established";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
 // Connections Active
+double TCPv4::GetConnectionsActive()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Connections Active";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
 // Connections Passive
+double TCPv4::GetConnectionsPassive()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Connections Passive";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
 // Connection Failures
+double TCPv4::GetConnectionFailures()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Connection Failures";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
 // Connections Reset
+double TCPv4::GetConnectionsReset()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Connections Reset";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
 // Segments Received/sec
+double TCPv4::GetSegmentsReceivedPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Segments Received/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
 // Segments Sent/sec
-// Segments Retransmitted/sec
\ No newline at end of file
+double TCPv4::GetSegmentsSentPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Segments Sent/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
+// Segments Retransmitted/sec
+double TCPv4::GetSegmentsRetransmittedPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\TCPv4\\Segments Retransmitted/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
\ No newline at end of file
diff --git a/WindowsMonitor/Monitor/TCPv4.h b/WindowsMonitor/Monitor/TCPv4.h
index 67816c39..680b6919 100644
--- a/WindowsMonitor/Monitor/TCPv4.h
+++ b/WindowsMonitor/Monitor/TCPv4.h
@@ -8,4 +8,13 @@ class MONITOR_API TCPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetSegmentsPerSecond(int idleTime);
+	static double GetConnectionsEstablished();
+	static double GetConnectionsActive();
+	static double GetConnectionsPassive();
+	static double GetConnectionFailures();
+	static double GetConnectionsReset();
+	static double GetSegmentsReceivedPerSecond(int idleTime);
+	static double GetSegmentsSentPerSecond(int idleTime);
+	static double GetSegmentsRetransmittedPerSecond(int idleTime);
 };
\ No newline at end of file
diff --git a/WindowsMonitor/Native/MonitorApi.h b/WindowsMonitor/Native/MonitorApi.h
index 4a5269e9..191a0858 100644
--- a/WindowsMonitor/Native/MonitorApi.h
+++ b/WindowsMonitor/Native/MonitorApi.h
@@ -269,6 +269,15 @@ class MONITOR_API TCPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetSegmentsPerSecond(int idleTime);
+	static double GetConnectionsEstablished();
+	static double GetConnectionsActive();
+	static double GetConnectionsPassive();
+	static double GetConnectionFailures();
+	static double GetConnectionsReset();
+	static double GetSegmentsReceivedPerSecond(int idleTime);
+	static double GetSegmentsSentPerSecond(int idleTime);
+	static double GetSegmentsRetransmittedPerSecond(int idleTime);
 };
 
 class MONITOR_API TCPv6
diff --git a/WindowsMonitor/Test/MonitorApi.h b/WindowsMonitor/Test/MonitorApi.h
index 4a5269e9..191a0858 100644
--- a/WindowsMonitor/Test/MonitorApi.h
+++ b/WindowsMonitor/Test/MonitorApi.h
@@ -269,6 +269,15 @@ class MONITOR_API TCPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetSegmentsPerSecond(int idleTime);
+	static double GetConnectionsEstablished();
+	static double GetConnectionsActive();
+	static double GetConnectionsPassive();
+	static double GetConnectionFailures();
+	static double GetConnectionsReset();
+	static double GetSegmentsReceivedPerSecond(int idleTime);
+	static double GetSegmentsSentPerSecond(int idleTime);
+	static double GetSegmentsRetransmittedPerSecond(int idleTime);
 };
 
 class MONITOR_API TCPv6
diff --git a/WindowsMonitor/Test/Test.cpp b/WindowsMonitor/Test/Test.cpp
index f34cec5e..5febe814 100644
--- a/WindowsMonitor/Test/Test.cpp
+++ b/WindowsMonitor/Test/Test.cpp
@@ -2,7 +2,7 @@
 
 int _tmain(int argc, _TCHAR* argv[])
 {	
-	list<wstring> counterList=System::GetCounterList();
+	list<wstring> counterList=TCPv4::GetCounterList();
 	list<wstring>::iterator iter;
 	std::wcout.imbue(std::locale("chs"));
 	for(iter=counterList.begin();iter!=counterList.end();iter++)
@@ -11,7 +11,7 @@ int _tmain(int argc, _TCHAR* argv[])
 	}
 	while(1)
 	{
-		printf("%lf\n",System::GetRegistryQuotaInUsePercent());
+		printf("%lf\n",TCPv4::GetSegmentsRetransmittedPerSecond(1000));
 	}
 	return 0;
 }