diff --git a/WindowsMonitor/Monitor/MonitorApi.h b/WindowsMonitor/Monitor/MonitorApi.h
index 0c20a385..a655eefa 100644
--- a/WindowsMonitor/Monitor/MonitorApi.h
+++ b/WindowsMonitor/Monitor/MonitorApi.h
@@ -299,6 +299,11 @@ class MONITOR_API UDPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetDatagramsPerSecond(int idleTime);
+	static double GetDatagramsReceivedPerSecond(int idleTime);
+	static double GetDatagramsNoPortPerSecond(int idleTime);
+	static double GetDatagramsReceivedErrors();
+	static double GetDatagramsSentPerSecond(int idleTime);
 };
 
 class MONITOR_API UDPv6
diff --git a/WindowsMonitor/Monitor/UDPv4.cpp b/WindowsMonitor/Monitor/UDPv4.cpp
index 1c57eee9..a3c27159 100644
--- a/WindowsMonitor/Monitor/UDPv4.cpp
+++ b/WindowsMonitor/Monitor/UDPv4.cpp
@@ -9,7 +9,46 @@ list<wstring> UDPv4::GetCounterList()
 }
 
 // Datagrams/sec
+double UDPv4::GetDatagramsPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\UDPv4\\Datagrams/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
 // Datagrams Received/sec
+double UDPv4::GetDatagramsReceivedPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\UDPv4\\Datagrams Received/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
 // Datagrams No Port/sec
+double UDPv4::GetDatagramsNoPortPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\UDPv4\\Datagrams No Port/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
+
 // Datagrams Received Errors
-// Datagrams Sent/sec
\ No newline at end of file
+double UDPv4::GetDatagramsReceivedErrors()
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\UDPv4\\Datagrams Received Errors";
+	double ret=Common::GetCounterValue(fullCounterPath.c_str());
+	return ret;
+}
+
+// Datagrams Sent/sec
+double UDPv4::GetDatagramsSentPerSecond(int idleTime)
+{
+	wstring fullCounterPath(L"");
+	fullCounterPath+=L"\\UDPv4\\Datagrams Sent/sec";
+	double ret=Common::GetCounterValueWithIdle(fullCounterPath.c_str(),idleTime);
+	return ret;
+}
diff --git a/WindowsMonitor/Monitor/UDPv4.h b/WindowsMonitor/Monitor/UDPv4.h
index 43e85043..a57e5221 100644
--- a/WindowsMonitor/Monitor/UDPv4.h
+++ b/WindowsMonitor/Monitor/UDPv4.h
@@ -8,4 +8,9 @@ class MONITOR_API UDPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetDatagramsPerSecond(int idleTime);
+	static double GetDatagramsReceivedPerSecond(int idleTime);
+	static double GetDatagramsNoPortPerSecond(int idleTime);
+	static double GetDatagramsReceivedErrors();
+	static double GetDatagramsSentPerSecond(int idleTime);
 };
\ No newline at end of file
diff --git a/WindowsMonitor/Native/MonitorApi.h b/WindowsMonitor/Native/MonitorApi.h
index 0c20a385..a655eefa 100644
--- a/WindowsMonitor/Native/MonitorApi.h
+++ b/WindowsMonitor/Native/MonitorApi.h
@@ -299,6 +299,11 @@ class MONITOR_API UDPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetDatagramsPerSecond(int idleTime);
+	static double GetDatagramsReceivedPerSecond(int idleTime);
+	static double GetDatagramsNoPortPerSecond(int idleTime);
+	static double GetDatagramsReceivedErrors();
+	static double GetDatagramsSentPerSecond(int idleTime);
 };
 
 class MONITOR_API UDPv6
diff --git a/WindowsMonitor/Test/MonitorApi.h b/WindowsMonitor/Test/MonitorApi.h
index 0c20a385..a655eefa 100644
--- a/WindowsMonitor/Test/MonitorApi.h
+++ b/WindowsMonitor/Test/MonitorApi.h
@@ -299,6 +299,11 @@ class MONITOR_API UDPv4
 {
 public:
 	static list<wstring> GetCounterList();
+	static double GetDatagramsPerSecond(int idleTime);
+	static double GetDatagramsReceivedPerSecond(int idleTime);
+	static double GetDatagramsNoPortPerSecond(int idleTime);
+	static double GetDatagramsReceivedErrors();
+	static double GetDatagramsSentPerSecond(int idleTime);
 };
 
 class MONITOR_API UDPv6
diff --git a/WindowsMonitor/Test/Test.cpp b/WindowsMonitor/Test/Test.cpp
index 4c75d02f..816ac339 100644
--- a/WindowsMonitor/Test/Test.cpp
+++ b/WindowsMonitor/Test/Test.cpp
@@ -2,7 +2,7 @@
 
 int _tmain(int argc, _TCHAR* argv[])
 {	
-	list<wstring> counterList=TCPv6::GetCounterList();
+	list<wstring> counterList=UDPv4::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",TCPv6::GetSegmentsRetransmittedPerSecond(1000));
+		printf("%lf\n",UDPv4::GetDatagramsSentPerSecond(1000));
 	}
 	return 0;
 }