mfc 获取本地连接的收发字节数

[useready2]

mfc 如何获取本地连接的收发字节数
我用GetIfEntry()、 GetIfTable()中dwInOctets、dwOutOctets
得到的值和本地连接的收发字节数完全不一致
请问该如何统计呢？？？

[Gloveing]

#include <windows.h> 
#include <iphlpapi.h> 
#include <stdio.h> 

#pragma comment ( lib, "iphlpapi.lib" ) 



int main( void ) 
{ 
	MIB_IFTABLE *pIfTable = NULL; 
	ULONG dwSize = 0; 
	
	DWORD dwRet; 
	
	printf( "This program try to get the speed of a modem by 

using GetIfTable()\n" ); 
	
	dwRet = GetIfTable( pIfTable, &dwSize, TRUE ); 
	if ( dwRet == ERROR_INSUFFICIENT_BUFFER ) 
	{ 
		pIfTable = ( MIB_IFTABLE * ) new char[dwSize]; 
		
		if ( pIfTable != NULL ) 
		{ 
			dwRet = GetIfTable( pIfTable, &dwSize, 

TRUE ); 
			if ( dwRet == NO_ERROR ) 
			{ 
				printf( "dwNumEntries = %u\n", 

pIfTable->dwNumEntries ); 
				
				for ( int i=0; i<pIfTable-

>dwNumEntries; i++ ) 
				{ 
					printf( "table

[%1d].dwIndex = %u\n", 
						i, 
						(pIfTable->table

[i]).dwIndex ); 
					printf( " dwType = %u\n", 
						(pIfTable->table

[i]).dwType ); 
					printf( " dwSpeed = %u

\n", 
						(pIfTable->table

[i]).dwSpeed ); 
				} 
			} 
			else 
			{ 
				printf( "Some error occured!\n" 

); 
			} 
		} 
		else 
		{ 
			printf( "Memory allocate failue\n" ); 
		} 
	} 
	else 
	{ 
		printf( "Some error occured!\n" ); 
	} 
	
	getchar();
	return 0; 
}