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具体代码如下，大体解释一下原理就可以了，特别是那个lid是什么
void FindProcessesW2K()
{
bool bErrorOccured=false;
DWORD rc;
HKEY hKeyNames;
DWORD dwType;
DWORD dwSize;
LPBYTE buf = NULL;
TCHAR szSubKey[1024];
LANGID lid;
LPSTR p;
LPSTR p2;
PPERF_DATA_BLOCK pPerf;
PPERF_OBJECT_TYPE pObj;
PPERF_INSTANCE_DEFINITION pInst;
PPERF_COUNTER_BLOCK pCounter;
DWORD i;
TCHAR szProcessName[MAX_PATH];
DWORD dwLimit = 256;
DWORD dwNumTasks;
lid = MAKELANGID(LANG_ENGLISH, SUBLANG_NEUTRAL);
_stprintf( szSubKey, _T("%s\\%03x"), REGKEY_PERF, lid );
rc = RegOpenKeyEx( HKEY_LOCAL_MACHINE,
szSubKey,
0,
KEY_READ,
&hKeyNames
);
if (rc != ERROR_SUCCESS)
{
bErrorOccured=true;
m_strLastError=_T("Could not open performance registry key");
goto exit;
}
//
// get the buffer size for the counter names
//
rc = RegQueryValueEx(hKeyNames,
REGSUBKEY_COUNTERS,
NULL,
&dwType,
NULL,
&dwSize
);
if (rc != ERROR_SUCCESS)
{
bErrorOccured=true;
m_strLastError=_T("Could not open counter registry key");
goto exit;
}
//
// allocate the counter names buffer
//
buf = (LPBYTE) malloc(dwSize);
if (buf == NULL)
{
bErrorOccured=true;
m_strLastError=_T("Out of Memory");
goto exit;
}
memset(buf, 0, dwSize);
//
// read the counter names from the registry
//
rc = RegQueryValueEx( hKeyNames,
REGSUBKEY_COUNTERS,
NULL,
&dwType,
buf,
&dwSize
);
if (rc != ERROR_SUCCESS)
{
bErrorOccured=true;
m_strLastError=_T("Could Not Read the counter Names");
goto exit;
}
//
// now loop thru the counter names looking for the "Process" counters:
// the buffer contains multiple null terminated strings and then
// finally null terminated at the end. the strings are in pairs of
// counter number and counter name.
//
p =(LPSTR) buf;
while (*p)
{
if (p > (LPSTR)buf)
{
for( p2=p-2; _istdigit(*p2); p2--)
;
}
if (_tcsicmp(p, PROCESS_COUNTER) == 0)
{
// look backwards for the counter number
for(p2=p-2; _istdigit(*p2); p2--)
;
_tcscpy(szSubKey, p2+1);
}
p += (_tcslen(p) + 1);
}
// free the counter names buffer
free(buf);
// allocate the initial buffer for the performance data
dwSize = INITIAL_SIZE;
buf = (LPBYTE)malloc( dwSize );
if (buf == NULL)
{
bErrorOccured=true;
m_strLastError=_T("Out of Memory");
goto exit;
}
memset(buf, 0, dwSize);
while (true)
{
rc = RegQueryValueEx( HKEY_PERFORMANCE_DATA,
szSubKey,
NULL,
&dwType,
buf,
&dwSize
);
pPerf = (PPERF_DATA_BLOCK) buf;
// check for success and valid perf data block signature
if ((rc == ERROR_SUCCESS) &&
(dwSize > 0) &&
(pPerf)->Signature[0] == (WCHAR)P &&
(pPerf)->Signature[1] == (WCHAR)E &&
(pPerf)->Signature[2] == (WCHAR)R &&
(pPerf)->Signature[3] == (WCHAR)F )
{
break;
}
// if buffer is not big enough, reallocate and try again
if (rc == ERROR_MORE_DATA)
{
dwSize += EXTEND_SIZE;
buf = (LPBYTE)realloc( buf, dwSize );
memset( buf, 0, dwSize );
}
else
{
bErrorOccured=true;
m_strLastError=_T("Could Not Obtain Performance Data");
goto exit;
}
}
// set the perf_object_type pointer
pObj = (PPERF_OBJECT_TYPE) ((DWORD)pPerf + pPerf->HeaderLength);
dwNumTasks = min( dwLimit, (DWORD)pObj->NumInstances );
pInst = (PPERF_INSTANCE_DEFINITION) ((DWORD)pObj + pObj->DefinitionLength);
// loop thru the performance instance data extracting each process name
for (i=0; i<dwNumTasks; i++)
{
//
// pointer to the process name
//
p = (LPSTR) ((DWORD)pInst + pInst->NameOffset);
//
// convert it to ascii
//
rc = WideCharToMultiByte( CP_ACP,
0,
(LPCWSTR)p,
-1,
szProcessName,
sizeof(szProcessName),
NULL,
NULL
);
if (rc)
{
CString temp=szProcessName;
if(temp!="svchost")
m_strArray.Add(szProcessName);
}
// get the process id
pCounter = (PPERF_COUNTER_BLOCK) ((DWORD)pInst + pInst->ByteLength);
// next process
pInst = (PPERF_INSTANCE_DEFINITION) ((DWORD)pCounter + pCounter->ByteLength);
}
exit:
if (buf)
{
free(buf);
}
RegCloseKey(hKeyNames);
RegCloseKey(HKEY_PERFORMANCE_DATA);
return ;
}
use CWnd pWnd->AppName="";
进程列表里显示的是进程对应的文件名
应用程序列表里显示的是应用程序标题，标题没改，当然不会变
SetWindowText改一下
