[转] 获取进程的主线程ID

#ifndef MAKEULONGLONG
#define MAKEULONGLONG(ldw, hdw) ((ULONGLONG(hdw) << 32) | ((ldw) & 0xFFFFFFFF))
#endif

#ifndef MAXULONGLONG
#define MAXULONGLONG ((ULONGLONG)~((ULONGLONG)0))
#endif

bool CloseProcessMainThread(DWORD dwProcID)
{
DWORD dwMainThreadID = 0;
ULONGLONG ullMinCreateTime = MAXULONGLONG;

HANDLE hThreadSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
if (hThreadSnap != INVALID_HANDLE_VALUE) {
THREADENTRY32 th32;
th32.dwSize = sizeof(THREADENTRY32);
BOOL bOK = TRUE;
for (bOK = Thread32First(hThreadSnap, &th32); bOK;
bOK = Thread32Next(hThreadSnap, &th32)) {
if (th32.th32OwnerProcessID == dwProcID) {
HANDLE hThread = OpenThread(THREAD_QUERY_INFORMATION,
TRUE, th32.th32ThreadID);
if (hThread) {
FILETIME afTimes[4] = {0};
if (GetThreadTimes(hThread,
&afTimes[0], &afTimes[1], &afTimes[2], &afTimes[3])) {
ULONGLONG ullTest = MAKEULONGLONG(afTimes[0].dwLowDateTime,
afTimes[0].dwHighDateTime);
if (ullTest && ullTest < ullMinCreateTime) {
ullMinCreateTime = ullTest;
dwMainThreadID = th32.th32ThreadID; // let it be main... :)
}
}
CloseHandle(hThread);
}
}
}
#ifndef UNDER_CE
CloseHandle(hThreadSnap);
#else
CloseToolhelp32Snapshot(hThreadSnap);
#endif
}

if (dwMainThreadID) {
PostThreadMessage(dwMainThreadID, WM_QUIT, 0, 0); // close your eyes...
}

return (0 != dwMainThreadID);
}

http://www.codeproject.com/Questions/78801/How-to-get-the-main-thread-ID-of-a-process-known-b[/code]