VC++.线程遍历1

#include <TlHelp32.h>
#include <vector>
BOOL TraversalThread1(OUT std::vector<THREADENTRY32> &vec)
{
	/************************************************************************/
	/*
	typedef struct tagTHREADENTRY32
	{
	DWORD   dwSize;
	DWORD   cntUsage;
	DWORD   th32ThreadID;       // this thread
	DWORD   th32OwnerProcessID; // Process this thread is associated with
	LONG    tpBasePri;
	LONG    tpDeltaPri;
	DWORD   dwFlags;
	} THREADENTRY32;
	*/
	/************************************************************************/
	vec.clear();
	try
	{
		HANDLE hSnap = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, 0);
		if (hSnap != INVALID_HANDLE_VALUE)
		{
			THREADENTRY32 item;
			item.dwSize = sizeof(item);
			if (Thread32First(hSnap, &item))
			{
				do
				{
					vec.push_back(item);
				} while (Thread32Next(hSnap, &item));
			}
			CloseHandle(hSnap);
		}
	}
	catch (...)
	{
		OutputDebugStringA(__FUNCTION__);
		return 0;
	}
	return vec.size() > 0;
}

int main()
{
	std::vector<THREADENTRY32> vec;
	std::cout << TraversalThread1(vec) << endl;
	for each (THREADENTRY32 var in vec)
	{
		printf("%08X %08X|%d", var.th32ThreadID, var.th32OwnerProcessID, var.th32OwnerProcessID);
		printf("\r\n");
	}

	return 0;
}