R3枚举进程的方法——ToolHelp及PsApi

HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
if (hSnapshot == INVALID_HANDLE_VALUE)
{
	_tprintf(_T("CreateToolhelp32Snapshot Error\r\n"));
	return;
}
PROCESSENTRY32 processEntry;
processEntry.dwSize = sizeof(processEntry);

int count = 0; 
if (Process32First(hSnapshot, &processEntry))
{
	while (Process32Next(hSnapshot, &processEntry))
	{
		count++;
		_tprintf(_T("第%d个进程  进程ID:%d  进程名:%s\r\n"), count, processEntry.th32ProcessID, processEntry.szExeFile);
		
	}
	CloseHandle(hSnapshot);
}

DWORD dwProcessId[0x1000];
DWORD dwNeeded = 0;
DWORD dwProcessCount = 0;
TCHAR strProcessName[260];
if (!EnumProcesses(dwProcessId, sizeof(dwProcessId), &dwNeeded))
{
	DWORD Error = GetLastError();
	_tprintf(_T("EnumProcesses fail! Error:%d\r\n"),Error);
}
dwProcessCount = dwNeeded / sizeof(DWORD);
for (int i = 0; i < dwProcessCount; i++)
{
	HANDLE hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, dwProcessId[i]);
	if (hProcess != NULL)
	{
		GetProcessImageFileName(hProcess, strProcessName, sizeof(strProcessName));
		_tprintf(_T("进程%d的名称为:%s\r\n"),i, strProcessName);
	}
}