C++基于CreateToolhelp32Snapshot获取系统进程实例

// GetWinProcess.cpp : 定义控制台应用程序的入口点。//#include "stdafx.h"#include <Windows.h>#include <TlHelp32.h>int _tmain(int argc, _TCHAR* argv[]){ HANDLE hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0); if (hProcessSnap == FALSE ) { printf("CreateToolhelp32Snapshot error"); return -1; } PROCESSENTRY32 pe32; pe32.dwSize = sizeof(PROCESSENTRY32);  BOOL bRet = Process32First(hProcessSnap, &pe32); while (bRet) { printf("[process name]:%ws/n", pe32.szExeFile); printf("[PID]:%d/n/n",pe32.th32ProcessID); bRet = Process32Next(hProcessSnap, &pe32); } ::CloseHandle(hProcessSnap); // 经常忘记这句 return 0;}