对系统进程的一些操作!

这是简单对系统进程的一些操作，欢迎大家看看。
#include "stdafx.h"
#include <windows.h>
#include <tlhelp32.h>
int main(int argc, char* argv[])
{
//简单打开进程
/*STARTUPINFO si = {sizeof(si)};
PROCESS_INFORMATION pi;
char * szCommandLine = "notepad";
CreateProcess(NULL,szCommandLine,NULL,NULL,FALSE,NULL,NULL,NULL,&si,&pi);
*/

//打开进程，并且返回进程的信息
char szCommandLine[] = "cmd";
STARTUPINFO si = {sizeof(si)};
PROCESS_INFORMATION pi;
si.dwFlags = STARTF_USESHOWWINDOW;
si.wShowWindow = TRUE;
BOOL bRet = CreateProcess(NULL,szCommandLine,NULL,NULL,FALSE,CREATE_NEW_CONSOLE,NULL,NULL,&si,&pi);
if(bRet)
{
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
printf("新的进程ID：%d/n",pi.dwProcessId);
printf("新的主线程ID：%d/n",pi.dwThreadId);
}
//查看进程
PROCESSENTRY32 pe32;
pe32.dwSize=sizeof(pe32);
HANDLE hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if(hProcessSnap==INVALID_HANDLE_VALUE)
{
printf("CreateToolhelp32Snapshot 调用失败!/n" );
return -1;
}
BOOL bMore = Process32First(hProcessSnap,&pe32);
int i = 0;
while(bMore)
{
i++;
printf("进程名称 %s/n",pe32.szExeFile);
printf("进程ID号: %u/n/n",pe32.th32ProcessID);
bMore = Process32Next(hProcessSnap,&pe32);
}
printf("总进程数: %d/n",i);
CloseHandle(hProcessSnap);

//终止进程
/* DWORD dwId = 5252;

BOOL bRet = FALSE;
HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS,FALSE,dwId);
if(hProcess != NULL)
{
bRet = TerminateProcess(hProcess,0);
}
CloseHandle(hProcess);
if(bRet)
{
printf("终止进程成功/n");
}
else
{
printf("终止进程失败/n");
}*/
return 0;
}