C + + process detection, discovery process path, shutdown process (ii)

The functions used in the previous chapter are complex, and this chapter uses the process ID number directly and uses the Getmodulefilenameex function to achieve process path acquisition.

#include "stdafx.h"

#include <windows.h>
#include "stdio.h"
#include <tlhelp32.h>
#include "Psapi.h"


int _tmain (int argc, _tchar* argv[])
{

int num=0;
TCHAR exe_name[20]=_t ("Notepad++.exe");//process name to query
TCHAR Pszfullpath[max_path];


PROCESSENTRY32 pe32;//structure for storing process information
HANDLE Hprocesssnap=::createtoolhelp32snapshot (th32cs_snapprocess,0);//Create a process snapshot


Pe32.dwsize=sizeof (PE32);


if (Hprocesssnap==invalid_handle_value)
{
printf ("CreateToolhelp32Snapshot failed!\n");
return-1;
}


BOOL bmore=::P rocess32first (HPROCESSSNAP,&AMP;PE32);//Get the first process information into the PE32 structure


while (bmore)
{
printf ("Name is:%ls\n", pe32.szexefile);


printf ("num is:%d\n", num);
printf ("ID is:%d\n", pe32.th32processid);


if (!_tcscmp (exe_name,pe32.szexefile))//Discovery to find the process after end lookup
{
printf ("Find the file you want:%ls\n", pe32.szexefile);
Break
}


num++;
Bmore=::P rocess32next (HPROCESSSNAP,&AMP;PE32);
}


if (!_tcscmp (exe_name,pe32.szexefile))
{

HANDLE hprocess = OpenProcess (PROCESS_ALL_ACCESS,FALSE,PE32.TH32PROCESSID);
TCHAR pbuffer[max_path+1];
Getmodulefilenameex (hprocess,null,pbuffer,max_path+1);//Use the Getmodulefilenameex function to get the process file path directly
printf ("File name is:%ls\n\n", pbuffer);


HANDLE hprocess=::openprocess (PROCESS_ALL_ACCESS,FALSE,PE32.TH32PROCESSID);
if (hprocess!=null)
{
:: TerminateProcess (hprocess,0);//Close process
printf ("I had close the process you choose!\n");
:: CloseHandle (hprocess);
}
}


CloseHandle (HPROCESSSNAP);


GetChar ();//Let the program have input at the end


return 0;


}

C + + process detection, discovery process path, shutdown process (ii)