ToolHelp 根据进程名 返回进程pid

#include <windows.h>#include <TLHELP32.H>#include <iostream>using namespace std;DWORD FindTargetProcess(LPCTSTR lpszProcess = NULL){DWORD dwRtn = 0;HANDLE hSnapShot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);PROCESSENTRY32 pe32;pe32.dwSize = sizeof(PROCESSENTRY32);Process32First(hSnapShot,&pe32);do {if(0 == lstrcmpi(pe32.szExeFile,lpszProcess)){dwRtn = pe32.th32ProcessID;break;}} while (Process32Next(hSnapShot,&pe32));CloseHandle(hSnapShot);return dwRtn;} void main(int argc,TCHAR*argv[]){DWORD dwProcessID = FindTargetProcess("hh.exe");cout<<dwProcessID<<endl;HANDLE hProcess = OpenProcess(PROCESS_CREATE_THREAD|PROCESS_VM_OPERATION|PROCESS_VM_WRITE,FALSE,dwProcessID);if(NULL == hProcess)cout<<"Open Fail"<<endl;}