get_pid.cpp

#include "Windows.h"
#include "tchar.h"
#include "stdio.h"
#include "stdlib.h"

#include <string>

int _tmain(int argc, _TCHAR* argv[])
{
	STARTUPINFOA startup_info = { 0 };
	LPSTARTUPINFOA p_startup_info = &startup_info;
	PROCESS_INFORMATION proc_info = { 0 };
	LPPROCESS_INFORMATION p_proc_info = &proc_info;

	if (!CreateProcess(("C:\\WINDOWS\\system32\\calc.exe"),
		NULL,
		NULL,
		NULL,
		FALSE,
		0,
		NULL,
		"C:\\WINDOWS\\system32",
		p_startup_info,
		p_proc_info))
	{
		printf("Doh!\n");
	}
	else
	{
		DWORD PID = GetProcessId(p_proc_info->hProcess);
		printf("PID: %u\n", PID);
		std::string task_killer = std::string("taskkill /F /T /PID ") + std::to_string(PID);
		int result = system(task_killer.c_str());
		return result;
	}
	return -1;
}