How to put wstring title in the LPCWSTR findwindow? Or how do I convert title?

#include <iostream>
#include <windows.h>
#include <string>
#include <vector>
#include <tlhelp32.h>
#include <sstream>
#include <stdlib.h>
#include <atlstr.h>
#include <locale>
#include <codecvt>

using namespace std;
DWORD ProcessId = 30850.352;
LPCWSTR pid;
LPWSTR widestr;
HWND hwnd;
bool isNotepad(const PROCESSENTRY32W& entry) {
	return std::wstring(entry.szExeFile) == L"simplewrapper.exe";
}

BOOL CALLBACK enumWindowsProc(HWND hwnd, LPARAM lParam) {
	const auto& pids = *reinterpret_cast<std::vector<dword>*>(lParam);

	
	std::string winId2;
	DWORD winId;
	GetWindowThreadProcessId(hwnd, &winId);

	//Converting DWORD to string
	std::string DwordToString(std::string winId2, std::string cur_str, DWORD winId);
	{
		std::string winId2 = std::to_string(long long(winId));
	
	}
	        for (DWORD pid : pids) { 
	        if (winId == pid) {
				std::wstring title(GetWindowTextLength(hwnd) + 1, L'\0');    <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
			GetWindowTextW(hwnd, &title[0], title.size()); //note: C++11 only

			std::cout << "Found window:\n";
			std::cout << "Process ID: " << pid << '\n';
			std::wcout << "Title: " << title << "\n\n";

			return 0;
	} 
	 }
	return TRUE;
}

int main(int argc, char** argv) {

	std::vector<dword> pids;

	HANDLE snap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);

	PROCESSENTRY32W entry;
	entry.dwSize = sizeof entry;

	if (!Process32FirstW(snap, &entry)) {
		return 0;
	}

	do {
		if (isNotepad(entry)) {
			pids.emplace_back(entry.th32ProcessID);
		}
	} while (Process32NextW(snap, &entry));

	EnumWindows(enumWindowsProc, reinterpret_cast<lparam>(&pids));
	int lpBuffer = 30000.000;

	hwnd = FindWindow(0, /*TEXT("MSCTFIME UI"*/ pid /*)*/);<<<<<<<<<<<<<<<<<<<<<
	if (hwnd == NULL) {

		cout << "Cannot find window." << endl;
	}
	else {
		cout << "Found window." << endl;
		GetWindowThreadProcessId(hwnd, &ProcessId);
		//HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, false, ProcessId);
	}
	if (HANDLE hProcess = OpenProcess(PROCESS_ALL_ACCESS, false, ProcessId)) {
		cout << "Opened Process." << endl;
		int MemoryHack = WriteProcessMemory(hProcess, (LPVOID)0x70EB2190, &lpBuffer, sizeof(lpBuffer), NULL);
		int MemoryHack2 = WriteProcessMemory(hProcess, (LPVOID)0x70EB2190, &lpBuffer, sizeof(lpBuffer), NULL);
		if (!MemoryHack) {
			cout << "Unable to write MemoryHack to memory" << endl;
		}
		else {
			cout << "Failed to OpenProcess." << endl;
		}
		CloseHandle(hProcess);
	}
	else {

	}
	return 0;
}