WINAPI C ++ Believe it is hard

"Возможно тут есть умные люди"
Есть код:

Spoiler

#include<Windows.h>
#include<string.h>


void MyMenu(HWND hWnd)
{
HMENU hMenu = CreateMenu();
AppendMenu(hMenu, MF_POPUP, 2, L"Close");
SetMenu(hWnd, hMenu);
}


int CALLBACK wWinMain(HINSTANCE hInstance, HINSTANCE, PWSTR szCmdLine, int nCmdShow)
{


static HWND hEdit;
MSG msg{};
HWND hwnd{};
WNDCLASSEX wc{ sizeof(WNDCLASSEX) };


wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.hbrBackground = reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));
wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
wc.hIcon = LoadIcon(nullptr, IDI_APPLICATION);
wc.hIconSm = LoadIcon(nullptr, IDI_APPLICATION);
wc.hInstance = hInstance;



wc.lpfnWndProc = [](HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)->LRESULT
{


switch (uMsg)
{
case WM_CREATE:
{
MyMenu(hWnd);
RECT rc{};
GetClientRect(hWnd, &rc);
hEdit = CreateWindow
(
L"eDit",
L"",
WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT | ES_MULTILINE,
0, 0, rc.right, rc.bottom, hWnd, reinterpret_cast<HMENU>(1337), nullptr, nullptr
);
return 0;
}
case WM_SIZE:
{
SetWindowPos(hEdit, nullptr, 0, 0, LOWORD(lParam), HIWORD(lParam), SWP_NOMOVE | SWP_NOZORDER| SWP_NOOWNERZORDER);
}
return 0;
case WM_DESTROY:
{
PostQuitMessage(EXIT_SUCCESS);

}
return 0;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
};


wc.lpszClassName = L"MyAppClass";
wc.lpszMenuName = nullptr;
wc.style = CS_VREDRAW | CS_HREDRAW;



if (!RegisterClassEx(&wc))
return EXIT_FAILURE;
if (hwnd = CreateWindow(wc.lpszClassName, L"Заголовок", WS_OVERLAPPEDWINDOW, 0, 0, 600, 600, nullptr, nullptr, wc.hInstance, nullptr); hwnd == INVALID_HANDLE_VALUE)
{
return EXIT_FAILURE;
}



ShowWindow(hwnd, nCmdShow);
UpdateWindow(hwnd);



while (GetMessage(&msg, nullptr, 0, 0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}



return static_cast<int>(msg.wParam);

}

Code

#include<Windows.h>

#include<string.h>





void MyMenu(HWND hWnd)

{

    HMENU hMenu = CreateMenu();

    AppendMenu(hMenu, MF_POPUP, 2, L"Close");

    SetMenu(hWnd, hMenu);

}





int CALLBACK wWinMain(HINSTANCE hInstance, HINSTANCE, PWSTR szCmdLine, int nCmdShow)

{





    static HWND hEdit;

    MSG msg{};

    HWND hwnd{};

    WNDCLASSEX wc{ sizeof(WNDCLASSEX) };





    wc.cbClsExtra = 0;

    wc.cbWndExtra = 0;

    wc.hbrBackground = reinterpret_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));

    wc.hCursor = LoadCursor(nullptr, IDC_ARROW);

    wc.hIcon = LoadIcon(nullptr, IDI_APPLICATION);

    wc.hIconSm = LoadIcon(nullptr, IDI_APPLICATION);

    wc.hInstance = hInstance;







    wc.lpfnWndProc = [](HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)->LRESULT

    {





        switch (uMsg)

        {

        case WM_CREATE:

        {

            MyMenu(hWnd);

            RECT rc{};

            GetClientRect(hWnd, &rc);

            hEdit = CreateWindow

            (

                L"eDit",

                L"",

                WS_CHILD | WS_VISIBLE | WS_BORDER | ES_LEFT | ES_MULTILINE,

                0, 0, rc.right, rc.bottom, hWnd, reinterpret_cast<HMENU>(1337), nullptr, nullptr

            );

            return 0;

        }

        case WM_SIZE:

        {

            SetWindowPos(hEdit, nullptr, 0, 0, LOWORD(lParam), HIWORD(lParam), SWP_NOMOVE | SWP_NOZORDER| SWP_NOOWNERZORDER);

        }

        return 0;

        case WM_DESTROY:

        {

            PostQuitMessage(EXIT_SUCCESS);



        }

        return 0;

        }

        return DefWindowProc(hWnd, uMsg, wParam, lParam);

    };





    wc.lpszClassName = L"MyAppClass";

    wc.lpszMenuName = nullptr;

    wc.style = CS_VREDRAW | CS_HREDRAW;







    if (!RegisterClassEx(&wc))

        return EXIT_FAILURE;

    if (hwnd = CreateWindow(wc.lpszClassName, L"Заголовок", WS_OVERLAPPEDWINDOW, 0, 0, 600, 600, nullptr, nullptr, wc.hInstance, nullptr);  hwnd == INVALID_HANDLE_VALUE)

    {

        return EXIT_FAILURE;

    }







    ShowWindow(hwnd, nCmdShow);

    UpdateWindow(hwnd);







    while (GetMessage(&msg, nullptr, 0, 0))

    {

        TranslateMessage(&msg);

        DispatchMessage(&msg);

    }







    return static_cast<int>(msg.wParam);



}

Необходимо вытащить текст из EditBox в .txt , буфер обмена, массив , переменную(на ваше усмотрение, но лучше конечно в буфер).
Читать документацию по Clipboard не предлагать.