プログラマ専用SNS ミクプラ

コード:

#include	<Windows.h>
#include	<CommCtrl.h>
#pragma comment(lib, "comctl32")

LRESULT CALLBACK EditSubClassedProc (HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam, UINT_PTR uIdSubclass, DWORD_PTR dwRefData)
{
    if (uMsg == WM_CONTEXTMENU)
    {
        return 0;
    }
    if (uMsg == WM_DESTROY)
    {
        PostQuitMessage(0);
    }
    DefSubclassProc(hWnd, uMsg, wParam, lParam);
}

int WINAPI WinMain (HINSTANCE, HINSTANCE, LPSTR, int)
{
    HWND hWnd = CreateWindow(TEXT("EDIT"), TEXT("Test"), WS_OVERLAPPEDWINDOW | ES_MULTILINE,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, nullptr, nullptr, nullptr, 0);
    if (hWnd == nullptr)
    {
        return GetLastError();
    }

    if (!SetWindowSubclass(hWnd, EditSubClassedProc, 1, 0))
    {
        return GetLastError();
    }

    ShowWindow(hWnd, SW_SHOW);

    MSG msg;
    BOOL result;
    while ((result = GetMessage(&msg, nullptr, 0, 0)) != 0 && result != -1)
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    if (result == -1)
    {
        return GetLastError();
    }
    return msg.wParam;
}