Plan1

#pragma comment(linker,"\"/manifestdependency:type='win32' \
name='Microsoft.Windows.Common-Controls' version='6.0.0.0' \
processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")

#include <windows.h>
#include <Winuser.h>



int CALLBACK wWinMain(HINSTANCE hInstance, HINSTANCE, PWSTR szCmdLine, int nCmdShow)
{
    MSG msg{};
    HWND hwnd{};
    WNDCLASSEX wc{ sizeof(WNDCLASSEX) };
    HBITMAP hBM;

    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:
            {
                //окно, которое необходимо окрасить
                HWND hButton = CreateWindow(
                    L"BUTTON",
                     nullptr,
                    WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON | SS_BITMAP,
                    20, 20, 100, 100, hWnd, reinterpret_cast<HMENU>(01), nullptr, nullptr
                );
                //инициализация окраски
                HBITMAP hBM = (HBITMAP)LoadImage(nullptr, MAKEINTRESOURCE(L"C://1111.bmp"), IMAGE_BITMAP, 0, 0, 0);
                SendMessage(hButton, BM_SETIMAGE, IMAGE_BITMAP, (LPARAM)hBM);


                HWND hButton1 = CreateWindow(
                    L"BUTTON",
                    nullptr,
                    WS_CHILD | WS_VISIBLE | BS_PUSHBUTTON,
                    140, 20, 100, 100, hWnd, reinterpret_cast<HMENU>(02), nullptr, nullptr
                );

            }
            return 0;

            case WM_COMMAND:
            {
                switch (LOWORD(wParam))
                {
                    case 01:
                    {

                    }
                    break;
                }
            }
            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"XXv0.1", WS_OVERLAPPEDWINDOW, 0, 0, 1366, 768, 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);

}