Untitled

#include <windows.h>

// Declare the callback function for handling button clicks
LRESULT CALLBACK ButtonClickHandler(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
    if (msg == WM_COMMAND && LOWORD(wParam) == 1) {
        MessageBox(NULL, "Button clicked!", "Message", MB_OK);
    }
    return DefWindowProc(hwnd, msg, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow) {
    // Register the window class
    WNDCLASS wc = {0};
    wc.lpfnWndProc = ButtonClickHandler;
    wc.hInstance = hInstance;
    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
    wc.lpszClassName = "myWindowClass";
    RegisterClass(&wc);

    // Create the window
    HWND hwnd = CreateWindowEx(0, "myWindowClass", "My Window", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, 500, 500, NULL, NULL, hInstance, NULL);

    // Create a button and add it to the window
    HWND button = CreateWindow("BUTTON", "Click me!", WS_TABSTOP|WS_VISIBLE|WS_CHILD|BS_DEFPUSHBUTTON, 200, 200, 100, 30, hwnd, (HMENU)1, hInstance, NULL);

    // Show the window and start the message loop
    ShowWindow(hwnd, nCmdShow);
    MSG msg = {0};
    while (GetMessage(&msg, NULL, 0, 0)) {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }
    return 0;
}