Untitled

#include <windows.h>

class Widget 
{
  LRESULT CALLBACK Procedure(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
  {
      switch(msg)
      {
        case WM_DESTROY:
          PostQuitMessage(0);
          break;
      }

    return DefWindowProcW(hwnd, msg, wParam, lParam);
  }

  public:
    Widget()
    {
      WNDCLASSEXW wc = {0};
      wc.cbSize = sizeof(WNDCLASSEXW);
      wc.lpszClassName = L"Widget";
      wc.hbrBackground = GetSysColorBrush(COLOR_3DFACE);
      wc.lpfnWndProc   = Procedure;
      wc.hCursor       = LoadCursor(0, IDC_ARROW);

      RegisterClassExW(&wc);

      CreateWindowExW(NULL, wc.lpszClassName, L"Windows",
                  WS_OVERLAPPEDWINDOW | WS_VISIBLE,
                  0,0, 640, 360, NULL, NULL, NULL, NULL);  
    }
};

int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
                    PWSTR lpCmdLine, int nCmdShow) {
    MSG  msg;

    Widget widget;    

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

    return (int) msg.wParam;
}