The nonclient area of a window can include a title bar, window menu, minimize and maximize buttons, sizing border, and horizontal and vertical scroll bars. An application can create a window with one or more of these components by specifying the following styles in the CreateWindowEx function.
| Style | Description |
|---|---|
| WS_CAPTION | Creates a window that has a title bar (includes the WS_BORDER style). |
| WS_HSCROLL | Creates a window that has a horizontal scroll bar. |
| WS_MAXIMIZEBOX | Creates a window that has a maximize button. Cannot be combined with the WS_EX_CONTEXTHELP style. |
| WS_MINIMIZEBOX | Creates a window that has a minimize button. Cannot be combined with the WS_EX_CONTEXTHELP style. |
| WS_SYSMENU | Creates a window that has a window-menu in its title bar. The WS_CAPTION style must also be specified. |
| WS_VSCROLL | Creates a window that has a vertical scroll bar. |