| 
 | virtual | 
Draws application bar border.
This function is called by the framework when it needs to draw a border around an application bar. Override it in a derived class in order to customize appearance of application bar controls.
| pDC | A pointer to a device context of application bar control. | 
| pAppBarWnd | A pointer to application bar control whose border should be drawn. | 
| rectBorder | Border's bounding rectangle. | 
| rectBorderSize | Border size. |