| 
 | virtual | 
Draws ribbon slider's thumb.
Called by the framework to draw slider's thumb. Override this method in a derived class to customize appearance of slider's thumb.
| pDC | A pointer to a device context. | 
| pSlider | A pointer to slider. | 
| rect | A bounding rectangle of slider's thumb. | 
| bIsHighlighted | Thumb state. If TRUE, the thumb is highlighted. | 
| bIsPressed | Thumb state. If TRUE, the thumb is pressed. | 
| bIsDisabled | Thumb state. If TRUE, the thumb is disabled. |