| 
 | virtual | 
Called to fill progress bar of Breadcrumb Navigation Bar.
| dc | Specifies a device context. | 
| pControl | A pointer to Breadcrumb control. | 
| rectProgress | Specifies the bounding rectangle of the progress bar. | 
| rectChunk | A bounding rectangle of progress area. | 
| nValue | The progress value (0 - 100). |