Enum which describes the property background image location.
| Enumerator | 
|---|
| BACKGR_TILE | The background image tiles the property page's client area.  | 
| BACKGR_TOPLEFT | The background image is located at top-left corner.  | 
| BACKGR_TOPRIGHT | The background image is located at top-right corner.  | 
| BACKGR_BOTTOMLEFT | The background image is located at bottom-left corner.  | 
| BACKGR_BOTTOMRIGHT | The background image is located at bottom-right corner.  |