Retrieves the background color of the quiet zone. 
- Note:
- Property background mode must be opaque in order to draw the quiet zone with the specified background color. 
- See also:
- BCSetQuietZoneColorRGB(), BCGetQuietZoneColorCMYK(), BCGetQuietZoneColorGDI(), BCGetQuietZoneColorGray(), BCSetBkMode() 
- Parameters:
- 
  
    | [in] | pBarcode | Pointer to barcode structure. |  | [in] | eZone | Flag that determines the quiet zone side. |  | [out] | pdRed | The red color component (range: 0.0 - 1.0) |  | [out] | pdGreen | The green color component (range: 0.0 - 1.0) |  | [out] | pdBlue | The blue color component (range: 0.0 - 1.0) |