Sets the size of the quiet-zones in given units. 
Specifies the size of the required quiet zone in the respective units. A quiet zone is an unprinted area above, below, right, or left of a barcode. 
- Note:
- If you specify the quiet zone in modules, the width of the quiet zone depends on the module width (respectively “narrow bar width X”). 
- Parameters:
- 
  
    | [in] | pBarCode | Pointer to barcode structure. |  | [in] | prQuietZone | Pointer to a rectangle that specifies the size of a quiet zone. |  | [in] | eQZUnit | The units in which the size of a quiet zone is given (valid units are: eMUDefault, eMUPixel, eMUMM, eMUMils, eMUInch, eMUModules). |  
 
- Return values:
- 
  
    | ERRCODE | ErrOk (0) in case of success. Non-zero if an error occurred. |  
 
- See also:
- BCGetQuietZone()