Sets the content of the currently active text object (usually the human readable text). 
- Note:
- BCSetDisplayText can be used to override the human readable text which normally would contain the bar code content (only if the human readable text is currently active). 
- The currently active text object can be selected by calling BCSetActiveTextIndex(). 
- See also:
- BCGetDisplayText(), BCSetTextAlignment(), BCSetActiveTextIndex() 
- Parameters:
- 
  
    | [in] | pBarCode | Pointer to barcode structure. |  | [in] | szText | Display text (reset to default: null). |  
 
- Return values:
- 
  
    | ERRCODE | ErrOk (0) in case of success. Non-zero if error occurred. |