setGetPrinterSettingExDelegate

Syntax

- (void) setGetPrinterSettingExDelegate:(id<Epos2PrinterGetPrinterSettingExDelegate>)delegate;

Parameter

Protocol declaration

@protocol Epos2PtrGetPrinterSettingExDelegate <NSObject>
@required
- (void) onGetPrinterSettingEx:(Epos2Printer *)printerObj
code:(int)code jsonString:(NSString *)jsonString;
@end

Parameter

Supplementary explanation

• When this API is run multiple times, the callback method specified later takes effect.
• If nil is specified in delegate when calling this API, the registered callback method is canceled.
• If the code is other than EPOS2_CODE_SUCCESS, "" (blank character) is stored in jsonString.
• If the getPrinterSettingEx API is executed in a non-supported printer, EPOS2_CODE_SUCCESS is stored in code, and "" (blank character) is stored in jsonString.