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  4. startMonitor

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Parameters are refined by the selected printer.

startMonitor

Enables printer status event notification.

Acquires and updates the printer status at the interval specified with the interval property and returns it to the callback function registered by setStatusChangeEventDelegate.

Syntax

 
 
- (int) startMonitor;

Return value

Error status

Description

EPOS2_SUCCESS

The function was executed successfully.

EPOS2_ERR_ILLEGAL

This API was called while no communication had been started.

Supplementary explanation

  • Use this API after starting a communication with the printer (after executing the connect API).
  • This API is not executed on the main thread. Execute it on the sub-thread.
  • During ESC/POS control, any ASB information items which have been changed during the update interval specified by the interval property are reported.
    During ePOS-Device XML control, the ASB information at the time of update is reported.
 

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Epson ePOS SDK includes patented or patent pending functions. The contents must not be disclosed to third parties.


Epson ePOS SDK for iOS

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