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setReceiveEventDelegate
Registers a callback method for a response document reception event.
Syntax
- (void) setReceiveEventDelegate:(id<Epos2DispReceiveDelegate>)delegate; |
Parameter
delegate
Specifies an object conforming to the Epos2DispReceiveDelegate protocol.
Protocol declaration
@protocol Epos2DispReceiveDelegate <NSObject>
@required
- (void) onDispReceive:(Epos2LineDisplay *)displayObj code:(int)code;
@end |
Parameter
displayObj
The callback source object is stored.
code
The processing result is stored.
|
Error status |
Description |
|---|---|
|
EPOS2_SUCCESS |
Display completed. |
|
EPOS2_CODE_ERR_NOT_FOUND |
The device was not found. |
|
EPOS2_CODE_ERR_INVALID_WINDOW |
An unregistered window was specified. |
|
EPOS2_CODE_ERR_PORT |
An internal communication error with the device occurred. |
|
EPOS2_CODE_ERR_TIMEOUT |
A timeout error occurred during communication with the device. |
|
EPOS2_CODE_ERR_TOO_MANY_REQUESTS |
The number of display data sent to the display has exceeded the allowable limit. |
|
EPOS2_CODE_ERR_AUTORECOVER |
Automatic recovery error occurred. |
|
EPOS2_CODE_ERR_COVER_OPEN |
Cover open error occurred. |
|
EPOS2_CODE_ERR_CUTTER |
Auto cutter error occurred. |
|
EPOS2_CODE_ERR_MECHANICAL: |
Mechanical error occurred. |
|
EPOS2_CODE_ERR_EMPTY |
No paper is left in the roll paper end detector. |
|
EPOS2_CODE_ERR_UNRECOVERABLE |
Unrecoverable error occurred. |
|
EPOS2_CODE_ERR_BATTERY_LOW |
Battery has run out. |
|
EPOS2_CODE_ERR_FAILURE |
An unknown error occurred. |
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.
- When a communication error occurs during ePOS-Device XML control, communication disconnection
is not notified.
To notify the disconnection event, implement the setConnectionEventDelegate.
Quick Access
- Syntax
- Parameter
- Protocol declaration
- Parameter
- Supplementary explanation
- Introduction
- help
- Epos2LineDisplay class
- initWithDisplayModel
- connect
- disconnect
- getStatus
- sendData
- clearCommandBuffer
- addInitialize
- addCreateWindow
- addDestroyWindow
- addSetCurrentWindow
- addClearCurrentWindow
- addCreateScreen
- addCreateScreenCustom
- addCreateTextArea
- addDestroyTextArea
- addSetCurrentTextArea
- addClearCurrentTextArea
- addSetCursorPosition
- addMoveCursorPosition
- addSetCursorType
- addText
- addReverseText
- addMarqueeText
- addSetBlink
- addSetBrightness
- addBackgroundColor
- addStartSlideShow
- addStopSlideShow
- addDownloadImage
- addRegisterDownloadImage
- addNVImage
- addClearImage
- addSymbol
- addClearSymbol
- addShowClock
- addCommand
- setReceiveEventDelegate
