OutgoingMessageCorrelationData Property
Used by the sender of the request message to identify which request the response message is for when it is received.
Syntax
ANSI (Cross Platform) char* GetOutgoingMessageCorrelationData(int iOutgoingMessageIndex); Unicode (Windows) LPWSTR GetOutgoingMessageCorrelationData(INT iOutgoingMessageIndex);
- (NSString*)outgoingMessageCorrelationData:(int)outgoingMessageIndex;
#define PID_MQTT_OUTGOINGMESSAGECORRELATIONDATA 30 IPWORKSMQ_EXTERNAL void* IPWORKSMQ_CALL IPWorksMQ_MQTT_Get(void *lpObj, int propid, int arridx, int *lpcbVal, int64 *lpllVal); IPWORKSMQ_EXTERNAL int IPWORKSMQ_CALL IPWorksMQ_MQTT_CheckIndex(void *lpObj, int propid, int arridx);
Default Value
""
Remarks
Used by the sender of the request message to identify which request the response message is for when it is received.
Valid only for MQTT 5.
The OutgoingMessageIndex parameter specifies the index of the item in the array. The size of the array is controlled by the OutgoingMessageCount property.
This property is read-only and not available at design time.
Data Type
String