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public interface DdeClientEventHandler
This is an interface for processing DDE client events.
Method Summary | |
---|---|
void |
asyncActionComplete(DdeItem item,
byte[] data,
long transactionID)
Occurs when an asynchronous transaction is processed by the service. |
void |
disconnect(boolean sameApplication)
Occurs on disconnect. |
void |
error(int errorCode)
Fires when a critical error occurs. |
DdeResponse |
itemChanged(DdeItem item,
byte[] data)
Occurs when data of the item is changed. |
void |
serviceRegister(java.lang.String service,
java.lang.String instanceName)
Occurs when a service is registered. |
void |
serviceUnregister(java.lang.String service,
java.lang.String instanceName)
Occurs when a service is unregistered. |
Method Detail |
---|
void error(int errorCode)
errorCode
- is the error code.DdeResponse itemChanged(DdeItem item, byte[] data)
item
- specifies the item name and data format.data
- if on starting an advise loop the sendData
argument was set to true
,
then the data
contains a new value of the item data; otherwise, this argument is
null
.
DdeItem
,
DdeResponse
void asyncActionComplete(DdeItem item, byte[] data, long transactionID)
item
- specifies the item name and data format.data
- if the transaction manipulates data, then the data
contains the value of
the item. If the transaction failed, the data
is null
.transactionID
- is an asyncronous transaction identifier.void disconnect(boolean sameApplication)
sameApplication
- specifies if the client and the service are the same application.void serviceRegister(java.lang.String service, java.lang.String instanceName)
service
- is the basic name of the service.instanceName
- is an instance-specific service name.void serviceUnregister(java.lang.String service, java.lang.String instanceName)
service
- is the basic name of the service.instanceName
- is an instance-specific service name.
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