DDETopic Class
The DDETopic class is turned off by default. For more information, see APIs Turned Off by Default. To grant access to this API, you must enable the Dynamic Data Exchange API configuration key (SysAPIDDE).
Syntax
class DDETopic extends Object
Run On
Client
Methods
Method | Description | |
---|---|---|
cancelTimeOut | Cancels a previous method call to the setTimeOut method. (Inherited from Object.) | |
connect | Is called when a client connects to the topic. | |
disconnect | ||
equal | Determines whether the specified object is equal to the current one. (Inherited from Object.) | |
execute | Is called when the server receives an execute command. This method can be used to execute commands. | |
finalize | ||
getTimeOutTimerHandle | Returns the timer handle for the object. (Inherited from Object.) | |
handle | Retrieves the handle of the class of the object. (Inherited from Object.) | |
new | Initializes a new instance of the Object class. (Overrides the new Method.) | |
notify | Releases the hold on an object that has called the wait method on this object. (Inherited from Object.) | |
notifyAll | Releases a lock on the object that was issued by the wait method on this object. (Inherited from Object.) | |
objectOnServer | Determines whether the object is on a server. (Inherited from Object.) | |
owner | Returns the instance that owns the object. (Inherited from Object.) | |
poke | Is called when the server receives a poke command. | |
request | Is called when the server receives a request command. | |
setTimeOut | Sets up the scheduled execution of a specified method. (Inherited from Object.) | |
status | States the result of the operation upon returning from one of the Dynamic Data Exchange (DDE) transactions. | |
toString | Returns a string that represents the current object. (Inherited from Object.) | |
usageCount | Returns the current number of references, that is, the value of the reference counter, that the object has. (Inherited from Object.) | |
wait | Pauses a process. (Inherited from Object.) | |
xml | Returns an XML string that represents the current object. (Inherited from Object.) |
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Remarks
You must derive a new class from this class. All the DDE server functionality is implemented in overloaded methods in the derived DDETopic class.
Inheritance Hierarchy
Object Class
DDETopic Class
ddeBase Class