From Tracker Software PDF SDK
Revision as of 02:50, 15 June 2015 by Dsbot (Automatic page editing by robot)
Use it to check if control is the listener of specified event.
HRESULT IsEventListening([in] BSTR sEventID, [out, retval] VARIANT_BOOL* bEnabled);
- [in] The unique identifier of event.
- [out, retval] Returns the true value when control is listening of the event is and false otherwise.
Returns S_OK if operation was successful or error code in other cases.