Runs an object.
| LPBC lpbc
||//Pointer to binding context
Points to the binding context of the run operation. May be NULL.
The object was successfully placed in the running state.
Out of memory.
An unexpected error occurred.
Containers call IRunnableObject::Run
to force their objects to enter the running state. If the object is not
already running, calling IRunnableObject::Run
can be an expensive operation, on the order of many seconds. If the object is
already running, then this method has no effect on the object.
Notes to Callers
When called on a linked object that has been converted to a new class since
the link was last activated, IRunnableObject::Run
may return OLE_E_CLASSDIFF. In this case, the client should call IOleLink::BindToSource
is a helper function that conveniently repackages the functionality offered by IRunnableObject::Run
. With the release of OLE 2.01, the implementation of OleRun
was changed so that it calls QueryInterface
, asks for IRunnableObject
, and then calls IRunnableObject::Run
. In other words, you can use the interface and the helper function
Notes to Implementors
The object should register in the running object table if it has a moniker
assigned. The object should not hold any strong locks on itself; instead, it
should remain in the unstable, unlocked state. The object should be locked when the
first external connection is made to the object.
An embedded object must hold a lock on its embedding container while it is in
the running state. The Default handler provided by OLE 2 takes care of locking
the embedding container on behalf of objects implemented by an EXE object
application. Objects implemented by a DLL object application must explicitly put a
lock on their embedding containers, which they do by first calling IOleClientSite::Getcontainer
to get a pointer to the container, then calling IOleContainer::LockContainer
to actually place the lock. This lock must be released when IOleObject::Close
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