Changes an embedded object from the running to the loaded state. Disconnects a
linked object from its link source.
| DWORD dwSaveOption
||//Indicates whether to save object before closing
[in] Indicates whether the object is to be saved as part of the transition to
the loaded state. Valid values are taken from the enumeration OLECLOSE
The OLE 2 user model recommends that object applications do not prompt users
before saving linked or embedded objects, including those activated in place.
This policy represents a change from the OLE 1 user model, in which object
applications always prompt the user to decide whether to save changes.
The object closed successfully.
The user was prompted to save but chose the Cancel button from the prompt
Notes to Callers
A container application calls IOleObject::Close
when it wants to move the object from a running to a loaded state. Following
such a call, the object still appears in its container but is not open for
editing. Calling IOleObject::Close
on an object that is loaded but not running has no effect. Closing a linked
object simply means disconnecting it.
Notes to Implementors
Upon receiving a call to IOleObject::Close
, a running object should do the following:
- If the object has been changed since it was last opened for editing, it should
request to be saved, or not, according to instructions specified in dwSaveOption. If the option is to save the object, then it should call its container's IOleClientSite::SaveObject interface.
- If the object has IDataObject::DAdvise connections with ADVF_DATAONSTOP flags, then it should send an OnDataChange
notification. See IDataObject::DAdvise for details.
- If the object currently owns the Clipboard, it should empty it by calling OleFlushClipboard.
- If the object is currently visible, notify its container by calling IOleClientSite::OnShowWindow with the fshow argument set to FALSE.
- Send IAdvise::OnClose notifications to appropriate advise sinks.
- Finally, forcibly cut off all remoting clients by calling CoDisconnectObject.
If the object application is a local server (an EXE rather than a DLL),
closing the object should also shut down the object application unless the latter is
supporting other running objects or has another reason to remain in the running
state. Such reasons might include the presence of IClassFactory::LockServer
locks, end-user control of the application, or the existence of other open
documents requiring access to the application.
on a linked object disconnects it from, but does not shut down, its source
application. A source application that is visible to the user when the object is
closed remains visible and running after the disconnection and does not send an OnClose
notification to the link container.
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