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NF:oleidl.IOleItemContainer.GetObject |
IOleItemContainer::GetObject (oleidl.h) |
Retrieves a pointer to the specified object. |
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com\ioleitemcontainer_getobject.htm |
com |
08569037-7ecd-4e63-9f94-c2552c327800 |
12/05/2018 |
GetObject, GetObject method [COM], GetObject method [COM],IOleItemContainer interface, IOleItemContainer interface [COM],GetObject method, IOleItemContainer.GetObject, IOleItemContainer::GetObject, _com_ioleitemcontainer_getobject, com.ioleitemcontainer_getobject, oleidl/IOleItemContainer::GetObject |
oleidl.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
OleIdl.idl |
Windows |
19H1 |
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Retrieves a pointer to the specified object.
The container's name for the requested object.
Indicates approximately how long the caller will wait to get the object. Possible values are taken from the enumeration BINDSPEED.
A pointer to the IBindCtx interface on the bind context object to be used in this binding operation. The bind context caches objects bound during the binding process, contains parameters that apply to all operations using the bind context, and provides the means by which the binding implementation should retrieve information about its environment.
A reference to the identifier of the interface pointer requested.
Address of the pointer variable that receives the interface pointer requested in riid. Upon successful return, *ppvObject contains the requested interface pointer to the object named by pszItem. When successful, the implementation must call AddRef on the *ppvObject; it is the caller's responsibility to call Release. If an error occurs, the implementation sets *ppvObject to NULL.
This method can return the standard return value E_OUTOFMEMORY, as well as the following values.
| Return code | Description |
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The method completed successfully. |
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The binding operation could not be completed within the time limit specified by the bind context's BIND_OPTS structure, or with the speed indicated by the dwSpeedNeeded parameter. |
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The parameter pszItem does not identify an object in this container. |
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The requested interface was not available. |
The item moniker implementation of IMoniker::BindToObject calls this method, passing the name stored within the item moniker as the pszItem parameter.
Your implementation of IOleItemContainer::GetObject should first determine whether pszItem is a valid name for one of the container's objects. If not, you should return MK_E_NOOBJECT.If pszItem names an embedded or linked object, your implementation must check the value of the dwSpeedNeeded parameter. If the value is BINDSPEED_IMMEDIATE and the object is not yet loaded, you should return MK_E_EXCEEDEDDEADLINE. If the object is loaded, your implementation should determine whether the object is running (for example, by calling the OleIsRunning function). If it is not running and the dwSpeedNeeded value is BINDSPEED_MODERATE, your implementation should return MK_E_EXCEEDEDDEADLINE. If the object is not running and dwSpeedNeeded is BINDSPEED_INDEFINITE, your implementation should call the OleRun function to put the object in the running state. Then it can query the object for the requested interface. Note that it is important the object be running before you query for the interface.
If pszItem names a pseudo-object, your implementation can ignore the dwSpeedNeeded parameter because a pseudo-object is running whenever its container is running. In this case, your implementation can simply query for the requested interface.
If you need more specific information about the time limit than is given by dwSpeedNeeded, you can call IBindCtx::GetBindOptions on the pbc parameter to get the actual deadline parameter.