Creates an embedded object identified by a CLSID. You use it typically to
implement the menu item that allows the end user to insert a new object.
| REFCLSID rclsid,
||//CLSID of embedded object to be created
| REFIID riid,
||//Interface used to communicate with new object
| DWORD renderopt,
||//RENDEROPT value indicating cached capabilities
| FORMATETC * pFormatEtc,
||//FORMATETC value, depending upon RENDEROPT value
| IOleClientSite * pClientSite,
||//Client site pointer to request services from the container
| IStorage * pStg,
||//IStorage instance to be used as storage for the object
| void ** ppvObject
||//On return, pointer to new object
Specifies the CLSID of the embedded object that is to be created.
Identifies the interface, usually IID_IOleObject
, through which the caller will communicate with the new object.
A value from the enumeration OLERENDER
, indicating the locally cached drawing capabilities the newly created object
is to have. The OLERENDER
value chosen affects the possible values for the pFormatEtc
Depending on which of the OLERENDER
flags is used as the value of renderopt
, may be one of the FORMATETC
enumeration values. Refer to the OLERENDER
enumeration for restrictions. This parameter, along with the renderopt
parameter, specifies what the new object can cache initially.
Points to an instance of IOleClientSite
, the primary interface through which the object will request services from
its container. Value may be NULL.
Points to an instance of the IStorage
interface to be used as the storage for the object. This parameter may not be
Upon successful return, receives a pointer to the interface requested in riid
on the newly created object.
Indicates embedded object created successfully.
Indicates embedded object cannot be created due to lack of memory.
function creates a new embedded object, and is typically called to implement
the menu item Insert New Object.
returns, the object it has created is blank (contains no data), unless renderopt
is OLERENDER_DRAW or OLERENDER_FORMAT, and is loaded. Containers typically
then call the OleRun
function or IOleObject::DoVerb
to show the object for initial editing.
parameter specifies the CLSID of the requested object. CLSIDs of registered
objects are stored in the registry. When an application user selects Insert
Object, a selection box allows the user to select the type of object desired from
those in the system registry. When OleCreate
is used to implement the Insert Object menu item, the CLSID associated with
the selected item is assigned to the rclsid
parameter of OleCreate
parameter specifies the interface the client will use to communicate with the
new object. Upon successful return, the ppvObject
parameter holds a pointer to the requested interface.
The created object's cache contains information that allows a presentation of
a contained object when the container is opened. Information about what should
be cached is passed in the renderopt
values. When OleCreate
returns, the created object's cache is not necessarily filled. Instead, the
cache is filled the first time the object enters the running state. The caller
can add additional cache control with a call to IOleCache::Cache
after the return of OleCreate
and before the object is run. If renderopt
is OLERENDER_DRAW or OLERENDER_FORMAT, OleCreate
requires that the object support the IOleCache
interface. There is no such requirement for any other value of renderopt
is non-NULL, OleCreate
with the pClientSite
is the primary interface by which an object requests services from its
is NULL, you must make a specific call to IOleObject::SetClientSite
before attempting any operations.
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