Stores a pointer to the specified object under the specified key in the bind
context's string-keyed table of pointers. The method calls IUnknown::AddRef
on the stored pointer.
| LPOLESTR pszKey,
||//Points to the key to be used
| IUnknown *punk
||//Points to the object to be associated with the key
[in] Points to a zero-terminated string containing the key under which the
object is being registered. For Win32 applications, the LPOLESTR
type indicates a wide character string (two bytes per character); otherwise,
the string has one byte per character. Key string comparsion is case sensitive.
[in] Points to the object that is to be registered.
The pointer was successfully registered under the specified string.
Indicates insufficient memory.
A bind context maintains a table of interface pointers, each associated with a
string key. This enables communication between a moniker implementation and
the caller that initiated the binding operation. One party can store an interface
pointer under a string known to both parties so that the other party can later
retrieve it from the bind context.
Binding operations subsequent to the use of this method can use the IBindCtx::GetObjectParam
method to retrieve the stored pointer.
Notes to Callers
You can call IBindCtx::RegisterObjectParam
if you are either a moniker implementor or a sophisticated moniker client.
If you're a moniker implementor and an error occurs during moniker binding,
you can use one of the keys predefined by OLE to inform the caller of the cause
of an error. The following list describes the keys associated with various error
If a binding operation exceeds its deadline because a given object is not
running, then you should register the object's moniker using the first unused key
from the list: "ExceededDeadline", "ExceededDeadline1", "ExceededDeadline2",
etc. If the caller later finds the moniker in the Running Object Table, the caller
can retry the binding operation.
The "ConnectManually" key indicates a moniker whose binding requires
assistance from the end user. The caller can retry the binding operation after showing
the moniker's display name to request that the end user manually connect to the
object. The most common reasons for returning this value are that a password is
needed or that a floppy needs to be mounted.
The "ClassNotFound" key indicates a moniker whose class could not be found
(i.e., the server for the object identified by this moniker could not be located).
If this key is used in an OLE compound-document situation, the caller can use IMoniker::BindToStorage
to bind to the object, and then try to carry out a Treat As... or Convert
To... operation to associate the object with a different server. If this is
successful, the caller can retry the binding operation.
If you're a moniker client with detailed knowledge of the implementation of
the moniker you're using, you can also call this method to pass private
information to that implementation.
You can define new strings as keys for storing pointers. By convention, you
should use key names that begin with the string form of the CLSID of the moniker
class (see the StringFromCLSID
If the pszKey
parameter matches the name of an existing key in the bind context's table,
the new object replaces the existing object in the table.
When you register an object using this method, the object is not released
until one of the following occurs:
- It is replaced in the table by another object with the same key.
- It is removed from the table by a call to IBindCtx::RevokeObjectParam.
- The bind context is released. All registered objects are released when the
bind context is released.
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