IClassFactory
The
IClassFactory interface manages the creation of new objects. This interface is supported by
class objects associated with CLSIDs.
When to Implement
You must implement this interface for every object definition so objects of
that type can be created.
When to Use
Call the methods of this interface when creating new objects through a class
object. First, call the
CoGetClassObject API function to get an
IClassFactory interface pointer to the class object, and then call the
CreateInstance method to create an uninitialized object.
It is, however, not always necessary to go through this process to create an
object. To create a single uninitialized object, you can, instead, just call
CoCreateInstance. OLE also provides numerous helper functions (with names of the form
OleCreateXxx) to create compound document objects.
Methods in Vtable Order
IClassFactory Methods
| Description
|
CreateInstance
| Creates an uninitialized object.
|
LockServer
| Locks object application open in memory.
|
See Also
CoGetClassObject,
CoCreateInstance ,
OleCreate
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