ObjectControl interface (comsvcs.h)
If you implement this interface in your component, the COM+ run-time environment automatically calls its methods on your objects at the appropriate times. Only the COM+ run-time environment can invoke the ObjectControl methods; they are not accessible to an object's clients or to the object itself. If a client queries for the ObjectControl interface, QueryInterface returns E_NOINTERFACE.
ObjectControl and IObjectControl provide the same functionality, but unlike IObjectControl, ObjectControl is compatible with Automation.
Inheritance
The ObjectControl interface inherits from the IUnknown interface. ObjectControl also has these types of members:
Methods
The ObjectControl interface has these methods.
| ObjectControl::Activate Enables a COM+ object to perform context-specific initialization whenever it is activated. (ObjectControl.Activate) |
| ObjectControl::CanBePooled Indicates whether the object can be pooled for reuse when it is deactivated. |
| ObjectControl::Deactivate Enables a COM+ object to perform cleanup required before it is recycled or destroyed. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 2000 Professional [desktop apps only] |
| Minimum supported server | Windows 2000 Server [desktop apps only] |
| Target Platform | Windows |
| Header | comsvcs.h |