Class Attributes

The following attributes apply to the class C++ keyword.

Attribute	Description
aggregatable	Indicates that the class supports aggregation.
aggregates	Indicates that a control aggregates the target class.
appobject	Identifies the coclass as an application object, which is associated with a full .exe application, and indicates that the functions and properties of the coclass are globally available in this type library.
case	Used with the switch_type attribute in a union.
coclass	Creates an ActiveX control.
com_interface_entry	Adds an interface entry to a COM map.
control	Specifies that the user-defined type is a control.
custom	Lets you define your own attribute.
db_command	Creates an OLE DB command.
db_param	Associates the specified member variable with an input or output parameter and delimits the variable.
db_source	Creates a connection to a data source.
db_table	Opens an OLE DB table.
default	Indicates that the custom or dispinterface defined within a coclass represents the default programmability interface.
defaultvtable	Defines an interface as the default vtable interface for a control.
event_receiver	Creates an event receiver.
event_source	Creates an event source.
helpcontext	Specifies a context ID that lets the user view information about this element in the Help file.
helpfile	Sets the name of the Help file for a type library.
helpstringcontext	Specifies the ID of a help topic in an .hlp or .chm file.
helpstring	Specifies a character string that is used to describe the element to which it applies.
hidden	Indicates that the item exists but should not be displayed in a user-oriented browser.
implements	Specifies dispatch interfaces that are forced to be members of the IDL coclass.
implements_category	Specifies implemented component categories for the class.
module	Defines the library block in the .idl file.
noncreatable	Defines an object that cannot be instantiated by itself.
perf_object	Adds performance monitor object support to a class.
perfmon	Adds performance monitor support to a class.
progid	Defines the ProgID for a control.
registration_script	Executes the specified registration script.
requestedit	Indicates that the property supports the OnRequestEdit notification.
source	Specifies the control's source interfaces for connection points on a class. On a property or method, the source attribute indicates that the member returns an object or VARIANT that is a source of events.
support_error_info	Supports error reporting for the target object.
threading	Specifies the threading model for a control.
uuid	Specifies the unique ID for a class or interface.
version	Identifies a particular version among multiple versions of a class.
vi_progid	Specifies a version-independent form of the ProgID.

См. также

Основные понятия

Attributes by Usage