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.
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.

See also

Attributes by Usage