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TYPEFLAGS
The TYPEFLAGS enumeration is defined as follows:
typedef enum tagTYPEFLAGS {
TYPEFLAG_FAPPOBJECT = 0x01
, TYPEFLAG_FCANCREATE = 0x02
, TYPEFLAG_FLICENSED = 0x04
, TYPEFLAG_FPREDECLID = 0x08
, TYPEFLAG_FHIDDEN = 0x10
, TYPEFLAG_FCONTROL = 0x20
, TYPEFLAG_FDUAL = 0x40
, TYPEFLAG_FNONEXTENSIBLE = 0x80
, TYPEFLAG_FOLEAUTOMATION = 0x100
} TYPEFLAGS;
Value
| Description
| TYPEFLAG_FAPPOBJECT
| A type description that describes an Application object.
| TYPEFLAG_FCANCREATE
| Instances of the type can be created by ITypeInfo::CreateInstance.
| TYPEFLAG_FLICENSED
| The type is licensed.
| TYPEFLAG_FPREDECLID
| The type is predefined. The client application should automatically create a
single instance of the object that has this attribute. The name of the variable
that points to the object is the same as the class name of the object.
| TYPEFLAG_FHIDDEN
| The type should not be displayed to browsers.
| TYPEFLAG_FCONTROL
| The type is a control from which other types will be derived, and should not
be displayed to users.
| TYPEFLAG_FDUAL
| The types in the interface derive from IDispatch and are fully compatible with OLE Automation. Not allowed on Dispatch interfaces.
| TYPEFLAG_FNONEXTENSIBLE
| The interface can't add members at run time.
| TYPEFLAG_FOLEAUTOMATION
| The types used in the interface are fully compatible with OLE, and may be
displayed in an object browser. Setting dual on an interface sets this flag in addition to TYPEFLAG_FDUAL. Not allowed on
dispinterfaces.
|
TYPEFLAG_FAPPOBJECT may be used on type descriptions with TypeKind =
TKIND_COCLASS, and indicates that the type description describes an Application object.
Members of the Application object are globally accessible in that the Bind method of the ITypeComp instance associated with the library binds to the members of an Application
object just as it does for type descriptions that have TypeKind = TKIND_MODULE.
The type description implicitly defines a global variable with the same name
and type as the type described by the type description. This variable is also
globally accessible. Specifically, when Bind is passed the name of an Application
object, a VARDESC is returned describing the implicit variable. The ID of the
implicitly created variable is always ID_DEFAULTINST.
When the CreateInstance function of an Application object type description is called, it uses GetActiveObject to retrieve the Application object. If GetActiveObject fails because the application is not running, then CreateInstance calls CoCreateInstance (which should start the application).
When TYPEFLAG_FCANCREATE is True, ITypeInfo::CreateInstance can create an instance of the type. Note that this is currently true only for
component object classes for which a GUID has been specified.
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