COM

Module

Classes and functions to deal with COM components (i.e. ActiveX Controls and Automation).

Methods

Notes

Refer to the Microsoft COM documentation for full details on all classes, constants, structures, etc. used by COM.

Each class is described in its own section:

Name	Super Class	Description
IUnknown		The common interface supported by all COM objects
IDispatch	IUnknown	The common interface exposed by Automation servers
IEnumVARIANT	IUnknown	This interface provides a way to enumerate a collection of variants
IPicture	IUnknown	This interface manages a picture object and its properties. Get the details here.
COMException	RuntimeException	Raised when a COM exception is encountered

Class Constant	Description
S_OK	Result returned without error.
S_FALSE	Result returned with an error.

These constants can be passed as flags to the IDispatch.Invoke method:

Class Constant	Description
DISPATCH_METHOD	The member is invoked as a method. If a property has the same name, both this and the DISPATCH_PROPERTYGET flag may be set.
DISPATCH_PROPERTYGET	The member is retrieved as a property or data member.
DISPATCH_PROPERTYPUT	The member is changed as a property or data member.
DISPATCH_PROPERTYPUTREF	The member is changed by a reference assignment, rather than a value assignment. This flag is valid only when the property accepts a reference to an object.

Class Constant	Description
LOCALE_USER_DEFAULT	The user's default locale context in which to interpret arguments of IDispatch.Invoke.
SIZEOF_VARIANT	Returns the size of an OLE VARIANT.