uuid(uuidval) Attribute [Automation]

uuidval

A 16-byte value using hexadecimal digits in the following format: 12345678-1234-1234-1234-123456789ABC.

Required for library, dispinterface, interface, and coclass. Optional but encouraged for struct, enum, union, module, and typedef.

None.

The uuidval value is returned in the TypeAttr structure retrieved by ITypeInfo::GetTypeAttr.

Concepts