Compiler attributes provide a variety of functionality.
| Attribute | Description |
|---|---|
| emitidl | Determines whether all subsequent IDL attributes will be processed and placed in the generated .idl file. |
| event_receiver | Creates an event receiver. |
| event_source | Creates an event source. |
| export | Causes a data structure to be placed in the .idl file. |
| implements | Specifies dispatch interfaces that are forced to be members of the IDL coclass. |
| importidl | Inserts the specified .idl file into the generated .idl file. |
| importlib | Makes types that have already been compiled into another type library available to the type library being created. |
| includelib | Causes an .idl or .h file to be included in the generated .idl file. |
| library_block | Places a construct inside the .idl file's library block. |
| no_injected_text | Prevents the compiler from injecting code as a result of attribute use. |
| satype | Specifies the data type of the SAFEARRAY. |
| version | Identifies a particular version among multiple versions of an interface or class. |