async_uuid
Specifies the UUID that directs the MIDL compiler to define both synchronous and asynchronous versions of a COM interface.
[async_uuid (
uuid
)]
Parameters
- uuid
A UUID that identifies the version of the interface.
Remarks
The async_uuid C++ attribute has the same functionality as the async_uuid MIDL attribute.
Example
// cpp_attr_ref_async_uuid.cpp
// compile with: /LD
#include <Windows.h>
[module(name="Test")];
[object, uuid("9e66a290-4365-11d2-a997-00c04fa37ddb"),
async_uuid("e8583106-38fd-487e-912e-4fc8645c677e")]
__interface ICustom {
HRESULT Custom([in] long l, [out, retval] long *pLong);
};
Requirements
Attribute Context
Applies to |
interface |
Repeatable |
No |
Required attributes |
None |
Invalid attributes |
dual, dispinterface |
For more information about the attribute contexts, see Attribute Contexts.