uidefault.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: uidefault	uidefault (C++ COM Attribute)	10/02/2018	vc-attr.uidefault	uidefault attribute	200de0e0-2e34-40a2-bae4-8d485a62264d

uidefault

Indicates that the type information member is the default member for display in the user interface.

Syntax

[uidefault]

Remarks

The uidefault C++ attribute has the same functionality as the uidefault MIDL attribute.

Example

The following code shows a sample of uidefault:

// cpp_attr_ref_uidefault.cpp
// compile with: /LD
#include "unknwn.h"
[module(name="MyLib")];

[object, uuid("9E66A290-4365-11D2-A997-00C04FA37DDB")]
__interface ICustom{
   HRESULT Custom([in] long l, [out, retval] long *pLong);
   [uidefault]HRESULT id0([in] long l);
   [uidefault]HRESULT id1([in] long l);

   [uidefault, propget] HRESULT get_y(int *y);
   [uidefault, propput] HRESULT put_y(int y);
};

Requirements

Attribute context	Value
Applies to	Interface method
Repeatable	No
Required attributes	None
Invalid attributes	None

For more information about the attribute contexts, see Attribute Contexts.

See also

IDL Attributes
Method Attributes