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title bindable (C++ COM Attribute) | Microsoft Docs
ms.custom
ms.date 10/02/2018
ms.technology
cpp-windows
ms.topic reference
f1_keywords
vc-attr.bindable
dev_langs
C++
helpviewer_keywords
bindable attribute
ms.assetid a2360f92-927b-4af8-98cc-6eca7f4ec954
author mikeblome
ms.author mblome
ms.workload
cplusplus
uwp

bindable

Indicates that the property supports data binding.

Syntax

[bindable]

Remarks

The bindable C++ attribute has the same functionality as the bindable MIDL attribute. You can use it on properties defined with the propget, propput, or propputref attributes, or you can manually define a bindable method.

The following MFC samples show the use of bindable:

Example

The following code shows how you can use bindable on a property:

// cpp_attr_ref_bindable.cpp
// compile with: /LD
#include <windows.h>
[
   uuid("479B29E3-9A2C-11D0-B696-00A0C903487A"), dispinterface, helpstring("property demo Interface")  
]
__interface IPropDemo : IDispatch {

   [propget, id(1), bindable, displaybind, defaultbind, requestedit] HRESULT P1([out, retval] long *nSize);
   [propput, id(1), bindable, displaybind, defaultbind, requestedit] HRESULT P1([in] long nSize);
   [id(3), bindable, propget] HRESULT Object([out, retval] IDispatch **ppObj);
   [id(3), bindable, propputref] HRESULT Object([in] IDispatch* pObj);
   [id(-552), helpstring("method AboutBox")] HRESULT AboutBox();
};

[ module(name="PropDemoLib", uuid="479B29E2-9A2C-11D0-B696-00A0C903487A", version="1.0", helpstring="property demo") ];

Requirements

Attribute Context
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
defaultbind
displaybind
immediatebind
requestedit