defaultbind attribute
The [defaultbind] attribute indicates the single, bindable property that best represents the object.
[
interface-attribute-list
]
interface | dispinterface interface-name
{
[bindable, defaultbind [, attribute-list]] returntype function-name(params)
}
Parameters
-
interface-attribute-list
-
Specifies a list of one or more attributes that apply to the interface as a whole. When two or more interface attributes are present, they must be separated by commas.
-
interface-name
-
Specifies the name of the interface.
-
attribute-list
-
Specifies a list of one or more attributes that apply to the function. When two or more interface attributes are present, they must be separated by commas.
-
returntype
-
Specifies the return type of the function.
-
function-name
-
Specifies the name of the function to which the [defaultbind] attribute will be applied.
-
params
-
Function parameter list.
Remarks
Properties that have the [defaultbind] attribute must also have the [bindable] attribute. Only one property in an interface or dispinterface can have the [defaultbind] attribute.
This attribute is used by containers that have a user model involving binding to an object rather than binding to a property of an object. An object can support data binding but not have this attribute.
Flags
FUNCFLAG_FDEFAULTBIND, VARFLAG_FDEFAULTBIND
Examples
[
uuid(12345678-1234-1234-1234-123456789ABC)
]
interface MyObject : IUnknown
{
properties:
methods:
[id(1), propget, bindable,
defaultbind, displaybind] long Size(void);
[id(1), propput, bindable,
defaultbind, displaybind] HRESULT Size([in]long lSize);
}
See also