QI_IDENTITY_MAPPING(Self,Base) (Compact 2013)
3/28/2014
This helper macro defines an interface map that implements the specified interface and adds the interface map of the specified base class to an XRObject<Base> object instance.
Syntax
void QI_IDENTITY_MAPPING(
Self,
Base)
Parameters
- Self
[in] The interface to implement for the XRObject<Base> object instance.
- Base
[in] A base class of the current object.
Return Value
None.
Remarks
You can use this helper macro in a custom class definition without having to define the BEGIN_QI_MAP and END_QI_MAP macros.
Example
The following example code adds ICustomUserControl to an interface map for ICustomUserControl, to use in calls to XRObject.QueryInterface(const IID&,void * *) on an XRObject<ICustomUserControl> object instance.
class __declspec(uuid("{2591F8EF-826E-43e8-BEBF-078E282327FA}")) ICustomUserControl:public XRCustomUserControlImpl<ICustomUserControl>
{
QI_IDENTITY_MAPPING(ICustomUserControl, XRCustomUserControlImpl)
public:
// Add class members here.
}
Requirements
Header |
XRUnknown.h |