XRObject.QueryInterface(const IID&,void * *) (Compact 7)
3/12/2014
This method obtains a specific type of interface pointer to the XRObject<Base> object.
Syntax
HRESULT QueryInterface(
const IID @ riid,
void * * ppvObj)
Parameters
- riid
[in] Identifier of the interface that you are requesting.
- ppvObj
[out] Pointer to the interface requested in the rIID parameter.
Return Value
The following table shows the possible return values.
| Value | Description |
|---|---|
S_OK |
The method succeeded. |
E_FAIL |
The method was not successful. |
E_POINTER |
The ppvObj parameter is not valid. |
Remarks
This method implements functionality that resembles IUnknown::QueryInterface.
Requirements
Header |
XRUnknown.h |