IIUnknownStrategy.QueryInterface(Void*, Guid, Void*) Method
Definition
Important
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Performs a QueryInterface() for an IID on the unmanaged instance.
public:
int QueryInterface(void* instancePtr, Guid ^ iid, [Runtime::InteropServices::Out] void* % ppObj);
public int QueryInterface (void* instancePtr, in Guid iid, out void* ppObj);
abstract member QueryInterface : nativeptr<unit> * Guid * Void* -> int
Parameters
- instancePtr
- Void*
A pointer representing the unmanaged instance.
- iid
- Guid
The IID (Interface ID) to query for.
- ppObj
- Void*
The resulting interface.
Returns
An HRESULT that represents the success of the operation.
Applies to
See also
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