InterfaceTraits::CanCastTo Method
The latest version of this topic can be found at InterfaceTraits::CanCastTo Method.
Supports the WRL infrastructure and is not intended to be used directly from your code.
Syntax
template<typename T>
static __forceinline bool CanCastTo(
_In_ T* ptr,
REFIID riid,
_Deref_out_ void **ppv
);
Parameters
ptr
The name of a pointer to a type.
riid
The interface ID of Base.
ppv
If this operation is successful, ppv points to the interface specified by Base. Otherwise, ppv is set to nullptr.
Return Value
true if this operation is successful and ptr is cast to a pointer to Base; otherwise, false .
Remarks
Indicates whether the specified pointer can be cast to a pointer to Base.
For more information about Base, see the Public Typedefs section in InterfaceTraits Structure.
Requirements
Header: implements.h
Namespace: Microsoft::WRL::Details