public override unsafe int TryAs <U>(Guid iid, out ObjectReference <U> objRef)
{
objRef = null;
int hr = VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr);
if (hr >= 0)
{
if (IsAggregated)
{
Marshal.Release(thatPtr);
}
AddRefFromTrackerSource();
using (var contextCallbackReference = ObjectReference <ABI.WinRT.Interop.IContextCallback.Vftbl> .FromAbi(_contextCallbackPtr))
{
objRef = new ObjectReferenceWithContext <U>(thatPtr, contextCallbackReference.GetRef())
{
IsAggregated = IsAggregated,
PreventReleaseOnDispose = IsAggregated,
ReferenceTrackerPtr = ReferenceTrackerPtr
};
}
}
return(hr);
}
public override unsafe int TryAs <U>(Guid iid, out ObjectReference <U> objRef)
{
objRef = null;
int hr = VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr);
if (hr >= 0)
{
using (var contextCallbackReference = ObjectReference <ABI.WinRT.Interop.IContextCallback.Vftbl> .FromAbi(_contextCallbackPtr))
{
objRef = new ObjectReferenceWithContext <U>(thatPtr, contextCallbackReference.GetRef());
}
}
return(hr);
}
public override unsafe int TryAs <U>(Guid iid, out ObjectReference <U> objRef)
{
objRef = null;
int hr = VftblIUnknown.QueryInterface(ThisPtr, ref iid, out IntPtr thatPtr);
if (hr >= 0)
{
if (IsAggregated)
{
Marshal.Release(thatPtr);
}
AddRefFromTrackerSource();
objRef = new ObjectReferenceWithContext <U>(thatPtr, Context.GetContextCallback(), Context.GetContextToken(), _agileReference, iid)
{
IsAggregated = IsAggregated,
PreventReleaseOnDispose = IsAggregated,
ReferenceTrackerPtr = ReferenceTrackerPtr
};
}
return(hr);
}