/// <summary>
/// This method validates that the given weak reference is alive.
/// 1. IWeakReference->Resolve method returns the target's interface for the mapping IID passed to it.
/// 2. If the object is not alive it returns null.
/// 2. From the returned interface we get or create a new RCW and return it.
/// </summary>
/// <returns></returns>
internal unsafe object Resolve()
{
IntPtr pInspectable;
__com_IWeakReference *pComIWeakReference = (__com_IWeakReference *)m_pComWeakRef;
Guid inspectableIID = Interop.COM.IID_IInspectable;
int result = CalliIntrinsics.StdCall__int(
pComIWeakReference->pVtable->pfnResolve,
m_pComWeakRef,
&inspectableIID,
&pInspectable);
if (result >= 0 && pInspectable != IntPtr.Zero)
{
try
{
return(McgMarshal.IInspectableToObject(pInspectable));
}
finally
{
// Release the pInspectable.
McgMarshal.ComRelease(pInspectable);
}
}
return(null);
}