[out] !!!49!!!** ppvObj

[Charltsing]

load excel.tlb (dumped in excel.exe)

click dispinterface _Application --> QueryInterface is ok
then,
click sub-branch methods -->
methods:
[restricted]
void _stdcall QueryInterface(
[in] GUID* riid,
[out] ?49?** ppvObj --> wrong
);

then,
click dispinterface _Application --> QueryInterface --> [out] ?49?** ppvObj

---

maybe something is wrong in TypeDesc.cs
pd = Marshal.PtrToStructure<System.Runtime.InteropServices.ComTypes.TYPEDESC>(desc.lpValue);
pd.vt sometimes is wrong!