LPCVOID HINSTANCE .... so-called non-standard types can also be used in the COM interface.

I saw an interface method provided by MS today.

HRESULT StartProgressDialog

HWnd

HWndParent,

Iunknown *

PunkenableModless,

DWORD

DWFlags,

LPCVOID

PVReServed

);

I feel somewhat strange. When I defined myself, I definitely compiled an error. Open Win2K SRC. It is really like this to use new cxxx again. Safecast.