pub unsafe extern "system" fn OpenTnefStreamEx(
    lpvsupport: *mut c_void,
    lpstream: IStream,
    lpszstreamname: *const i8,
    ulflags: u32,
    lpmessage: IMessage,
    wkeyval: u16,
    lpadressbook: IAddrBook,
    lpptnef: *mut ITnef
) -> HRESULT
Expand description

Required features: ‘Win32_Devices_Tapi’, ‘Win32_System_AddressBook’, ‘Win32_System_Com’