pub unsafe extern "system" fn WsReadEnvelopeStart(
    message: *const WS_MESSAGE,
    reader: *const WS_XML_READER,
    donecallback: WS_MESSAGE_DONE_CALLBACK,
    donecallbackstate: *const c_void,
    error: *const WS_ERROR
) -> HRESULT
Expand description

Required features: "Win32_Networking_WindowsWebServices"