When trying to build program sgcHTTP2Client
This unit :
unit FHTTP2_Client;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, ComCtrls,
sgcIdHTTP, sgcHTTP, sgcHTTP2_Client, sgcBase_Classes, sgcTCP_Classes,
sgcTCP_Client, sgcHTTP2_Types, sgcIdAuthentication, sgcWebSocket_Classes,
sgcWebSocket_Classes_Indy, sgcWebSocket_Server, sgcWebSocket,
sgcBase_Helpers, sgcHTTP2_Frame, sgcWebSocket_Types, Menus, Threading,
sgcSocket_Classes;
ABSOLUTELY does specify "Threading" as a unit (second to last line of the USES specification).
I am a bit confused, I wont hide that :-)