constructor Create(
    AOwner: TComponent
); overload; reintroduce;

Create is an overloaded constructor reintroduced in TIdBaseComponent for all platfoms except .Net. 

Create is reintroduced to trap the condition where override constructors are used at compile time. This technique does not work in .Net, but we always test in VCL so this will catch it. 

Create calls the inherited constructor.