高手来瞧瞧,到底哪个过程被调用?

高手来瞧瞧,到底哪个过程被调用? Delphi / Windows SDK/API
http://www.delphi2007.net/DelphiBase/html/delphi_20061209215840211.html
procedure   Confused(I:   Integer);   overload;  
        ...  
  procedure   Confused(I:   Integer;   J:   Integer   =   0);   overload;  
        ...  
  Confused(X);       //     Which   procedure   is   called?