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    Supports

    Check whether a class or given interface supports an interface.

    Declaration

    Source position: intfh.inc line 19

    function Supports(const Instance: IInterface; const AClass: TClass; 
                 out Obj) : Boolean;  overload; overload;

    function Supports(const Instance: IInterface; const IID: TGUID; 
                 out Intf) : Boolean;  overload; overload;

    function Supports(const Instance: TObject; const IID: TGUID; out Intf)
                  : Boolean;  overload; overload;

    function Supports(const Instance: TObject; const IID: Shortstring; 
                 out Intf) : Boolean;  overload; overload;

    function Supports(const Instance: IInterface; const AClass: TClass)
                  : Boolean;  overload; overload;

    function Supports(const Instance: IInterface; const IID: TGUID)
                  : Boolean;  overload; overload;

    function Supports(const Instance: TObject; const IID: TGUID) : Boolean
                 ;  overload; overload;

    function Supports(const Instance: TObject; const IID: Shortstring)
                  : Boolean;  overload; overload;

    function Supports(const AClass: TClass; const IID: TGUID) : Boolean
                 ;  overload; overload;

    function Supports(const AClass: TClass; const IID: Shortstring)
                  : Boolean;  overload; overload;

    Description

    Supports checks whether Instance supports the interface identified by IID. It returns True if it is supported, False. Optionally, a pointer to the interface is returned to Intf.

    Errors

    None.

    See also

    Name Description
    StringToGUID Convert a string to a native TGUID type.