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    VarSupports

    Check if a variant supports an interface.

    Declaration

    Source position: variants.pp line 122

    function VarSupports(const V: Variant; const IID: TGUID; out Intf)
                     : Boolean;

    function VarSupports(const V: Variant; const IID: TGUID) : Boolean;

    Description

    VarSupports checks if the variant V contains an interface (types Unknown, varDispatch) and the interface supports the specified interface IID. If it does, True is returned, False otherwise. If Intf is specified, and the variant supports the requested interface, the interface instance is returned in Intf.

    See also

    Name Description
    #rtl.sysutils.Supports Check whether a class or given interface supports an interface.