> However, given a declaration of that form, is it possible to define a > default parameter of [] so that OutputWriteF('Test, no params\n') is > valid?
Not for open arrays, but you can write an overloaded version without the open array argument that calls the version with the open array parameter passing an empty array, or an array initialised with whatever "default" values you want: interface procedure OutputWriteF(const str: widestring); overload; procedure OutputWriteF(const str: widestring; values: array of const); overload; implementation procedure OutputWriteF(const str: widestring); begin OutputWriteF(str, [clBlack, clDefault]); end; procedure OutputWriteF(const str: widestring; values: array of const); begin ... end; HTH Constantine. _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal