function Format(const Format: string; const Args: array of const): string;
Formats the series of arguments in the open array Args. Formatting is controlled by the format string Format; the results are returned as a string.
An exception will be raised if an invalid format string is specified, too few arguments are passed, or if any arguments are of the wrong type.
var S: String; I: Integer; begin S := Format('%d files found', [10]); // S = '10 files found' S := Format('Filename: %s', ['file.txt']); // S = 'Filename: file.txt' I := 64; S := Format('%d in hex, padded to 8 digits: %.8x', [I, I]); // S = '64 in hex, padded to 8 digits: 00000040' end;