Atom ToString Function. The string representation of the Atom as it would appear in a PDF. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page ToString Function The string representation of the Atom as it would appear in a PDF. Syntax [C#]override string ToString()[Visual Basic]Overrides Function ToString() As String Params Name Description return The string representation of the object. Notes This function derives the content of the object as it will be inserted into the final PDF document. Note that the the string value of an object may be large and it may contain unusual characters. Example None. previous page start next page