Atom FromString Function. Create an appropriate type of Atom from a raw PDF string representation. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page FromString Function Create an appropriate type of Atom from a raw PDF string representation. Syntax [C#] static Atom FromString(string value) [Visual Basic] Shared Function FromString(value As String) As Atom Params Name Description value The string representing the value of the object. return The resulting Atom. Notes The text you pass this function must be in native PDF format. This means that unusual characters in text strings must be appropriately escaped. For full details of the way that PDF objects are represented you should see the Adobe PDF Specification. Example None. previous page start next page