TextOperation TextOperation Function. TextOperation Constructor. ABCpdf .NET PDF Library. From ABCpdf .net previous page next page TextOperation Constructor TextOperation Constructor. Syntax [C#]TextOperation(Doc doc) [Visual Basic]Sub New(doc As Doc) may throw Exception() Params Name Description doc The PDF Document Notes Create a TextOperation for text analysis. If the doc is null then an exception will be raised. Example See the Group function. previous page start next page