Represents a message line. In contrast to ErrorMarker, its structure is more detailed and can contain a collection of child lines, therefore forming a tree of message lines.
Properties and Methods
Properties to navigate the object model:
A single AppOutputLine consists of one or more sub-lines.
A sub-line consists of one or more cells.
Below an AppOutputLine there can be zero, one, or more child lines which themselves are of type AppOutputLine, which thus form a tree structure.
Child lines access: