gives the expression corresponding to the current selection in the specified notebook object.
gives the expression corresponding to the given cell or box object.
gives a list of expressions corresponding to the .
- NotebookRead is the basic way to get into the kernel pieces of notebooks that are being manipulated by the front end.
- NotebookRead can take a NotebookObject, CellObject, or BoxObject.
- If a list of CellObject or BoxObject expressions is given, then a list of equal length will be returned, with the expressions corresponding to each object.
- If an object is no longer valid, NotebookRead returns $Failed. If a list of objects is given, then $Failed will be returned for each of the invalid objects.