CellListener type describes a function that is used to listen to changes to a
getCellChange: GetCellChange | undefined,
A reference to the
The new value of the
The old value of the
GetCellChange | undefined
A function that returns information about any
This has no return value.
CellListener is provided when using the
addCellListener method. See that method for specific examples.
When called, a
CellListener is given a reference to the
Id of the
Table that changed, the
Id of the
Row that changed, and the
Cell that changed. It is also given the new value of the
Cell, the old value of the
Cell, and a
GetCellChange function that can be used to query
Cell values before and after the current transaction.
Note that if the listener was manually forced to be called (with the
callListener method rather than due to a real change in the
GetCellChange function will not be present and the new and old values of the
Cell will be the same.