Gets the nesting level of the current table.
An integer that indicates how deep the table is inserted into others.
A table that has no nesting tables has a nesting level of 0.
The outermost table has a nesting level of 0. The nesting level of each successively nested table is one higher than the previous table.
Use the Table.ParentCell property to get access to a cell of an outer table containing the current table.