Queries the underlying data model implementation for a description of a given column.
That description is returned in the form of a Column structure, which contains all the information about the given column in the data model.
WARNING: the returned Column object belongs to the this model and and should not be destroyed; any modification will affect the whole data model.
| this |
a DataModel object. |
| col |
column number. |
|
the description of the column. |