• True if the sort was performed,
• False otherwise.

Name of TreeView Table control to use.

If this parameter is an integer, it corresponds to the subscript of parent containing the branch to sort.
If this parameter corresponds to NULL, the sort is performed on the "Root" elements.
If this parameter corresponds to a character string, it corresponds to the parent element containing the branch to sort.

Name of first column to sort (up to 16 columns). This parameter has the following format:
"[<Direction>]<Column name>" where:

• <Direction> (character) indicates the sort direction:
  • "+": ascending sort (by default),
  • "-": descending sort.
• <Column name> (character string): name of column to sort.

Name of the second column to sort (up to 16 columns). This parameter has the following format:
"[<Direction>]<Column name>" where:

• <Direction> (character) indicates the sort direction:
  • "+": ascending sort (by default),
  • "-": descending sort.
• <Column name> (character string): name of column to sort.

Name of the Nth column to sort (up to 16 columns). This parameter has the following format:
"[<Direction>]<Column name>" where:

• <Direction> (character) indicates the sort direction:
  • "+": ascending sort (by default),
  • "-": descending sort.
• <Column name> (character string): name of column to sort.