Returns the user-defined data associated with the list entry row in the outline list listtag in window. If dlgitem contains no list or row is out of range of the list, the function returns an empty string. If the function fails, it returns a NULL.

The window parameter is a window identifier. The listtag parameter is an outline list list tag (case sensitive). The row parameter is an offset into listtag (starting from one).

Example

Gets the user-defined data associated with the third item in the outline list item Hierarchy.