Returns the value at index in the list of values in the list dialog item or list tag (in outline lists) identified by dlgitem in window. If index is invalid or if dlgitem does not refer to a dialog item or list tag (in outline lists), $ERROR is set and NULL is returned.

The window parameter is a window identifier. dlgitem is the value of the control's id attribute. The index parameter specifies the index into list on dlgitem.

Example

Returns the string "C" for the list used in the sample code for dlgitem_set_list_at.