Source: dataset/matrix/matrix_dataset__menu.pro
matrix_dataset::menu GUI to define a matrix dataset. Usage: dsref -> menu Keywords: group long The widget ID of a group leader for the widget modal If set the widget is modal (used when it's called from the constructor). History: Original: 16/6/00; SJT Add "Process" option: 23/10/00; SJT Hourglass on display: 8/3/01; SJT Modify pulldown menu: 16/11/01; SJT Support markers: 5/6/02; SJT Add screen dump: 15/7/02; SJT Replace findfile calls: 15/4/03; SJT