i = nmembers
function returns the number of cases selected by an operator during a selcase
The dictionary_name must be supplied and refers to an external dictionary associated with your application. An optional argument, mark_type, indicates what kinds of cases to process, and can be one of the following values:
|marked||Process only the cases selected by the operator during the selcase function call.|
|unmarked||Process the cases not selected by the operator.|
|all||Process all of the cases that could have been selected by the operator.|
If not specified, the mark_type defaults to marked.
The function returns the number of cases that are described by the mark_type query.