NMembers Function

Format

i = nmembers(dictionary_name ʃmark_typeʅ);

Description

The nmembers function returns the number of cases selected by an operator during a selcase function call.

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:

mark_type	Description
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.

Return Value

The function returns the number of cases that are described by the mark_type query.

Example

while 1 do

selcase(OCCUPATION_DICT,"Plantation") multiple;

if nmembers(OCCUPATION_DICT) < 3 then
errmsg("You must select at least three options.");

else
break;

endif;

enddo;