<cTagName>
<cTagName> is a character string specifying the tag name of the index whose state <lSubIndex> is to be returned.
Function OrdIsSubIndex() Foundation
Checks if a order is a SubIndex order
Syntax
OrdIsSubIndex([<cTagName>|<nIndex>]) -> lSubIndexParameters
<nIndex>
<nIndex> is a positive integer specifying the ordinal position within the work area of the index whose state <lSubIndex> is to be returned.
Return
The return value is .T. (true) when the order is created as a subindex order, otherwise it is .F. (false). If no index file is open, the function returns F. (false). If no value is specified for <nIndex> or <cTagName> , the state of the controlling index is returned.
Description
The function OrdIsSubIndex() is used to check if an index is created with the SUBINDEX option of the INDEX command. A SubIndex is an index which contains a sub-set of records from the table of which the SubIndex is created for. The sub-set can be defined using Scopes, Filters or other another Index with a FOR or WHILE condition.
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