Gets the ID of the group to which the item belongs.
[Visual Basic] Function GetGroupID() As Integer [C#] int GetGroupID(); [C++] int GetGroupID(); [JScript] function GetGroupID(): int;
the ID value of the group to which the item belongs.
Group IDs are unique within the input. If the item belongs to no group, the ID is 0.
IFilterItem Interface | Okapi.Library.Filter Namespace | SetGroupID | SetLevel