MQL5 ReferenceStandard LibraryGeneric Data CollectionsCHashSet<T>Add AddCountContainsComparerTrimExcessCopyToClearRemoveExceptWithIntersectWithSymmetricExceptWithUnionWithIsProperSubsetOfIsProperSupersetOfIsSubsetOfIsSupersetOfOverlapsSetEquals Add Adds an element to a set. bool Add( T value // the value of the element ); Parameters value [in] The value of the element to add. Return Value Returns true on successful, or false otherwise. CHashSet<T> Count