MQL5 ReferenceStandard LibraryGeneric Data CollectionsCQueue<T>Contains AddEnqueueCountContainsTrimExcessCopyToClearRemoveDequeuePeek Contains Determines whether the queue contains an element with the specified value. bool Contains( T item // the search value ); Parameters item [in] The searched value. Return Value Returns true if an element with the specified value is found in the queue, or false otherwise. Count TrimExcess