MQL5 ReferenceStandard LibraryGeneric Data CollectionsCStack<T>Contains AddCountContainsTrimExcessCopyToClearRemovePushPeekPop Contains Determines whether a stack 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 stack, or false otherwise. Count TrimExcess