TStack<T> Class
Represents a last-in, first-out (LIFO) collection of items.
Spring.TInterfacedObjectEx
Spring.Collections.Base.TEnumerableBase
Spring.Collections.Base.TEnumerableBase<T>
Spring.Collections.Stacks.TStack<T>
Spring.Collections.Stacks.TObjectStack<T>
type TStack<T> = class(TEnumerableBase<T>, IStack<T>, INotifyCollectionChanged<T>) end;
Type Parameters
- T
- Specifies the type of elements in the stack.
The TStack<T> type exposes the following members.
| Name | Description | |
|---|---|---|
 | Create | Overloaded. Initializes a new instance of the TStack<T> class. (Overrides TEnumerableBase<T>.Create.) |
| Create(IComparer) | Overloaded. Initializes a new instance of the TEnumerableBase<T> class. (Inherited from TEnumerableBase<T>.) |
| Create(IEnumerable<T>) | Overloaded. Initializes a new instance of the TStack<T> class. |
| Create(TComparison) | Overloaded. Initializes a new instance of the TEnumerableBase<T> class. (Inherited from TEnumerableBase<T>.) |
| Create(T[]) | Overloaded. Initializes a new instance of the TStack<T> class. |
| Destroy | Represents the destructor of the TStack<T> class. |
| Name | Description | |
|---|---|---|
 | Capacity | Represents property |
 | Comparer | Gets the assigned comparer. If not comparer was assigned it returns the default comparer. (Inherited from TEnumerableBase<T>.) |
| Count | Returns the number of elements in a countable. (Inherited from TEnumerableBase.) |
| ElementType | Returns the type of the elements in the sequence. (Inherited from TEnumerableBase.) |
 | EqualityComparer | Represents property |
| IsEmpty | Determines whether a countable contains no elements. (Inherited from TEnumerableBase.) |
| OnChanged | Represents property |
| RefCount | Represents property |
| Name | Description | |
|---|---|---|
| Aggregate(TFunc) | Applies an accumulator function over a sequence. (Inherited from TEnumerableBase<T>.) |
| All(TPredicate<T>) | Determines whether all elements of a sequence satisfy a condition. (Inherited from TEnumerableBase<T>.) |
| Any(TPredicate<T>) | Overloaded. Determines whether any element of a sequence satisfies a condition. (Inherited from TEnumerableBase<T>.) |
| AsObject | Returns the reference to this instance. (Inherited from TEnumerableBase.) |
| BeforeDestruction | Represents method |
 | Changed(T,TCollectionChangedAction) | Represents method |
| Clear | Removes all elements from the stack. |
| Concat(IEnumerable<T>) | Represents method |
| Contains(T) | Overloaded. Determines whether a sequence contains a specified element by using the default equality comparer. (Inherited from TEnumerableBase<T>.) |
| Contains(T,IEqualityComparer) | Overloaded. Determines whether a sequence contains a specified element by using a specified IEqualityComparer<T>. (Inherited from TEnumerableBase<T>.) |
| Contains(T,TEqualityComparison) | Overloaded. Represents method |
| ElementAt(Integer) | Returns the element at a specified index in a sequence. (Inherited from TEnumerableBase<T>.) |
| ElementAtOrDefault(Integer) | Overloaded. Returns the element at a specified index in a sequence or a default value if the index is out of range. (Inherited from TEnumerableBase<T>.) |
| ElementAtOrDefault(Integer,T) | Overloaded. Returns the element at a specified index in a sequence or the specified default value if the index is out of range. (Inherited from TEnumerableBase<T>.) |
| EqualsTo(IEnumerable<T>) | Overloaded. Represents method |
| EqualsTo(IEnumerable<T>,IEqualityComparer) | Overloaded. Represents method |
| EqualsTo(T[]) | Overloaded. Determines whether two sequences are equal by comparing the elements by using the default equality comparer for their type. (Inherited from TEnumerableBase<T>.) |
| Extract | Removes and returns the element at the top of the stack without considering ownership. |
| First | Overloaded. Returns the first element of a sequence. (Inherited from TEnumerableBase<T>.) |
| First(TPredicate<T>) | Overloaded. Returns the first element in a sequence that satisfies a specified condition. (Inherited from TEnumerableBase<T>.) |
| FirstOrDefault | Overloaded. Returns the first element of a sequence, or a default value if the sequence contains no elements. (Inherited from TEnumerableBase<T>.) |
| FirstOrDefault(T) | Overloaded. Returns the first element of a sequence, or the specified default value if the sequence contains no elements. (Inherited from TEnumerableBase<T>.) |
| FirstOrDefault(TPredicate<T>) | Overloaded. Returns the first element of the sequence that satisfies a condition or a default value if no such element is found. (Inherited from TEnumerableBase<T>.) |
| FirstOrDefault(TPredicate<T>,T) | Overloaded. Returns the first element of the sequence that satisfies a condition or the specified default value if no such element is found. (Inherited from TEnumerableBase<T>.) |
| ForEach(TAction<T>) | Overloaded. Performs the specified action on each element of a sequence. (Inherited from TEnumerableBase<T>.) |
| GetCapacity | Represents method |
| GetComparer | Returns the specified comparer for this instance. (Inherited from TEnumerableBase<T>.) |
| GetCount | Represents method |
| GetElementType | Represents method |
| GetEnumerator | Returns an enumerator that iterates through the collection. (Overrides TEnumerableBase<T>.GetEnumerator.) |
| GetEqualityComparer | Represents method |
| GetIsEmpty | Represents method |
| GetOnChanged | Represents method |
 | Grow | Represents method |
| IncreaseVersion | Represents method |
| Last | Overloaded. Returns the last element of a sequence. (Inherited from TEnumerableBase<T>.) |
| Last(TPredicate<T>) | Overloaded. Returns the last element of a sequence that satisfies a specified condition. (Inherited from TEnumerableBase<T>.) |
| LastOrDefault | Overloaded. Returns the last element of a sequence, or a default value if the sequence contains no elements. (Inherited from TEnumerableBase<T>.) |
| LastOrDefault(T) | Overloaded. Returns the last element of a sequence, or the specified default value if the sequence contains no elements. (Inherited from TEnumerableBase<T>.) |
| LastOrDefault(TPredicate<T>) | Overloaded. Returns the last element of a sequence that satisfies a condition or a default value if no such element is found. (Inherited from TEnumerableBase<T>.) |
| LastOrDefault(TPredicate<T>,T) | Overloaded. Returns the last element of a sequence that satisfies a condition or the specified default value if no such element is found. (Inherited from TEnumerableBase<T>.) |
| Max | Overloaded. Returns the maximum value in a sequence. (Inherited from TEnumerableBase<T>.) |
| Max(IComparer) | Overloaded. Returns the maximum value in a sequence by using the specified IComparer<T> . (Inherited from TEnumerableBase<T>.) |
| Max(TComparison) | Overloaded. Represents method |
| Max(TFunc) | Overloaded. Represents method |
| Min | Overloaded. Returns the minimum value in a sequence. (Inherited from TEnumerableBase<T>.) |
| Min(IComparer) | Overloaded. Returns the minimum value in a sequence by using the specified IComparer<T> . (Inherited from TEnumerableBase<T>.) |
| Min(TComparison) | Overloaded. Represents method |
| Min(TFunc) | Overloaded. Represents method |
| Ordered | Overloaded. Sorts the elements of a sequence in ascending order using the default comparer for their type. (Inherited from TEnumerableBase<T>.) |
| Ordered(IComparer) | Overloaded. Sorts the elements of a sequence in ascending order using the specified IComparer<T>. (Inherited from TEnumerableBase<T>.) |
| Ordered(TComparison) | Overloaded. Represents method |
| Peek | Returns the element at the top of the stack without removing it. |
| PeekOrDefault | Returns the element at the top of the stack without removing it. Returns Default(T) if the stack is empty. |
| Pop | Removes and returns the element at the top of the stack. |
| PopInternal(TCollectionChangedAction) | Represents method |
| Push(T) | Inserts an element at the top of the stack. |
| QueryInterface(TGUID,Void) | Represents method |
| Reversed | Inverts the order of the elements in a sequence. (Inherited from TEnumerableBase<T>.) |
| SetCapacity(Integer) | Represents method |
| Shuffled | Returns the sequence in a shuffled order. (Inherited from TEnumerableBase<T>.) |
| Single | Overloaded. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. (Inherited from TEnumerableBase<T>.) |
| Single(TPredicate<T>) | Overloaded. Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence. (Inherited from TEnumerableBase<T>.) |
| SingleOrDefault | Overloaded. Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. (Inherited from TEnumerableBase<T>.) |
| SingleOrDefault(T) | Overloaded. Returns the only element of a sequence, or the specified default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence. (Inherited from TEnumerableBase<T>.) |
| SingleOrDefault(TPredicate<T>) | Overloaded. Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition. (Inherited from TEnumerableBase<T>.) |
| SingleOrDefault(TPredicate<T>,T) | Overloaded. Returns the only element of a sequence that satisfies a specified condition or the specified default value if no such element exists; this method throws an exception if more than one element satisfies the condition. (Inherited from TEnumerableBase<T>.) |
| Skip(Integer) | Bypasses a specified number of elements in a sequence and then returns the remaining elements. (Inherited from TEnumerableBase<T>.) |
| SkipWhile(TFunc) | Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function. (Inherited from TEnumerableBase<T>.) |
| SkipWhile(TPredicate<T>) | Overloaded. Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. (Inherited from TEnumerableBase<T>.) |
| Sum | Overloaded. Computes the sum of the sequence. (Inherited from TEnumerableBase<T>.) |
| Take(Integer) | Returns a specified number of contiguous elements from the start of a sequence. (Inherited from TEnumerableBase<T>.) |
| TakeWhile(TFunc) | Overloaded. Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function. (Inherited from TEnumerableBase<T>.) |
| TakeWhile(TPredicate<T>) | Overloaded. Returns elements from a sequence as long as a specified condition is true. (Inherited from TEnumerableBase<T>.) |
| ToArray | Creates a new array which is filled with the elements in the collection. (Inherited from TEnumerableBase<T>.) |
| TrimExcess | Represents method |
| TryExtract(T) | Attempts to remove and return the element at the top of the stack without considering ownership. |
| TryGetElementAt(T,Integer) | Represents method |
| TryGetFirst(T) | Overloaded. Try getting the first element in a sequence. (Inherited from TEnumerableBase<T>.) |
| TryGetFirst(T,TPredicate<T>) | Overloaded. Try getting the first element in a sequence that satisfies a specified condition. (Inherited from TEnumerableBase<T>.) |
| TryGetLast(T) | Overloaded. Try getting the last element in a sequence. (Inherited from TEnumerableBase<T>.) |
| TryGetLast(T,TPredicate<T>) | Overloaded. Try getting the last element in a sequence that satisfies a specified condition. (Inherited from TEnumerableBase<T>.) |
| TryGetSingle(T) | Overloaded. Try getting the only element in a sequence. (Inherited from TEnumerableBase<T>.) |
| TryGetSingle(T,TPredicate<T>) | Overloaded. Try getting the only element in a sequence that satisfies a specified condition. (Inherited from TEnumerableBase<T>.) |
| TryPeek(T) | Attempts to return an element from the top of the stack without removing it. |
| TryPop(T) | Attempts to remove and return the element at the top of the stack. |
| Where(TPredicate<T>) | Filters a sequence of values based on a predicate. (Inherited from TEnumerableBase<T>.) |
| _AddRef | Represents method |
| _Release | Represents method |
| Name | Description | |
|---|---|---|
 | fComparer | Represents field |
 | fCount | Represents field |
| fItems | Represents field |
| fOnChanged | Represents field |
| fVersion | Represents field |