| ArrayList Class |
Implements the IList interface using an array whose size is dynamically increased as required.
Inheritance HierarchyNamespace: System.Collections
Assembly: mscorlib (in mscorlib.dll) Version: 4.0.0.0
SyntaxC#
[SerializableAttribute] public class ArrayList : IList, ICollection, IEnumerable, ICloneable
The ArrayList type exposes the following members.
Methods| Name | Description | |
|---|---|---|
 | Add | Adds an object to the end of the ArrayList. |
| AddRange | Adds the elements of an ICollection to the end of the ArrayList. |
| BinarySearch(Object) | Searches the entire sorted ArrayList for an element using the default comparer and returns the zero-based index of the element. |
| BinarySearch(Object, IComparer) | Searches the entire sorted ArrayList for an element using the specified comparer and returns the zero-based index of the element. |
| BinarySearch(Int32, Int32, Object, IComparer) | Searches a range of elements in the sorted ArrayList for an element using the specified comparer and returns the zero-based index of the element. |
| Clear | Removes all elements from the ArrayList. |
| Contains | Determines whether an element is in the ArrayList. |
| CopyTo(Array) | Copies the entire ArrayList to a compatible one-dimensional Array, starting at the beginning of the target array. |
| CopyTo(Array, Int32) | Copies the entire ArrayList to a compatible one-dimensional Array, starting at the specified index of the target array. |
| CopyTo(Int32, Array, Int32, Int32) | Copies a range of elements from the ArrayList to a compatible one-dimensional Array, starting at the specified index of the target array. |
| Equals(Object) | (Inherited from Object.) |
| GetEnumerator | Returns an enumerator for the entire ArrayList. |
| GetEnumerator(Int32, Int32) | Returns an enumerator for a range of elements in the ArrayList. |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| IndexOf(Object) | Searches for the specified Object and returns the zero-based index of the first occurrence within the entire ArrayList. |
| IndexOf(Object, Int32) | Searches for the specified Object and returns the zero-based index of the first occurrence within the range of elements in the ArrayList that extends from the specified index to the last element. |
| IndexOf(Object, Int32, Int32) | Searches for the specified Object and returns the zero-based index of the first occurrence within the range of elements in the ArrayList that starts at the specified index and contains the specified number of elements. |
| Insert | Inserts an element into the ArrayList at the specified index. |
| InsertRange | Inserts the elements of a collection into the ArrayList at the specified index. |
 | MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| Remove | Removes the first occurrence of a specific object from the ArrayList. |
| RemoveAt | Removes the element at the specified index of the ArrayList. |
| RemoveRange | Removes a range of elements from the ArrayList. |
| Reverse | Reverses the order of the elements in the entire ArrayList. |
| Reverse(Int32, Int32) | Reverses the order of the elements in the specified range. |
| Sort | Sorts the elements in the entire ArrayList. |
| Sort(IComparer) | Sorts the elements in the entire ArrayList using the specified comparer. |
| Sort(Int32, Int32, IComparer) | Sorts the elements in a range of elements in ArrayList using the specified comparer. |
| ToArray | Copies the elements of the ArrayList to a new Object array. |
| ToArray(Type) | Copies the elements of the ArrayList to a new array of the specified element type. |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
Properties| Name | Description | |
|---|---|---|
 | Capacity | Gets or sets the number of elements that the ArrayList can contain. |
| Count | Gets the number of elements actually contained in the ArrayList. |
See Also