List<T>.IList.Add(Object) Method

Reference

Definition

Namespace:: System.Collections.Generic

Assembly:: System.Collections.dll

Assembly:: mscorlib.dll

Assembly:: netstandard.dll

Source:: List.cs

Source:: List.cs

Source:: List.cs

Important

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Adds an item to the IList.

 virtual int System.Collections.IList.Add(System::Object ^ item) = System::Collections::IList::Add;

int IList.Add (object item);

abstract member System.Collections.IList.Add : obj -> int
override this.System.Collections.IList.Add : obj -> int

Function Add (item As Object) As Integer Implements IList.Add

Parameters

item: Object

The Object to add to the IList.

Returns

Int32

The position into which the new element was inserted.

Implements

Add(Object)

Exceptions

ArgumentException

item is of a type that is not assignable to the IList.

Remarks

If Count is less than Capacity, this method is an O(1) operation. If the capacity needs to be increased to accommodate the new element, this method becomes an O(n) operation, where n is Count.

Applies to

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