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StringCollection.IList.Add Method

Adds an object to the end of the StringCollection.

Namespace:  System.Collections.Specialized
Assembly:  System (in System.dll)

int IList.Add(
	Object value
)

Parameters

value
Type: System.Object
The Object to be added to the end of the StringCollection. The value can be null.

Return Value

Type: System.Int32
The StringCollection index at which the value has been added.

Implements

IList.Add(Object)

ExceptionCondition
NotSupportedException

The StringCollection is read-only.

-or-

The StringCollection has a fixed size.

StringCollection accepts null as a valid value and allows duplicate elements.

If Count already equals the capacity, the capacity of the StringCollection is increased by automatically reallocating the internal array, and the existing elements are copied to the new array before the new element is added.

If Count is less than the 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.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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