RemoveAt Method
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IList<T>.RemoveAt Method (Int32)


Removes the IList<T> item at the specified index.

Namespace:   System.Collections.Generic
Assembly:  mscorlib (in mscorlib.dll)

void RemoveAt(
	int index


Type: System.Int32

The zero-based index of the item to remove.

Exception Condition

index is not a valid index in the IList<T>.


The IList<T> is read-only.

In collections of contiguous elements, such as lists, the elements that follow the removed element move up to occupy the vacated spot. If the collection is indexed, the indexes of the elements that are moved are also updated. This behavior does not apply to collections where elements are conceptually grouped into buckets, such as a hash table.

Universal Windows Platform
Available since 4.5
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
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