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Collection<T>.Insert Method

Silverlight

Other Versions

Inserts an element into the Collection<T> at the specified index.

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

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public void Insert(
	int index,
	T item
)

index: Type: System.Int32
The zero-based index at which item should be inserted.

item: Type: T
The object to insert. The value can be null for reference types.

Exception	Condition
ArgumentOutOfRangeException	index is less than zero. -or- index is greater than Count.

Exception

Condition

ArgumentOutOfRangeException

index is less than zero.

-or-

index is greater than Count.

Collection<T> accepts null as a valid value for reference types and allows duplicate elements.

If index is equal to Count, item is added to the end of Collection<T>.

This method is an O(n) operation, where n is Count.

Notes to Inheritors

Derived classes can override InsertItem to change the behavior of this method.

Supported in: 5, 4, 3

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Supported in: Xbox 360, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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