Collection(T).RemoveAt Method
Removes the element at the specified index of the Collection(T).
Namespace: System.Collections.ObjectModel
Assembly: mscorlib (in mscorlib.dll)
Parameters
- index
- Type: System.Int32
The zero-based index of the element to remove.
Implements
IList(T).RemoveAt(Int32)IList.RemoveAt(Int32)
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | index is less than zero. -or- index is equal to or greater than Count. |
This method is an O(n) operation, where n is Count.
Notes to InheritorsDerived classes can override RemoveItem to change the behavior of this method.
The following code example demonstrates many of the properties and methods of Collection(T). The code example creates a collection of strings, uses the Add method to add several strings, displays the Count, and lists the strings. The example uses the IndexOf method to find the index of a string and the Contains method to determine whether a string is in the collection. The example inserts a string using the Insert method and retrieves and sets strings using the default Item property (the indexer in C#). The example removes strings by string identity using the Remove method and by index using the RemoveAt method. Finally, the Clear method is used to clear all strings from the collection.
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