Removes an item at a specified index from the collection.
public void RemoveAt(
The zero-based index of the element to be retrieved from the collection.
The index specified is less than zero or greater than the number of items in the collection.
The elements in the collection that follow the removed element move up to occupy the vacated spot and their indices are updated accordingly.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.