Gets the number of elements actually contained in the List(T).
Assembly: mscorlib (in mscorlib.dll)
Capacity is always greater than or equal to . If exceeds Capacity while adding elements, the capacity is increased by automatically reallocating the internal array before copying the old elements and adding the new elements.
Retrieving the value of this property is an O(1) operation.
The following code example shows the value of the property at various points in the life of a list. After the list has been created and populated and its elements displayed, the Capacity and properties are displayed. These properties are displayed again after the TrimExcess method has been called, and again after the contents of the list are cleared.
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.