Dictionary<TKey, TValue>::Count Property
Gets the number of key/value pairs contained in the Dictionary<TKey, TValue>.
Assembly: mscorlib (in mscorlib.dll)
The capacity of a Dictionary<TKey, TValue> is the number of elements that the Dictionary<TKey, TValue> can store. The property is the number of elements that are actually in the Dictionary<TKey, TValue>.
The capacity is always greater than or equal to . If exceeds the capacity while adding elements, the capacity is increased by automatically reallocating the internal array before copying the old elements and adding the new elements.
Getting the value of this property is an O(1) operation.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98, Windows CE, Windows Mobile for Smartphone, Windows Mobile for Pocket PC, Xbox 360, Zune
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.