Dictionary<TKey, TValue>.Count Property
Gets the number of key/value pairs contained in the Dictionary<TKey, TValue>.
Assemblies: mscorlib (in mscorlib.dll)
System.Collections (in System.Collections.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.
.NET FrameworkSupported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0
.NET Framework Client ProfileSupported in: 4, 3.5 SP1
XNA FrameworkSupported in: 3.0, 2.0, 1.0
Portable Class LibrarySupported in: Portable Class Library
Supported in: Windows Phone 8.1
Supported in: Windows Phone Silverlight 8.1
Supported in: Windows Phone Silverlight 8