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Dictionary<TKey,TValue>.KeyCollection.Count Property

  • Reference

Definition

Namespace:
System.Collections.Generic
Assemblies:
mscorlib.dll, System.Collections.dll
Assemblies:
netstandard.dll, System.Collections.dll
Assembly:
System.Collections.dll
Assembly:
mscorlib.dll
Assembly:
netstandard.dll
Source:
Dictionary.cs
Source:
Dictionary.cs
Source:
Dictionary.cs

Gets the number of elements contained in the Dictionary<TKey,TValue>.KeyCollection.

C# 
public int Count { get; }

Property Value

Int32

The number of elements contained in the Dictionary<TKey,TValue>.KeyCollection.

Retrieving the value of this property is an O(1) operation.

Implements

Count Count Count

Applies to

Termék Verziók
.NET Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard 1.0, 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1
UWP 10.0