Dictionary<TKey, TValue>::ContainsValue Method (TValue)
.NET Framework (current version)
Determines whether the Dictionary<TKey, TValue> contains a specific value.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- value
-
Type:
TValue
The value to locate in the Dictionary<TKey, TValue>. The value can be null for reference types.
Return Value
Type: System::Booleantrue if the Dictionary<TKey, TValue> contains an element with the specified value; otherwise, false.
This method determines equality using the default equality comparer EqualityComparer<T>::Default for TValue, the type of values in the dictionary.
This method performs a linear search; therefore, the average execution time is proportional to Count. That is, this method is an O(n) operation, where n is Count.
Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Silverlight
Available since 2.0
Windows Phone Silverlight
Available since 7.0
Windows Phone
Available since 8.1
Show: