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ConcurrentDictionary<TKey, TValue>::IDictionary<TKey, TValue>::Add Method (TKey, TValue)
.NET Framework (current version)
Adds the specified key and value to the IDictionary<TKey, TValue>.
Assembly: mscorlib (in mscorlib.dll)
| Exception | Condition |
|---|---|
| ArgumentNullException | key is null. |
| ArgumentException | An element with the same key already exists in the ConcurrentDictionary<TKey, TValue>. |
| OverflowException | The dictionary already contains the maximum number of elements (MaxValue). |
Universal Windows Platform
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 4.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone
Available since 8.1
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