Dictionary(Of TKey, TValue).KeyCollection.ICollection(Of TKey).Add Method (TKey)
Adds an item to the ICollection(Of T). This implementation always throws NotSupportedException.
Assembly: mscorlib (in mscorlib.dll)
Parameters
- item
-
Type:
TKey
The object to add to the ICollection(Of T).
Implements
ICollection(Of T).Add(T)| Exception | Condition |
|---|---|
| NotSupportedException | Always thrown. |
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
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