SortedDictionary<'TKey, 'TValue>.KeyCollection.ICollection<'TKey>.Add Method ('TKey)
Adds an item to the ICollection<'T>. This implementation always throws a NotSupportedException.
Assembly: System (in System.dll)
Parameters
- item
-
Type:
TKey
The object to add to the ICollection<'T>.
Implements
ICollection<'T>.Add('T)| Exception | Condition |
|---|---|
| NotSupportedException | Always thrown; the collection is read-only. |
Universal Windows Platform
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
Available since 8
.NET Framework
Available since 2.0
Portable Class Library
Supported in: portable .NET platforms
Windows Phone Silverlight
Available since 8.0
Windows Phone
Available since 8.1
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