Adds an item to the collection.
public void Add(
The string key, which is the name of the XAML namescope mapping to add.
The object value, which is the object reference of the XAML namescope mapping to add.
key or value is null.
This method basically wraps Add so that it is not necessary to involve the KeyValuePair<TKey, TValue> type in your usage.
Names in a XAML namescope must use a particular grammar that restricts the strings you might use for inputs of NameScope API. See XamlName Grammar.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.