Class Library (WPF)
The following links refer to namespaces that contain Windows Presentation Foundation (WPF) APIs.
Reference
Microsoft.Win32 (shared)
System.Collections.ObjectModel (shared)
System.Collections.Specialized (shared)
System.ComponentModel (shared)
System.Diagnostics (shared)
System.IO (shared)
System.Security.Permissions (shared)
System.Windows.Markup (shared)
XAML Support in .NET 4
The following namespaces contain types from the System.Xaml assembly. System.Xaml provides common XAML language support for frameworks such as WPF that are built on .NET Framework version 4.