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InternalTypeHelper Class

Abstract class used internally by the XAML compiler to support the use of internal types.

Namespace:  System.Windows.Markup
Assembly:  WindowsBase (in WindowsBase.dll)

public abstract class InternalTypeHelper
This class is abstract; see Inheritance Hierarchy for derived non-abstract classes usable in XAML.

The InternalTypeHelper class is not intended for use by anything other than the markup compiler.

When compiling a XAML file, you can use internal or public types. InternalTypeHelper enables support of Internal types.


Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0