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FrameworkElementAdapters.ViewToContractAdapter Method

Returns an INativeHandleContract that has been converted from a FrameworkElement.

Namespace:  System.AddIn.Pipeline
Assembly:  System.Windows.Presentation (in System.Windows.Presentation.dll)

public static INativeHandleContract ViewToContractAdapter(
	FrameworkElement root


Type: System.Windows.FrameworkElement
The FrameworkElement to be passed across the isolation boundary between the host application and the add-in.

Return Value

Type: System.AddIn.Contract.INativeHandleContract
An INativeHandleContract that is passed from either the host application or the add-in, depending on the direction in which the UI is passed between the two.


root is not the root element of a tree of elements.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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