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AxHost.State Class

Encapsulates the persisted state of an ActiveX control.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

[PermissionSetAttribute(SecurityAction.LinkDemand, Name = "FullTrust")]
[PermissionSetAttribute(SecurityAction.InheritanceDemand, Name = "FullTrust")]
public class State : ISerializable

The AxHost.State can be retrieved using the AxHost.OcxState property, or by reading the control's state from a data stream.

For more information, see the documentation for IPersistStream and IPersistPropertyBag in the MSDN library. IPersistStream can be found in the interface reference section of the COM SDK documentation, and IPersistPropertyBag can be found in the COM Fundamentals interface reference section of the COM SDK documentation.


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 XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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, 2.0, 1.1, 1.0