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WebBrowserPermissionLevel Enumeration

Specifies the permission level for a Web browser.

Namespace: System.Security.Permissions
Assembly: WindowsBase (in windowsbase.dll)

public enum WebBrowserPermissionLevel
public enum WebBrowserPermissionLevel
public enum WebBrowserPermissionLevel
<object property="EnumerationValue" .../>

 Member nameDescription
NoneA Web browser that cannot navigate frames to HTML. 
SafeA Web browser that can safely navigate frames to HTML but with several restrictions. 
UnrestrictedA Web browser that can navigate without restrictions. 

Use this enumeration to set the Level property of the WebBrowserPermission class.

The Safe permission level restricts the following Web browser operations.

  • A pop-up window cannot be created over the Web browser control.

  • The Web browser control can only be navigated to its site of origin.

  • The security settings of the Web browser control are reduced.

The following example shows how to demand that the calling code has unrestricted permission to create a Web browser control.

[WebBrowserPermissionAttribute(SecurityAction.Demand, Level = WebBrowserPermissionLevel.Unrestricted)]

Windows 98, Windows Server 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0

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