RegistryPermission.FromXml Method

Reconstructs a permission with a specified state from an XML encoding.

Namespace: System.Security.Permissions
Assembly: mscorlib (in mscorlib.dll)

public override void FromXml (
	SecurityElement esd
)
public void FromXml (
	SecurityElement esd
)
public override function FromXml (
	esd : SecurityElement
)
Not applicable.

Parameters

esd

The XML encoding to use to reconstruct the permission.

Exception typeCondition

ArgumentNullException

The esd parameter is a null reference (Nothing in Visual Basic).

ArgumentException

The esd parameter is not a valid permission element.

-or-

The esd parameter's version number is not valid.

The following code example shows the behavior of the FromXml method. This code example is part of a larger example provided for the RegistryPermission class.

NoteNote:

The code example is intended to show the behavior of the method, not to demonstrate its use. In general, the methods of permission classes are used by the security infrastructure; they are not typically used in applications.

// ToXml creates an XML encoding of the permission and its current state; FromXml
// reconstructs a permission with the specified state from the XML encoding.
private bool ToFromXmlDemo()
{

    bool returnValue = true;
    readPerm2 = new RegistryPermission(PermissionState.None);
    readPerm2.FromXml(readPerm1.ToXml());
    Console.WriteLine("Result of ToFromXml = " + readPerm2.ToString() + "\n");

    return returnValue;

}

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, 2.0, 1.1, 1.0

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