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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



The XML encoding to use to reconstruct the permission.

Exception typeCondition


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


The esd parameter is not a valid permission element.


The esd parameter's version number is not valid.

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

// 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);
    Console.WriteLine("Result of ToFromXml = " + readPerm2.ToString() + "\n");

    return returnValue;


Windows 98, Windows 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 .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

.NET Framework

Supported in: 2.0, 1.1, 1.0