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<Type Name="CodeAccessPermission" FullName="System.Security.CodeAccessPermission" FullNameSP="System_Security_CodeAccessPermission" Maintainer="ecma">
<TypeSignature Language="ILASM" Value=".class public abstract serializable CodeAccessPermission extends System.Object implements System.Security.IPermission" />
<TypeSignature Language="C#" Value="public abstract class CodeAccessPermission : System.Security.IPermission, System.Security.IStackWalk" />
<MemberOfLibrary>BCL</MemberOfLibrary>
<AssemblyInfo>
<AssemblyName>mscorlib</AssemblyName>
<AssemblyPublicKey>[00 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 ]</AssemblyPublicKey>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<ThreadingSafetyStatement>All public static members of this type are safe for multithreaded operations. No instance members are guaranteed to be thread safe.</ThreadingSafetyStatement>
<Base>
<BaseTypeName>System.Object</BaseTypeName>
</Base>
<Interfaces>
<Interface>
<InterfaceName>System.Security.IPermission</InterfaceName>
</Interface>
<Interface>
<InterfaceName>System.Security.IStackWalk</InterfaceName>
</Interface>
</Interfaces>
<Docs>
<summary>
<para>Serves as
the base class for all code access permissions.</para>
</summary>
<remarks>
<block subset="none" type="note">
<para>Classes derived from <see cref="T:System.Security.CodeAccessPermission" /> are required to override the following methods of the
<see cref="T:System.Security.CodeAccessPermission" /> class:</para>
<list type="bullet">
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.Copy" /> - Creates a <see cref="T:System.Security.IPermission" /> object of the
same type and containing the same values as the current instance.</term>
</item>
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.FromXml(System.Security.SecurityElement)" /> - Reconstructs the
state of a <see cref="T:System.Security.CodeAccessPermission" /> object
using an XML encoding.</term>
</item>
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.Intersect(System.Security.IPermission)" /> - Returns a <see cref="T:System.Security.IPermission" /> object that is
the intersection of the current instance and the specified object.</term>
</item>
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.IsSubsetOf(System.Security.IPermission)" /> - Determines if the
current instance is a subset of the specified object.</term>
</item>
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.ToXml" /> - Creates an XML
encoding of the current instance.</term>
</item>
<item>
<term>
<see cref="M:System.Security.CodeAccessPermission.Union(System.Security.IPermission)" /> - Returns a <see cref="T:System.Security.IPermission" /> object that is the
union of the current instance and the specified
object.</term>
</item>
</list>
<para>In addition, classes derived from <see cref="T:System.Security.CodeAccessPermission" /> are required to implement a constructor that takes a <see cref="T:System.Security.Permissions.PermissionState" /> as
its only parameter.</para>
</block>
<para>The XML encoding of a <see cref="T:System.Security.CodeAccessPermission" /> instance is defined below in
EBNF format. The following conventions are used: </para>
<list type="bullet">
<item>
<term>
<para> All non-literals in the grammar below are shown in normal type.</para>
</term>
</item>
<item>
<term>
<para> All literals are in bold font. </para>
</term>
</item>
</list>
<para> The following meta-language symbols are used: </para>
<list type="bullet">
<item>
<term>
'*' represents a meta-language symbol suffixing an
expression that can appear zero or more times.</term>
</item>
<item>
<term>
'?' represents a meta-language symbol suffixing an
expression that can appear zero or one time.</term>
</item>
<item>
<term>
'+' represents a meta-language symbol suffixing an
expression that can appear one or more times.</term>
</item>
<item>
<term>
'(',')' is used to group literals, non-literals, or a
mixture of literals and non-literals.</term>
</item>
<item>
<term>
'|' denotes an exclusive disjunction between two
expressions.</term>
</item>
<item>
<term>
'::= ' denotes a production rule where a left hand
non-literal is replaced by a right hand expression containing literals,
non-literals, or both.</term>
</item>
</list>
<para> ClassName is the name of the class implementing the permission, such as
<see cref="T:System.Security.Permissions.EnvironmentPermission" />.</para>
<para> AssemblyName is the name of the assembly that contains the class implementing
the permission, such as mscorlib.</para>
<para> Version is the three part version number indicating the version of the
assembly implementing the permission, such as 1.0.1.</para>
<para> StrongNamePublicKeyToken is the strong name public key token constituting the
strong name of the assembly that implements the permission.</para>
<para> PermissionAttributes is any attribute and attribute value on the <see cref="T:System.Security.IPermission" />
element used by the permission to represent a particular permission state, for
example, unrestricted="true".</para>
<para> PermissionXML is any valid XML used by the permission to represent permission
state.</para>
<para>The XML encoding of a <see cref="T:System.Security.CodeAccessPermission" /> instance is as
follows:</para>
<c>
<para>CodeAccessPermissionXML::=</para>
<para>
<see langword="<IPermission class="" />
</para>
<para>ClassName<see langword="," /></para>
<para>AssemblyName<see langword="," /></para>
<para>
<see langword="Version=" />Version<see langword="," /></para>
<para>
<see langword="Culture=neutral," />
</para>
<para>
<see langword="PublicKeyToken=" />StrongNamePublicKeyToken<see langword=""" /></para>
<para>
<see langword="version="1"" />
</para>
<para>(PermissionAttributes)*</para>
<para>></para>
<para>(PermissionXML)?</para>
<para>
<see langword="</IPermission>" />
</para>
</c>
</remarks>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="ILASM" Value="family specialname instance void .ctor()" />
<MemberSignature Language="C#" Value="protected CodeAccessPermission ();" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters />
<Docs>
<summary>Constructs a new instance of the <see cref="T:System.Security.CodeAccessPermission" /> class.</summary>
<remarks>To be added.</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Assert">
<MemberSignature Language="ILASM" Value=".method public final hidebysig virtual void Assert()" />
<MemberSignature Language="C#" Value="public void Assert ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para> Asserts that calling code can access the resource identified by the current instance through the code that
calls this method, even if callers have not been granted permission to
access the resource. </para>
</summary>
<remarks>
<para> Calling <see cref="M:System.Security.CodeAccessPermission.Assert" /> stops the
permission
check on callers that are after the code performing the assert. An assertion is effective only if the code that
calls <see cref="M:System.Security.CodeAccessPermission.Assert" /> passes the security check
for the permission that it is asserting.</para>
<block subset="none" type="note">
<para> Even if the callers that are after the code performing
the assert do not have the requisite permissions, they can still access
resources through the code that calls this method. Because the assertion only
applies to the callers of the code performing the assert, a security check for
the asserted permission can still fail if the code calling <see cref="M:System.Security.CodeAccessPermission.Assert" />
has not itself been granted that permission.</para>
<para>A call to <see cref="M:System.Security.CodeAccessPermission.Assert" /> is effective until the code containing
the call returns to its caller.</para>
<para>Caution:
Because calling <see cref="M:System.Security.CodeAccessPermission.Assert" />
removes the
requirement that all code be granted permission to access the specified resource, it can
open up security vulnerabilities if used incorrectly or inappropriately.
</para>
</block>
</remarks>
<exception cref="T:System.Security.SecurityException">The calling code does not have <see cref="F:System.Security.Permissions.SecurityPermissionFlag.Assertion" qualify="true" />. </exception>
<permission cref="T:System.Security.Permissions.SecurityPermission">Requires permission to call <see cref="M:System.Security.CodeAccessPermission.Assert" />. See <see cref="F:System.Security.Permissions.SecurityPermissionFlag.Assertion" />.</permission>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Copy">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual abstract class System.Security.IPermission Copy()" />
<MemberSignature Language="C#" Value="public abstract System.Security.IPermission Copy ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.IPermission</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para> Returns a <see cref="T:System.Security.CodeAccessPermission" /> containing the same
values as the current instance.</para>
</summary>
<returns>
<para> A new <see cref="T:System.Security.CodeAccessPermission" /> instance that is value
equal to the current instance.</para>
</returns>
<remarks>
<para>
<block subset="none" type="note">This method is implemented to support
the <see cref="T:System.Security.IPermission" /> interface.</block>
</para>
<para>
<block subset="none" type="behaviors">The object returned by this
method is required be the same type as the current instance and to represent the same access
to resources as the current instance.</block>
</para>
<para>
<block subset="none" type="overrides">Override this
method to create a copy an instance in a type derived from <see cref="T:System.Security.CodeAccessPermission" />.
</block>
</para>
<para>
<block subset="none" type="usage">Use this method to obtain a copy of the
current instance that has values identical to those of the current
instance.</block>
</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Demand">
<MemberSignature Language="ILASM" Value=".method public final hidebysig virtual void Demand()" />
<MemberSignature Language="C#" Value="public void Demand ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para>Forces a <see cref="T:System.Security.SecurityException" /> if all callers do not have the permission
specified by the current instance.</para>
</summary>
<remarks>
<para>The permissions of the code that calls this method are
not examined; the check begins from the immediate caller of that code and
continues until all callers have been checked, one of the callers
invokes <see cref="M:System.Security.CodeAccessPermission.Assert" />
, or a caller has been found that is not granted the
demanded permission, in which case a <see cref="T:System.Security.SecurityException" /> is thrown. </para>
<block subset="none" type="note">
<para>
<see cref="M:System.Security.CodeAccessPermission.Demand" /> is typically used by shared
libraries to ensure that callers have permission to access a resource.
For example, a method in a shared library calls <see cref="M:System.Security.CodeAccessPermission.Demand" /> for the necessary <see cref="T:System.Security.Permissions.FileIOPermission" /> before
performing a file operation requested by the caller.</para>
<para>This method is implemented to support
the <see cref="T:System.Security.IPermission" /> interface.
</para>
</block>
</remarks>
<exception cref="T:System.Security.SecurityException">
<para> A caller does not have the permission specified by the current instance.</para>
<para>-or-</para>
<para> A caller has called <see cref="M:System.Security.CodeAccessPermission.Deny" /> for the resource protected by the current instance. </para>
</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Deny">
<MemberSignature Language="ILASM" Value=".method public final hidebysig virtual void Deny()" />
<MemberSignature Language="C#" Value="public void Deny ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para> Denies access
to the resources specified by the current instance through the code that calls
this method.</para>
</summary>
<remarks>
<para>This method prevents callers from accessing the protected resource through
the code that calls this method, even if those callers have been granted
permission to access it.</para>
<para>The call to <see cref="M:System.Security.CodeAccessPermission.Deny" />
is effective until the calling
code returns.</para>
<block subset="none" type="note">
<para>
<see cref="M:System.Security.CodeAccessPermission.Deny" /> is ignored for a
permission not granted because a demand for that permission will not
succeed.</para>
<para>
<see cref="M:System.Security.CodeAccessPermission.Deny" /> can
limit the liability of the programmer or prevent accidental security vulnerabilities because it
prevents the method that calls <see cref="M:System.Security.CodeAccessPermission.Deny" /> from being used to access
the resource protected by the denied permission.</para>
</block>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Equals">
<MemberSignature Language="C#" Value="public override bool Equals (object obj);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="obj" Type="System.Object" />
</Parameters>
<Docs>
<param name="obj">To be added.</param>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(false)</AttributeName>
</Attribute>
</Attributes>
</Member>
<Member MemberName="FromXml">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual abstract void FromXml(class System.Security.SecurityElement elem)" />
<MemberSignature Language="C#" Value="public abstract void FromXml (System.Security.SecurityElement elem);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="elem" Type="System.Security.SecurityElement" />
</Parameters>
<Docs>
<param name="elem">A <see cref="T:System.Security.SecurityElement" /> instance containing the XML encoding to use to reconstruct the state of a <see cref="T:System.Security.CodeAccessPermission" /> object.</param>
<summary>
<para> Reconstructs the state of a <see cref="T:System.Security.CodeAccessPermission" /> object using the specified XML encoding.</para>
</summary>
<remarks>
<para>
<block subset="none" type="behaviors">The values of the
current instance are set to the values of the permission object encoded in
<paramref name="elem" />
.</block>
</para>
<para>
<block subset="none" type="overrides">Override this
method to reconstruct subclasses of <see cref="T:System.Security.CodeAccessPermission" /> .</block>
</para>
<para>
<block subset="none" type="usage">This method is called
by the system.</block>
</para>
<para>
<block subset="none" type="note">For the XML encoding for this class, see the <see cref="T:System.Security.CodeAccessPermission" />
class page.</block>
</para>
</remarks>
<exception cref="T:System.ArgumentException">
<para>
<paramref name="elem" /> does not contain the XML encoding for a instance of the same type as the current instance.</para>
<para>-or-</para>
<para>The version number of <paramref name="elem" /> is not valid.</para>
</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="GetHashCode">
<MemberSignature Language="C#" Value="public override int GetHashCode ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Int32</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<returns>To be added.</returns>
<remarks>To be added.</remarks>
<since version=".NET 2.0" />
</Docs>
<AssemblyInfo>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(false)</AttributeName>
</Attribute>
</Attributes>
</Member>
<Member MemberName="Intersect">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual abstract class System.Security.IPermission Intersect(class System.Security.IPermission target)" />
<MemberSignature Language="C#" Value="public abstract System.Security.IPermission Intersect (System.Security.IPermission target);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.IPermission</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="target" Type="System.Security.IPermission" />
</Parameters>
<Docs>
<param name="target">A <see cref="T:System.Security.CodeAccessPermission" /> instance to intersect with the current instance.</param>
<summary>
<para> Returns a <see cref="T:System.Security.CodeAccessPermission" /> object that is the
intersection of the current instance and the specified
object.</para>
</summary>
<returns>
<para> A new <see cref="T:System.Security.CodeAccessPermission" /> instance
that represents the intersection of the current instance and
<paramref name="target" /> . If the intersection is empty or
<paramref name="target" /> is <see langword="null" />, returns <see langword="null" />.</para>
</returns>
<remarks>
<para>
<block subset="none" type="note">This method is implemented to support
the <see cref="T:System.Security.IPermission" /> interface.</block>
</para>
<para>
<block subset="none" type="behaviors">As described above.</block>
</para>
<para>
<block subset="none" type="overrides">Override this
method to provide a mechanism for creating an intersection of two <see cref="T:System.Security.IPermission" /> objects that are of the same type and are
derived from <see cref="T:System.Security.CodeAccessPermission" />
.</block>
</para>
<para>
<block subset="none" type="usage">The intersection
of two permissions is a permission that secures the resources and operations
secured by both permissions. Specifically, it represents the minimum permission
such that any demand that passes both permissions will also pass their
intersection.</block>
</para>
</remarks>
<exception cref="T:System.ArgumentException">
<paramref name="target" /> is not <see langword="null" /> and is not a <see cref="T:System.Security.CodeAccessPermission" /> object.</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="IsSubsetOf">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual abstract bool IsSubsetOf(class System.Security.IPermission target)" />
<MemberSignature Language="C#" Value="public abstract bool IsSubsetOf (System.Security.IPermission target);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Boolean</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="target" Type="System.Security.IPermission" />
</Parameters>
<Docs>
<param name="target">
<para>A <see cref="T:System.Security.CodeAccessPermission" /> instance that is to be tested for the subset relationship.</para>
</param>
<summary>
<para>Determines whether the current instance is a subset of the specified
object.</para>
</summary>
<returns>
<para>
<see langword="true" /> if the current instance is a
subset of <paramref name="target" />; otherwise, <see langword="false" />. If the current
instance is unrestricted, and <paramref name="target" /> is not, returns
<see langword="false" />. If <paramref name="target" /> is unrestricted, returns
<see langword="true" /> .</para>
<see langword="" />
</returns>
<remarks>
<para>
<block subset="none" type="note">This method is implemented to support
the <see cref="T:System.Security.IPermission" /> interface.</block>
</para>
<para>
<block subset="none" type="behaviors">As described above.</block>
</para>
<para>
<block subset="none" type="overrides">Override this
method to implement the test for the subset relationship in types derived from
<see cref="T:System.Security.CodeAccessPermission" />
.</block>
</para>
<block subset="none" type="usage">
<para> The current
instance is a subset of <paramref name="target" /> if the current instance specifies a set
of accesses to resources that is wholly contained by <paramref name="target" />. For example, a permission that
represents read access to a file is a subset of a permission that represents
read and write access to the file.</para>
<para> If this method returns <see langword="true" /> , the current
instance does not describe a level of access to a set of resources that is
not already described by <paramref name="target" />.
</para>
</block>
</remarks>
<exception cref="T:System.ArgumentException">
<paramref name="target" /> is not <see langword="null" /> and is not of type <see cref="T:System.Security.CodeAccessPermission" /> .</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="PermitOnly">
<MemberSignature Language="C#" Value="public void PermitOnly ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="RevertAll">
<MemberSignature Language="C#" Value="public static void RevertAll ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="RevertAssert">
<MemberSignature Language="C#" Value="public static void RevertAssert ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="RevertDeny">
<MemberSignature Language="C#" Value="public static void RevertDeny ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="RevertPermitOnly">
<MemberSignature Language="C#" Value="public static void RevertPermitOnly ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Void</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>To be added.</summary>
<remarks>To be added.</remarks>
</Docs>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="ToString">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual string ToString()" />
<MemberSignature Language="C#" Value="public override string ToString ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.String</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para> Returns the XML representation
of the state of the current instance.</para>
</summary>
<returns>
<para> A <see cref="T:System.String" /> containing the XML
representation of the state of the current instance.</para>
</returns>
<remarks>
<block subset="none" type="note">
<para> The XML representation of the current instance is
obtained by first calling <see cref="M:System.Security.CodeAccessPermission.ToXml" />, then calling <see cref="M:System.Object.ToString" /> on the
object returned by that
method.</para>
<para>This method
overrides <see cref="M:System.Object.ToString" />.</para>
</block>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="ToXml">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual abstract class System.Security.SecurityElement ToXml()" />
<MemberSignature Language="C#" Value="public abstract System.Security.SecurityElement ToXml ();" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.SecurityElement</ReturnType>
</ReturnValue>
<Parameters />
<Docs>
<summary>
<para> Returns
the XML encoding of the current instance.</para>
</summary>
<returns>
<para>A <see cref="T:System.Security.SecurityElement" /> containing an XML encoding of the state of the
current instance.</para>
</returns>
<remarks>
<para>
<block subset="none" type="behaviors">The object
returned by this method is required to use the XML encoding for the <see cref="T:System.Security.CodeAccessPermission" /> class as defined on the class page. The state of
the current instance is required to be reproducible by invoking <see cref="M:System.Security.CodeAccessPermission.FromXml(System.Security.SecurityElement)" /> on an instance
of <see cref="T:System.Security.CodeAccessPermission" /> using the object returned by this
method.</block>
</para>
<para>
<block subset="none" type="overrides">Override this
method to return an object containing the XML encoding for types derived from
<see cref="T:System.Security.CodeAccessPermission" /> .</block>
</para>
<para>
<block subset="none" type="usage">This method is called by the system.</block>
</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName="Union">
<MemberSignature Language="ILASM" Value=".method public hidebysig virtual class System.Security.IPermission Union(class System.Security.IPermission other)" />
<MemberSignature Language="C#" Value="public virtual System.Security.IPermission Union (System.Security.IPermission other);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>System.Security.IPermission</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="other" Type="System.Security.IPermission" />
</Parameters>
<Docs>
<param name="other">A <see cref="T:System.Security.IPermission" /> object of the same type as the current instance to be combined with the current instance.</param>
<summary>
<para> Returns a <see cref="T:System.Security.CodeAccessPermission" /> object that is the union
of the current instance and the specified object.</para>
</summary>
<returns>
<para>If <paramref name="other" /> is <see langword="null" />, returns a copy of the current
instance using the <see cref="M:System.Security.IPermission.Copy" qualify="true" /> method.</para>
</returns>
<remarks>
<para>
<block subset="none" type="note">This method is implemented to support
the <see cref="T:System.Security.IPermission" /> interface.</block>
</para>
<para>
<block subset="none" type="behaviors">This method
returns a new <see cref="T:System.Security.CodeAccessPermission" /> instance that represents the union of the
current instance and <paramref name="other" />. If the current instance or <paramref name="other" /> is
unrestricted, returns a <see cref="T:System.Security.CodeAccessPermission" /> instance that is
unrestricted. If <paramref name="other" /> is <see langword="null" />, returns a copy
of the current instance using the <see cref="M:System.Security.IPermission.Copy" qualify="true" /> method.</block>
</para>
<para>
<block subset="none" type="default">If <paramref name="other" /> is not <see langword="null" />, this method
throws a <see cref="T:System.NotSupportedException" /> exception; otherwise,
returns a copy of the current
instance.</block>
</para>
<para>
<block subset="none" type="overrides">Override this method to provide a mechanism for
creating the union of two <see cref="T:System.Security.IPermission" /> objects that are of the same type and are
derived from <see cref="T:System.Security.CodeAccessPermission" /> .</block>
</para>
<para>
<block subset="none" type="usage">The result of a call to <see cref="M:System.Security.CodeAccessPermission.Union(System.Security.IPermission)" /> is a permission that represents all
of the access to resources represented by both the current instance and
<paramref name="other" /> . Any demand that passes either permission passes their
union.</block>
</para>
</remarks>
<exception cref="T:System.ArgumentException">
<paramref name="other" /> is not of type <see cref="T:System.Security.CodeAccessPermission" /> .</exception>
<exception cref="T:System.NotSupportedException">
<paramref name="other" /> is not <see langword="null" />.</exception>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
</Members>
<TypeExcluded>0</TypeExcluded>
<Attributes>
<Attribute>
<AttributeName>System.Runtime.InteropServices.ComVisible(true)</AttributeName>
</Attribute>
</Attributes>
</Type>
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