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<Type Name="FieldAccessException" FullName="System.FieldAccessException" FullNameSP="System_FieldAccessException" Maintainer="ecma">
<TypeSignature Language="ILASM" Value=".class public serializable FieldAccessException extends System.MemberAccessException" />
<TypeSignature Language="C#" Value="public class FieldAccessException : MemberAccessException" />
<MemberOfLibrary>RuntimeInfrastructure</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.MemberAccessException</BaseTypeName>
</Base>
<Interfaces />
<Docs>
<summary>
<para>Represents the error that occurs when there is an attempt to access a field outside
the scope in which access is permitted.</para>
</summary>
<remarks>
<para>
<block subset="none" type="note">This exception is typically thrown when the access
level of a field in a class library is changed, and
one or more assemblies referencing the library have not been recompiled.</block>
</para>
</remarks>
<example>
<para>The following example demonstrates a scenario under
which <see cref="T:System.FieldAccessException" />
is thrown.</para>
<para>The following code contains a class with a public field (myField). This class
is compiled into a class library.</para>
<code lang="C#">using System;
namespace TestNameSpace
{
public class Class1
{
public Class1()
{
Console.WriteLine ("Constructing with public field");
}
public int myField = -1;
}
}
</code>
<para>The following code references the class library above, and accesses
TestNameSpace.Class1.myField. This code is compiled into an application.</para>
<code lang="C#">using System;
using TestNameSpace;
class AppTest
{
public static void Main()
{
Class1 test = new Class1();
Console.WriteLine("Accessing member {0}.", test.myField);
}
}
</code>
<para>The output of the application is</para>
<c>
<para> Constructing with public field</para>
<para>Accessing member -1.</para>
</c>
<para>The code for the class library is changed and recompiled so that TestNameSpace.Class1.myField is no longer public. The following code changes
myField from public to private. </para>
<code lang="C#">using System;
namespace TestNameSpace
{
public class Class1
{
public Class1()
{
Console.WriteLine ("Constructing with private field");
}
private int myField = -1;
}
}
</code>
<para>When the application is executed again without being recompiled, the output
is</para>
<c>
<para> Unhandled Exception: System.FieldAccessException:
TestNameSpace.Class1.myField</para>
<para> at
AppTest.Main()</para>
</c>
</example>
</Docs>
<Members>
<Member MemberName=".ctor">
<MemberSignature Language="ILASM" Value="public rtspecialname specialname instance void .ctor()" />
<MemberSignature Language="C#" Value="public FieldAccessException ();" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters />
<Docs>
<summary>
<para>Constructs and initializes a new instance of the
<see cref="T:System.FieldAccessException" />
class.</para>
</summary>
<remarks>
<para>This constructor initializes the <see cref="!:System.FieldAccessException.Message" />
property of the new instance to a system-supplied message that describes the
error, such as "Attempted to access a private or protected field inside a type."
This message takes into account the current system culture.</para>
<para>The <see cref="!:System.FieldAccessException.InnerException" /> property of the new instance
is initialized to <see langword="null" /> .</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="ILASM" Value="public rtspecialname specialname instance void .ctor(string message)" />
<MemberSignature Language="C#" Value="public FieldAccessException (string message);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="message" Type="System.String" />
</Parameters>
<Docs>
<param name="message">A <see cref="T:System.String" /> that describes the error. The content of <paramref name="message" /> is intended to be understood by humans. The caller of this constructor is required to ensure that this string has been localized for the current system culture.</param>
<summary>
<para>Constructs and initializes a new instance of the
<see cref="T:System.FieldAccessException" />
class.</para>
</summary>
<remarks>
<para>This constructor initializes the <see cref="!:System.FieldAccessException.Message" />
property of the new instance using <paramref name="message" />. If <paramref name="message" /> is
<see langword="null" />, the <see cref="!:System.FieldAccessException.Message" /> property is initialized to the
system-supplied message provided by the constructor that takes no
arguments. </para>
<para> The <see cref="!:System.FieldAccessException.InnerException" /> property of
the new instance is initialized to <see langword="null" />.</para>
</remarks>
</Docs>
<Excluded>0</Excluded>
<AssemblyInfo>
<AssemblyVersion>1.0.5000.0</AssemblyVersion>
<AssemblyVersion>2.0.0.0</AssemblyVersion>
</AssemblyInfo>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="protected FieldAccessException (System.Runtime.Serialization.SerializationInfo info, System.Runtime.Serialization.StreamingContext context);" />
<MemberType>Constructor</MemberType>
<Parameters>
<Parameter Name="info" Type="System.Runtime.Serialization.SerializationInfo" />
<Parameter Name="context" Type="System.Runtime.Serialization.StreamingContext" />
</Parameters>
<Docs>
<param name="info">To be added.</param>
<param name="context">To be added.</param>
<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=".ctor">
<MemberSignature Language="ILASM" Value="public rtspecialname specialname instance void .ctor(string message, class System.Exception inner)" />
<MemberSignature Language="C#" Value="public FieldAccessException (string message, Exception innerException);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="message" Type="System.String" />
<Parameter Name="innerException" Type="System.Exception" />
</Parameters>
<Docs>
<param name="message">A <see cref="T:System.String" /> that describes the error. The content of <paramref name="message" /> is intended to be understood by humans. The caller of this constructor is required to ensure that this string has been localized for the current system culture.</param>
<param name="inner">An instance of <see cref="T:System.Exception" /> that is the cause of the current exception. If <paramref name="inner" /> is not a <see langword="null" /> reference, the current exception was raised in a catch block handling <paramref name="inner" /> .</param>
<param name="innerException">To be added.</param>
<summary>
<para>Constructs and initializes a new instance of the
<see cref="T:System.FieldAccessException" /> class.</para>
</summary>
<remarks>
<para>This constructor initializes the <see cref="!:System.FieldAccessException.Message" /> property of the new instance
using <paramref name="message" /> and the <see cref="!:System.FieldAccessException.InnerException" /> property using
<paramref name="inner" />. If <paramref name="message" /> is <see langword="null" />,
the <see cref="!:System.FieldAccessException.Message" /> property is initialized to the system-supplied message
provided by the constructor that takes no arguments. </para>
<block subset="none" type="note">For more information on inner
exceptions, see <see cref="P:System.Exception.InnerException" />.</block>
</remarks>
</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>
|
