UnauthorizedAccessException Class
.NET Framework 2.0
The exception that is thrown when the operating system denies access because of an I/O error or a specific type of security error.
Namespace: System
Assembly: mscorlib (in mscorlib.dll)
System Namespace
Exception Class
Assembly: mscorlib (in mscorlib.dll)
System.Object
System.Exception
System.SystemException
System.UnauthorizedAccessException
System.Security.AccessControl.PrivilegeNotHeldException
System.Exception
System.SystemException
System.UnauthorizedAccessException
System.Security.AccessControl.PrivilegeNotHeldException
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, 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.
Reference
UnauthorizedAccessException MembersSystem Namespace
Exception Class