|   EmptyTypes | Gets an empty array of types. | 
|   ApplicationBaseDirectory | Gets the base directory for this AppDomain. | 
|   ApplicationFriendlyName | Get this application's friendly name | 
|   ConfigurationFileLocation | Gets the path to the configuration file for the current AppDomain. | 
|   CurrentThreadId | Gets the ID of the current thread. | 
|   EntryAssemblyLocation | Gets the path to the file that first executed in the current AppDomain. | 
|   HostName | Get the host name or machine name for the current machine | 
|   NewLine | Gets the system dependent line terminator. | 
|   NotAvailableText | Text to output when an unsupported feature is requested. | 
|   NullText | Text to output when a nullis encountered. | 
|   ProcessStartTime | Get the start time for the current process. | 
|   AssemblyFileName | Gets the file name portion of the Assembly, including the extension. | 
|   AssemblyLocationInfo | Gets the assembly location path for the specified assembly. | 
|   AssemblyQualifiedName | Gets the fully qualified name of the Type, including the name of the assembly from which the Type was loaded. | 
|   AssemblyShortName | Gets the short name of the Assembly. | 
|   ConvertToFullPath | Convert a path into a fully qualified local file path. | 
|   CreateArgumentOutOfRangeException | Create an ArgumentOutOfRangeException | 
|   CreateCaseInsensitiveHashtable | Creates a new case-insensitive instance of the Hashtable class with the default initial capacity. | 
|   GetAppSetting | Lookup an application setting | 
|   GetTypeFromString | Overloaded. Loads the type specified in the type string. | 
|   NewGuid | Generate a new guid | 
|   TryParse | Overloaded. Parse a string into an Int32 value | 
|  Equals (inherited from Object) | Determines whether the specified Object is equal to the current Object. | 
|  GetHashCode (inherited from Object) | Serves as a hash function for a particular type, suitable for use in hashing algorithms and data structures like a hash table. | 
|  GetType (inherited from Object) | Gets the Type of the current instance. | 
|  ToString (inherited from Object) | Returns a String that represents the current Object. | 
SystemInfo Class | log4net.Util Namespace