System class
Type class, object class, String class, Arrary class, Console class, Exception class, GC class, MarshalByRefObject class, math class.
DateTime structure, GUID structure,
ICloneable interface, IComparable interface, IConvertible interface, IDisposable class,
Collection Class
ICollection interface, IComparer interface, IDictionary interface. IDictionaryEnumerator interface, IEnumerable interface,
IEnumerator interface, IHashCodeProvider interface, IList interface,
Stack class, Queue class Arrarylist class, Hashtable class, SortedList class CollectionBase class, Dictionbase class
Dictionentry structure.
Input and output
Word throttling
Stream class, BufferedStream class, FileStream class, Memorstream class
Binary I/O stream
BinaryReader class, BinaryWriter class.
Character I/O stream
TextReader class, TextWriter class, StreamReader class, StreamWriter class, StringReader class, StringReader class, StringWriter class.
I/O Enumeration
FileAccess enumerations, FileAttributes enumerations, FileMode enumerations, FileShare enumerations.
File system Action Class
FileSystemInfo class Directory class, DirectoryInfo class, File class, FileInfo class
Reflection
Application Hierarchy Classes
Assembly class, Module class,
Member Information class
MemberInfo class, MethodBase class, ConstructorInfo class, EventInfo class
Mainifestresourceinfo class MethodInfo class, ParameterInfo class, PropertyInfo class
Other members of the Systemreflection,
Binder class, BindingFlags enum Ireflect enum pointer class