Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Type.cs / 1458001 / Type.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
//
// File: Type.cs
//
// [....]
//
// Implements System.Type
//
// ======================================================================================
namespace System {
using System;
using System.Reflection;
using System.Reflection.Cache;
using System.Threading;
using System.Runtime;
using System.Runtime.Remoting;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Versioning;
using System.Diagnostics.Contracts;
using CultureInfo = System.Globalization.CultureInfo;
using StackCrawlMark = System.Threading.StackCrawlMark;
using DebuggerStepThroughAttribute = System.Diagnostics.DebuggerStepThroughAttribute;
[Serializable]
[ClassInterface(ClassInterfaceType.None)]
[ComDefaultInterface(typeof(_Type))]
[System.Runtime.InteropServices.ComVisible(true)]
[ContractClass(typeof(TypeContracts))]
public abstract class Type : MemberInfo, _Type, IReflect
{
public static readonly MemberFilter FilterAttribute;
public static readonly MemberFilter FilterName;
public static readonly MemberFilter FilterNameIgnoreCase;
public static readonly Object Missing = System.Reflection.Missing.Value;
public static readonly char Delimiter = '.';
// EmptyTypes is used to indicate that we are looking for someting without any parameters.
public readonly static Type[] EmptyTypes = new Type[0];
// The Default binder. We create a single one and expose that.
private static Binder defaultBinder;
// Because the current compiler doesn't support static delegates
// the _Filters object is an object that we create to contain all of
// the filters.
//private static final Type _filterClass = new RuntimeType();
static Type() {
__Filters _filterClass = new __Filters();
FilterAttribute = new MemberFilter(_filterClass.FilterAttribute);
FilterName = new MemberFilter(_filterClass.FilterName);
FilterNameIgnoreCase = new MemberFilter(_filterClass.FilterIgnoreCase);
}
// Prevent from begin created, and allow subclass
// to create.
protected Type() {}
// MemberInfo Methods....
// The Member type Field.
public override MemberTypes MemberType {
get {return System.Reflection.MemberTypes.TypeInfo;}
}
// Return the class that declared this type.
public override Type DeclaringType {
get {return null;}
}
public virtual MethodBase DeclaringMethod { get { return null; } }
// Return the class that was used to obtain this type.
public override Type ReflectedType
{
get {return null;}
}
////////////////////////////////////////////////////////////////////////////////
// This is a static method that returns a Class based upon the name of the class
// (this name needs to be fully qualified with the package name and is
// case-sensitive by default).
////
// this method is required so Object.GetType is not made virtual by the compiler
// _Type.GetType()
public new Type GetType()
{
return base.GetType();
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName, bool throwOnError, bool ignoreCase) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, ignoreCase, false, ref stackMark);
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName, bool throwOnError) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, false, false, ref stackMark);
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, false, false, false, ref stackMark);
}
#if !FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, false, false, ref stackMark);
}
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver,
bool throwOnError)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, false, ref stackMark);
}
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver,
bool throwOnError,
bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, ignoreCase, ref stackMark);
}
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type ReflectionOnlyGetType(String typeName, bool throwIfNotFound, bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwIfNotFound, ignoreCase, true /*reflectionOnly*/, ref stackMark);
}
public virtual Type MakePointerType() { throw new NotSupportedException(); }
public virtual StructLayoutAttribute StructLayoutAttribute { get { throw new NotSupportedException(); } }
public virtual Type MakeByRefType() { throw new NotSupportedException(); }
public virtual Type MakeArrayType() { throw new NotSupportedException(); }
public virtual Type MakeArrayType(int rank) { throw new NotSupportedException(); }
#if FEATURE_COMINTEROP
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the progID. This is provided for
// COM classic support. Program ID's are not used in COM+ because they
// have been superceded by namespace. (This routine is called this instead
// of getClass() because of the name conflict with the first method above.)
//
// param progID: the progID of the class to retrieve
// returns: the class object associated to the progID
////
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, null, false);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the progID. This is provided for
// COM classic support. Program ID's are not used in COM+ because they
// have been superceded by namespace. (This routine is called this instead
// of getClass() because of the name conflict with the first method above.)
//
// param progID: the progID of the class to retrieve
// returns: the class object associated to the progID
////
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, bool throwOnError)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, null, throwOnError);
}
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, String server)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, server, false);
}
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, server, throwOnError);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the CLSID. This is provided for
// COM classic support.
//
// param CLSID: the CLSID of the class to retrieve
// returns: the class object associated to the CLSID
////
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, null, false);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, bool throwOnError)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, null, throwOnError);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, String server)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, server, false);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, server, throwOnError);
}
#endif // FEATURE_COMINTEROP
internal string SigToString()
{
Type elementType = this;
while(elementType.HasElementType)
elementType = elementType.GetElementType();
if (elementType.IsNested)
return Name;
string sigToString = ToString();
if (elementType.IsPrimitive ||
elementType == typeof(void) ||
elementType == typeof(TypedReference))
sigToString = sigToString.Substring(@"System.".Length);
return sigToString;
}
// GetTypeCode
// This method will return a TypeCode for the passed
// type.
public static TypeCode GetTypeCode(Type type)
{
if (type == null)
return TypeCode.Empty;
return type.GetTypeCodeImpl();
}
protected virtual TypeCode GetTypeCodeImpl()
{
// System.RuntimeType overrides GetTypeCodeInternal
// so we can assume that this is not a runtime type
// this is true for EnumBuilder but not the other System.Type subclasses in BCL
if (this != UnderlyingSystemType && UnderlyingSystemType != null)
return Type.GetTypeCode(UnderlyingSystemType);
return TypeCode.Object;
}
// Property representing the GUID associated with a class.
public abstract Guid GUID {
get;
}
// Return the Default binder used by the system.
static public Binder DefaultBinder {
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
get {
// Allocate the default binder if it hasn't been allocated yet.
if (defaultBinder == null)
CreateBinder();
return defaultBinder;
}
}
static private void CreateBinder()
{
if (defaultBinder == null)
{
DefaultBinder binder = new DefaultBinder();
Interlocked.CompareExchange(ref defaultBinder, binder, null);
}
}
// Description of the Binding Process.
// We must invoke a method that is accessable and for which the provided
// parameters have the most specific match. A method may be called if
// 1. The number of parameters in the method declaration equals the number of
// arguments provided to the invocation
// 2. The type of each argument can be converted by the binder to the
// type of the type of the parameter.
//
// The binder will find all of the matching methods. These method are found based
// upon the type of binding requested (MethodInvoke, Get/Set Properties). The set
// of methods is filtered by the name, number of arguments and a set of search modifiers
// defined in the Binder.
//
// After the method is selected, it will be invoked. Accessability is checked
// at that point. The search may be control which set of methods are searched based
// upon the accessibility attribute associated with the method.
//
// The BindToMethod method is responsible for selecting the method to be invoked.
// For the default binder, the most specific method will be selected.
//
// This will invoke a specific member...
abstract public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder,Object target,
Object[] args, ParameterModifier[] modifiers,CultureInfo culture,String[] namedParameters);
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder, Object target, Object[] args, CultureInfo culture)
{
return InvokeMember(name,invokeAttr,binder,target,args,null,culture,null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder, Object target, Object[] args)
{
return InvokeMember(name,invokeAttr,binder,target,args,null,null,null);
}
// Module Property associated with a class.
// _Type.Module
public new abstract Module Module { get; }
// Assembly Property associated with a class.
public abstract Assembly Assembly {
get;
}
// A class handle is a unique integer value associated with
// each class. The handle is unique during the process life time.
public virtual RuntimeTypeHandle TypeHandle
{
get
{
throw new NotSupportedException();
}
}
internal virtual RuntimeTypeHandle GetTypeHandleInternal() {
return TypeHandle;
}
public static RuntimeTypeHandle GetTypeHandle(Object o)
{
if (o == null)
throw new ArgumentNullException(null, Environment.GetResourceString("Arg_InvalidHandle"));
//
return new RuntimeTypeHandle((RuntimeType)o.GetType());
}
// Given a class handle, this will return the class for that handle.
[System.Security.SecurityCritical]
[ResourceExposure(ResourceScope.None)]
[MethodImpl(MethodImplOptions.InternalCall)]
internal static extern RuntimeType GetTypeFromHandleUnsafe(IntPtr handle);
[System.Security.SecuritySafeCritical] // auto-generated
[ResourceExposure(ResourceScope.None)]
[MethodImpl(MethodImplOptions.InternalCall)]
public static extern Type GetTypeFromHandle(RuntimeTypeHandle handle);
// Return the fully qualified name. The name does contain the namespace.
public abstract String FullName {
get;
}
// Return the name space of the class.
public abstract String Namespace {
get;
}
public abstract String AssemblyQualifiedName {
get;
}
public virtual int GetArrayRank() {
Contract.Ensures(Contract.Result() >= 0);
throw new NotSupportedException(Environment.GetResourceString("NotSupported_SubclassOverride"));
}
// Returns the base class for a class. If this is an interface or has
// no base class null is returned. Object is the only Type that does not
// have a base class.
public abstract Type BaseType {
get;
}
// GetConstructor
// This method will search for the specified constructor. For constructors,
// unlike everything else, the default is to not look for static methods. The
// reason is that we don't typically expose the class initializer.
[System.Runtime.InteropServices.ComVisible(true)]
public ConstructorInfo GetConstructor(BindingFlags bindingAttr,
Binder binder,
CallingConventions callConvention,
Type[] types,
ParameterModifier[] modifiers)
{
// Must provide some types (Type[0] for nothing)
if (types == null)
throw new ArgumentNullException("types");
Contract.EndContractBlock();
for (int i=0;i 0)
{
names[j] = names[j - 1];
values[j] = values[j - 1];
j--;
exchanged = true;
if (j == 0)
break;
}
if (exchanged)
{
names[j] = tempStr;
values[j] = val;
}
}
enumNames = names;
enumValues = values;
}
public virtual Type GetEnumUnderlyingType()
{
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
FieldInfo[] fields = GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (fields == null || fields.Length != 1)
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidEnum"), "enumType");
return fields[0].FieldType;
}
public virtual bool IsEnumDefined(object value)
{
if (value == null)
throw new ArgumentNullException("value");
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
Contract.EndContractBlock();
// Check if both of them are of the same type
Type valueType = value.GetType();
// If the value is an Enum then we need to extract the underlying value from it
if (valueType.IsEnum)
{
if (!valueType.IsEquivalentTo(this))
throw new ArgumentException(Environment.GetResourceString("Arg_EnumAndObjectMustBeSameType", valueType.ToString(), this.ToString()));
valueType = valueType.GetEnumUnderlyingType();
}
// If a string is passed in
if (valueType == typeof(string))
{
string[] names = GetEnumNames();
if (Array.IndexOf(names, value) >= 0)
return true;
else
return false;
}
// If an enum or integer value is passed in
if (Type.IsIntegerType(valueType))
{
Type underlyingType = GetEnumUnderlyingType();
// We cannot compare the types directly because valueType is always a runtime type but underlyingType might not be.
if (underlyingType.GetTypeCodeImpl() != valueType.GetTypeCodeImpl())
throw new ArgumentException(Environment.GetResourceString("Arg_EnumUnderlyingTypeAndObjectMustBeSameType", valueType.ToString(), underlyingType.ToString()));
Array values = GetEnumRawConstantValues();
return (BinarySearch(values, value) >= 0);
}
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_UnknownEnumType"));
}
public virtual string GetEnumName(object value)
{
if (value == null)
throw new ArgumentNullException("value");
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
Contract.EndContractBlock();
Type valueType = value.GetType();
if (!(valueType.IsEnum || Type.IsIntegerType(valueType)))
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnumBaseTypeOrEnum"), "value");
Array values = GetEnumRawConstantValues();
int index = BinarySearch(values, value);
if (index >= 0)
{
string[] names = GetEnumNames();
return names[index];
}
return null;
}
// Convert everything to ulong then perform a binary search.
private static int BinarySearch(Array array, object value)
{
ulong[] ulArray = new ulong[array.Length];
for (int i = 0; i < array.Length; ++i)
ulArray[i] = Enum.ToUInt64(array.GetValue(i));
ulong ulValue = Enum.ToUInt64(value);
return Array.BinarySearch(ulArray, ulValue);
}
internal static bool IsIntegerType(Type t)
{
return (t == typeof(int) ||
t == typeof(short) ||
t == typeof(ushort) ||
t == typeof(byte) ||
t == typeof(sbyte) ||
t == typeof(uint) ||
t == typeof(long) ||
t == typeof(ulong));
}
#endregion
public virtual bool IsSecurityCritical { get { throw new NotImplementedException(); } }
public virtual bool IsSecuritySafeCritical { get { throw new NotImplementedException(); } }
public virtual bool IsSecurityTransparent { get { throw new NotImplementedException(); } }
internal bool NeedsReflectionSecurityCheck
{
get
{
if (!IsVisible)
{
// Types which are not externally visible require security checks
return true;
}
else if (IsSecurityCritical && !IsSecuritySafeCritical)
{
// Critical types require security checks
return true;
}
else if (IsGenericType)
{
// If any of the generic arguments to this type require a security check, then this type
// also requires one.
foreach (Type genericArgument in GetGenericArguments())
{
if (genericArgument.NeedsReflectionSecurityCheck)
{
return true;
}
}
}
else if (IsArray || IsPointer)
{
return GetElementType().NeedsReflectionSecurityCheck;
}
return false;
}
}
// Return the underlying Type that represents the IReflect Object. For expando object,
// this is the (Object) IReflectInstance.GetType(). For Type object it is this.
public abstract Type UnderlyingSystemType {
get;
}
// Returns true of this class is a true subclass of c. Everything
// else returns false. If this class and c are the same class false is
// returned.
//
[System.Runtime.InteropServices.ComVisible(true)]
[Pure]
public virtual bool IsSubclassOf(Type c)
{
Type p = this;
if (p == c)
return false;
while (p != null) {
if (p == c)
return true;
p = p.BaseType;
}
return false;
}
// Returns true if the object passed is assignable to an instance of this class.
// Everything else returns false.
//
[System.Security.SecuritySafeCritical] // auto-generated
public virtual bool IsInstanceOfType(Object o)
{
if (o == null)
return false;
// No need for transparent proxy casting check here
// because it never returns true for a non-rutnime type.
return IsAssignableFrom(o.GetType());
}
// Returns true if an instance of Type c may be assigned
// to an instance of this class. Return false otherwise.
//
[System.Security.SecuritySafeCritical] // auto-generated
public virtual bool IsAssignableFrom(Type c)
{
if (c == null)
return false;
if (this == c)
return true;
// For backward-compatibility, we need to special case for the types
// whose UnderlyingSystemType are RuntimeType objects.
RuntimeType toType = this.UnderlyingSystemType as RuntimeType;
if (toType != null)
return toType.IsAssignableFrom(c);
// If c is a subclass of this class, then c can be cast to this type.
if (c.IsSubclassOf(this))
return true;
if (this.IsInterface)
{
return c.ImplementInterface(this);
}
else if (IsGenericParameter)
{
Type[] constraints = GetGenericParameterConstraints();
for (int i = 0; i < constraints.Length; i++)
if (!constraints[i].IsAssignableFrom(c))
return false;
return true;
}
return false;
}
// Base implementation that does only ==.
public virtual bool IsEquivalentTo(Type other)
{
return (this == other);
}
internal bool ImplementInterface(Type ifaceType)
{
Contract.Requires(ifaceType != null);
Contract.Requires(ifaceType.IsInterface, "ifaceType must be an interface type");
Type t = this;
while (t != null)
{
Type[] interfaces = t.GetInterfaces();
if (interfaces != null)
{
for (int i = 0; i < interfaces.Length; i++)
{
// Interfaces don't derive from other interfaces, they implement them.
// So instead of IsSubclassOf, we should use ImplementInterface instead.
if (interfaces[i] == ifaceType ||
(interfaces[i] != null && interfaces[i].ImplementInterface(ifaceType)))
return true;
}
}
t = t.BaseType;
}
return false;
}
// ToString
// Print the String Representation of the Type
public override String ToString()
{
return "Type: "+Name;
}
// This method will return an array of classes based upon the array of
// types.
public static Type[] GetTypeArray(Object[] args) {
if (args == null)
throw new ArgumentNullException("args");
Contract.EndContractBlock();
Type[] cls = new Type[args.Length];
for (int i = 0;i < cls.Length;i++)
{
if (args[i] == null)
throw new ArgumentNullException();
cls[i] = args[i].GetType();
}
return cls;
}
public override bool Equals(Object o)
{
if (o == null)
return false;
return Equals(o as Type);
}
// _Type.Equals(Type)
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
public virtual bool Equals(Type o)
{
if ((object)o == null)
return false;
return (Object.ReferenceEquals(this.UnderlyingSystemType, o.UnderlyingSystemType));
}
#if !FEATURE_CORECLR
[System.Security.SecuritySafeCritical]
[Pure]
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator ==(Type left, Type right);
[System.Security.SecuritySafeCritical]
[Pure]
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator !=(Type left, Type right);
#endif // !FEATURE_CORECLR
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
public override int GetHashCode()
{
Type SystemType = UnderlyingSystemType;
if (!Object.ReferenceEquals(SystemType, this))
return SystemType.GetHashCode();
return base.GetHashCode();
}
// GetInterfaceMap
// This method will return an interface mapping for the interface
// requested. It will throw an argument exception if the Type doesn't
// implemenet the interface.
[System.Runtime.InteropServices.ComVisible(true)]
public virtual InterfaceMapping GetInterfaceMap(Type interfaceType)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_SubclassOverride"));
}
void _Type.GetTypeInfoCount(out uint pcTInfo)
{
throw new NotImplementedException();
}
void _Type.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException();
}
void _Type.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException();
}
void _Type.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException();
}
// private convenience data
private const BindingFlags DefaultLookup = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public;
}
[ContractClassFor(typeof(Type))]
internal abstract class TypeContracts : Type
{
public override FieldInfo[] GetFields(BindingFlags bindingAttr)
{
Contract.Ensures(Contract.Result() != null);
// @
return Contract.Result();
}
public new static Type GetTypeFromHandle(RuntimeTypeHandle handle)
{
Contract.Ensures(Contract.Result() != null);
return Contract.Result();
}
public override Type[] GetInterfaces()
{
Contract.Ensures(Contract.Result() != null);
return Contract.Result();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
//
// File: Type.cs
//
// [....]
//
// Implements System.Type
//
// ======================================================================================
namespace System {
using System;
using System.Reflection;
using System.Reflection.Cache;
using System.Threading;
using System.Runtime;
using System.Runtime.Remoting;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.Versioning;
using System.Diagnostics.Contracts;
using CultureInfo = System.Globalization.CultureInfo;
using StackCrawlMark = System.Threading.StackCrawlMark;
using DebuggerStepThroughAttribute = System.Diagnostics.DebuggerStepThroughAttribute;
[Serializable]
[ClassInterface(ClassInterfaceType.None)]
[ComDefaultInterface(typeof(_Type))]
[System.Runtime.InteropServices.ComVisible(true)]
[ContractClass(typeof(TypeContracts))]
public abstract class Type : MemberInfo, _Type, IReflect
{
public static readonly MemberFilter FilterAttribute;
public static readonly MemberFilter FilterName;
public static readonly MemberFilter FilterNameIgnoreCase;
public static readonly Object Missing = System.Reflection.Missing.Value;
public static readonly char Delimiter = '.';
// EmptyTypes is used to indicate that we are looking for someting without any parameters.
public readonly static Type[] EmptyTypes = new Type[0];
// The Default binder. We create a single one and expose that.
private static Binder defaultBinder;
// Because the current compiler doesn't support static delegates
// the _Filters object is an object that we create to contain all of
// the filters.
//private static final Type _filterClass = new RuntimeType();
static Type() {
__Filters _filterClass = new __Filters();
FilterAttribute = new MemberFilter(_filterClass.FilterAttribute);
FilterName = new MemberFilter(_filterClass.FilterName);
FilterNameIgnoreCase = new MemberFilter(_filterClass.FilterIgnoreCase);
}
// Prevent from begin created, and allow subclass
// to create.
protected Type() {}
// MemberInfo Methods....
// The Member type Field.
public override MemberTypes MemberType {
get {return System.Reflection.MemberTypes.TypeInfo;}
}
// Return the class that declared this type.
public override Type DeclaringType {
get {return null;}
}
public virtual MethodBase DeclaringMethod { get { return null; } }
// Return the class that was used to obtain this type.
public override Type ReflectedType
{
get {return null;}
}
////////////////////////////////////////////////////////////////////////////////
// This is a static method that returns a Class based upon the name of the class
// (this name needs to be fully qualified with the package name and is
// case-sensitive by default).
////
// this method is required so Object.GetType is not made virtual by the compiler
// _Type.GetType()
public new Type GetType()
{
return base.GetType();
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName, bool throwOnError, bool ignoreCase) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, ignoreCase, false, ref stackMark);
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName, bool throwOnError) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwOnError, false, false, ref stackMark);
}
[System.Security.SecuritySafeCritical] // auto-generated
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(String typeName) {
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, false, false, false, ref stackMark);
}
#if !FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, false, false, ref stackMark);
}
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver,
bool throwOnError)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, false, ref stackMark);
}
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type GetType(
string typeName,
Func assemblyResolver,
Func typeResolver,
bool throwOnError,
bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return TypeNameParser.GetType(typeName, assemblyResolver, typeResolver, throwOnError, ignoreCase, ref stackMark);
}
#endif //!FEATURE_CORECLR
[MethodImplAttribute(MethodImplOptions.NoInlining)] // Methods containing StackCrawlMark local var has to be marked non-inlineable
public static Type ReflectionOnlyGetType(String typeName, bool throwIfNotFound, bool ignoreCase)
{
StackCrawlMark stackMark = StackCrawlMark.LookForMyCaller;
return RuntimeType.GetType(typeName, throwIfNotFound, ignoreCase, true /*reflectionOnly*/, ref stackMark);
}
public virtual Type MakePointerType() { throw new NotSupportedException(); }
public virtual StructLayoutAttribute StructLayoutAttribute { get { throw new NotSupportedException(); } }
public virtual Type MakeByRefType() { throw new NotSupportedException(); }
public virtual Type MakeArrayType() { throw new NotSupportedException(); }
public virtual Type MakeArrayType(int rank) { throw new NotSupportedException(); }
#if FEATURE_COMINTEROP
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the progID. This is provided for
// COM classic support. Program ID's are not used in COM+ because they
// have been superceded by namespace. (This routine is called this instead
// of getClass() because of the name conflict with the first method above.)
//
// param progID: the progID of the class to retrieve
// returns: the class object associated to the progID
////
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, null, false);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the progID. This is provided for
// COM classic support. Program ID's are not used in COM+ because they
// have been superceded by namespace. (This routine is called this instead
// of getClass() because of the name conflict with the first method above.)
//
// param progID: the progID of the class to retrieve
// returns: the class object associated to the progID
////
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, bool throwOnError)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, null, throwOnError);
}
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, String server)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, server, false);
}
[System.Security.SecurityCritical] // auto-generated_required
public static Type GetTypeFromProgID(String progID, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromProgIDImpl(progID, server, throwOnError);
}
////////////////////////////////////////////////////////////////////////////////
// This will return a class based upon the CLSID. This is provided for
// COM classic support.
//
// param CLSID: the CLSID of the class to retrieve
// returns: the class object associated to the CLSID
////
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, null, false);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, bool throwOnError)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, null, throwOnError);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, String server)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, server, false);
}
[System.Security.SecuritySafeCritical] // auto-generated
public static Type GetTypeFromCLSID(Guid clsid, String server, bool throwOnError)
{
return RuntimeType.GetTypeFromCLSIDImpl(clsid, server, throwOnError);
}
#endif // FEATURE_COMINTEROP
internal string SigToString()
{
Type elementType = this;
while(elementType.HasElementType)
elementType = elementType.GetElementType();
if (elementType.IsNested)
return Name;
string sigToString = ToString();
if (elementType.IsPrimitive ||
elementType == typeof(void) ||
elementType == typeof(TypedReference))
sigToString = sigToString.Substring(@"System.".Length);
return sigToString;
}
// GetTypeCode
// This method will return a TypeCode for the passed
// type.
public static TypeCode GetTypeCode(Type type)
{
if (type == null)
return TypeCode.Empty;
return type.GetTypeCodeImpl();
}
protected virtual TypeCode GetTypeCodeImpl()
{
// System.RuntimeType overrides GetTypeCodeInternal
// so we can assume that this is not a runtime type
// this is true for EnumBuilder but not the other System.Type subclasses in BCL
if (this != UnderlyingSystemType && UnderlyingSystemType != null)
return Type.GetTypeCode(UnderlyingSystemType);
return TypeCode.Object;
}
// Property representing the GUID associated with a class.
public abstract Guid GUID {
get;
}
// Return the Default binder used by the system.
static public Binder DefaultBinder {
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
get {
// Allocate the default binder if it hasn't been allocated yet.
if (defaultBinder == null)
CreateBinder();
return defaultBinder;
}
}
static private void CreateBinder()
{
if (defaultBinder == null)
{
DefaultBinder binder = new DefaultBinder();
Interlocked.CompareExchange(ref defaultBinder, binder, null);
}
}
// Description of the Binding Process.
// We must invoke a method that is accessable and for which the provided
// parameters have the most specific match. A method may be called if
// 1. The number of parameters in the method declaration equals the number of
// arguments provided to the invocation
// 2. The type of each argument can be converted by the binder to the
// type of the type of the parameter.
//
// The binder will find all of the matching methods. These method are found based
// upon the type of binding requested (MethodInvoke, Get/Set Properties). The set
// of methods is filtered by the name, number of arguments and a set of search modifiers
// defined in the Binder.
//
// After the method is selected, it will be invoked. Accessability is checked
// at that point. The search may be control which set of methods are searched based
// upon the accessibility attribute associated with the method.
//
// The BindToMethod method is responsible for selecting the method to be invoked.
// For the default binder, the most specific method will be selected.
//
// This will invoke a specific member...
abstract public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder,Object target,
Object[] args, ParameterModifier[] modifiers,CultureInfo culture,String[] namedParameters);
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder, Object target, Object[] args, CultureInfo culture)
{
return InvokeMember(name,invokeAttr,binder,target,args,null,culture,null);
}
[DebuggerStepThroughAttribute]
[Diagnostics.DebuggerHidden]
public Object InvokeMember(String name,BindingFlags invokeAttr,Binder binder, Object target, Object[] args)
{
return InvokeMember(name,invokeAttr,binder,target,args,null,null,null);
}
// Module Property associated with a class.
// _Type.Module
public new abstract Module Module { get; }
// Assembly Property associated with a class.
public abstract Assembly Assembly {
get;
}
// A class handle is a unique integer value associated with
// each class. The handle is unique during the process life time.
public virtual RuntimeTypeHandle TypeHandle
{
get
{
throw new NotSupportedException();
}
}
internal virtual RuntimeTypeHandle GetTypeHandleInternal() {
return TypeHandle;
}
public static RuntimeTypeHandle GetTypeHandle(Object o)
{
if (o == null)
throw new ArgumentNullException(null, Environment.GetResourceString("Arg_InvalidHandle"));
//
return new RuntimeTypeHandle((RuntimeType)o.GetType());
}
// Given a class handle, this will return the class for that handle.
[System.Security.SecurityCritical]
[ResourceExposure(ResourceScope.None)]
[MethodImpl(MethodImplOptions.InternalCall)]
internal static extern RuntimeType GetTypeFromHandleUnsafe(IntPtr handle);
[System.Security.SecuritySafeCritical] // auto-generated
[ResourceExposure(ResourceScope.None)]
[MethodImpl(MethodImplOptions.InternalCall)]
public static extern Type GetTypeFromHandle(RuntimeTypeHandle handle);
// Return the fully qualified name. The name does contain the namespace.
public abstract String FullName {
get;
}
// Return the name space of the class.
public abstract String Namespace {
get;
}
public abstract String AssemblyQualifiedName {
get;
}
public virtual int GetArrayRank() {
Contract.Ensures(Contract.Result() >= 0);
throw new NotSupportedException(Environment.GetResourceString("NotSupported_SubclassOverride"));
}
// Returns the base class for a class. If this is an interface or has
// no base class null is returned. Object is the only Type that does not
// have a base class.
public abstract Type BaseType {
get;
}
// GetConstructor
// This method will search for the specified constructor. For constructors,
// unlike everything else, the default is to not look for static methods. The
// reason is that we don't typically expose the class initializer.
[System.Runtime.InteropServices.ComVisible(true)]
public ConstructorInfo GetConstructor(BindingFlags bindingAttr,
Binder binder,
CallingConventions callConvention,
Type[] types,
ParameterModifier[] modifiers)
{
// Must provide some types (Type[0] for nothing)
if (types == null)
throw new ArgumentNullException("types");
Contract.EndContractBlock();
for (int i=0;i 0)
{
names[j] = names[j - 1];
values[j] = values[j - 1];
j--;
exchanged = true;
if (j == 0)
break;
}
if (exchanged)
{
names[j] = tempStr;
values[j] = val;
}
}
enumNames = names;
enumValues = values;
}
public virtual Type GetEnumUnderlyingType()
{
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
FieldInfo[] fields = GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
if (fields == null || fields.Length != 1)
throw new ArgumentException(Environment.GetResourceString("Argument_InvalidEnum"), "enumType");
return fields[0].FieldType;
}
public virtual bool IsEnumDefined(object value)
{
if (value == null)
throw new ArgumentNullException("value");
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
Contract.EndContractBlock();
// Check if both of them are of the same type
Type valueType = value.GetType();
// If the value is an Enum then we need to extract the underlying value from it
if (valueType.IsEnum)
{
if (!valueType.IsEquivalentTo(this))
throw new ArgumentException(Environment.GetResourceString("Arg_EnumAndObjectMustBeSameType", valueType.ToString(), this.ToString()));
valueType = valueType.GetEnumUnderlyingType();
}
// If a string is passed in
if (valueType == typeof(string))
{
string[] names = GetEnumNames();
if (Array.IndexOf(names, value) >= 0)
return true;
else
return false;
}
// If an enum or integer value is passed in
if (Type.IsIntegerType(valueType))
{
Type underlyingType = GetEnumUnderlyingType();
// We cannot compare the types directly because valueType is always a runtime type but underlyingType might not be.
if (underlyingType.GetTypeCodeImpl() != valueType.GetTypeCodeImpl())
throw new ArgumentException(Environment.GetResourceString("Arg_EnumUnderlyingTypeAndObjectMustBeSameType", valueType.ToString(), underlyingType.ToString()));
Array values = GetEnumRawConstantValues();
return (BinarySearch(values, value) >= 0);
}
throw new InvalidOperationException(Environment.GetResourceString("InvalidOperation_UnknownEnumType"));
}
public virtual string GetEnumName(object value)
{
if (value == null)
throw new ArgumentNullException("value");
if (!IsEnum)
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnum"), "enumType");
Contract.EndContractBlock();
Type valueType = value.GetType();
if (!(valueType.IsEnum || Type.IsIntegerType(valueType)))
throw new ArgumentException(Environment.GetResourceString("Arg_MustBeEnumBaseTypeOrEnum"), "value");
Array values = GetEnumRawConstantValues();
int index = BinarySearch(values, value);
if (index >= 0)
{
string[] names = GetEnumNames();
return names[index];
}
return null;
}
// Convert everything to ulong then perform a binary search.
private static int BinarySearch(Array array, object value)
{
ulong[] ulArray = new ulong[array.Length];
for (int i = 0; i < array.Length; ++i)
ulArray[i] = Enum.ToUInt64(array.GetValue(i));
ulong ulValue = Enum.ToUInt64(value);
return Array.BinarySearch(ulArray, ulValue);
}
internal static bool IsIntegerType(Type t)
{
return (t == typeof(int) ||
t == typeof(short) ||
t == typeof(ushort) ||
t == typeof(byte) ||
t == typeof(sbyte) ||
t == typeof(uint) ||
t == typeof(long) ||
t == typeof(ulong));
}
#endregion
public virtual bool IsSecurityCritical { get { throw new NotImplementedException(); } }
public virtual bool IsSecuritySafeCritical { get { throw new NotImplementedException(); } }
public virtual bool IsSecurityTransparent { get { throw new NotImplementedException(); } }
internal bool NeedsReflectionSecurityCheck
{
get
{
if (!IsVisible)
{
// Types which are not externally visible require security checks
return true;
}
else if (IsSecurityCritical && !IsSecuritySafeCritical)
{
// Critical types require security checks
return true;
}
else if (IsGenericType)
{
// If any of the generic arguments to this type require a security check, then this type
// also requires one.
foreach (Type genericArgument in GetGenericArguments())
{
if (genericArgument.NeedsReflectionSecurityCheck)
{
return true;
}
}
}
else if (IsArray || IsPointer)
{
return GetElementType().NeedsReflectionSecurityCheck;
}
return false;
}
}
// Return the underlying Type that represents the IReflect Object. For expando object,
// this is the (Object) IReflectInstance.GetType(). For Type object it is this.
public abstract Type UnderlyingSystemType {
get;
}
// Returns true of this class is a true subclass of c. Everything
// else returns false. If this class and c are the same class false is
// returned.
//
[System.Runtime.InteropServices.ComVisible(true)]
[Pure]
public virtual bool IsSubclassOf(Type c)
{
Type p = this;
if (p == c)
return false;
while (p != null) {
if (p == c)
return true;
p = p.BaseType;
}
return false;
}
// Returns true if the object passed is assignable to an instance of this class.
// Everything else returns false.
//
[System.Security.SecuritySafeCritical] // auto-generated
public virtual bool IsInstanceOfType(Object o)
{
if (o == null)
return false;
// No need for transparent proxy casting check here
// because it never returns true for a non-rutnime type.
return IsAssignableFrom(o.GetType());
}
// Returns true if an instance of Type c may be assigned
// to an instance of this class. Return false otherwise.
//
[System.Security.SecuritySafeCritical] // auto-generated
public virtual bool IsAssignableFrom(Type c)
{
if (c == null)
return false;
if (this == c)
return true;
// For backward-compatibility, we need to special case for the types
// whose UnderlyingSystemType are RuntimeType objects.
RuntimeType toType = this.UnderlyingSystemType as RuntimeType;
if (toType != null)
return toType.IsAssignableFrom(c);
// If c is a subclass of this class, then c can be cast to this type.
if (c.IsSubclassOf(this))
return true;
if (this.IsInterface)
{
return c.ImplementInterface(this);
}
else if (IsGenericParameter)
{
Type[] constraints = GetGenericParameterConstraints();
for (int i = 0; i < constraints.Length; i++)
if (!constraints[i].IsAssignableFrom(c))
return false;
return true;
}
return false;
}
// Base implementation that does only ==.
public virtual bool IsEquivalentTo(Type other)
{
return (this == other);
}
internal bool ImplementInterface(Type ifaceType)
{
Contract.Requires(ifaceType != null);
Contract.Requires(ifaceType.IsInterface, "ifaceType must be an interface type");
Type t = this;
while (t != null)
{
Type[] interfaces = t.GetInterfaces();
if (interfaces != null)
{
for (int i = 0; i < interfaces.Length; i++)
{
// Interfaces don't derive from other interfaces, they implement them.
// So instead of IsSubclassOf, we should use ImplementInterface instead.
if (interfaces[i] == ifaceType ||
(interfaces[i] != null && interfaces[i].ImplementInterface(ifaceType)))
return true;
}
}
t = t.BaseType;
}
return false;
}
// ToString
// Print the String Representation of the Type
public override String ToString()
{
return "Type: "+Name;
}
// This method will return an array of classes based upon the array of
// types.
public static Type[] GetTypeArray(Object[] args) {
if (args == null)
throw new ArgumentNullException("args");
Contract.EndContractBlock();
Type[] cls = new Type[args.Length];
for (int i = 0;i < cls.Length;i++)
{
if (args[i] == null)
throw new ArgumentNullException();
cls[i] = args[i].GetType();
}
return cls;
}
public override bool Equals(Object o)
{
if (o == null)
return false;
return Equals(o as Type);
}
// _Type.Equals(Type)
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
public virtual bool Equals(Type o)
{
if ((object)o == null)
return false;
return (Object.ReferenceEquals(this.UnderlyingSystemType, o.UnderlyingSystemType));
}
#if !FEATURE_CORECLR
[System.Security.SecuritySafeCritical]
[Pure]
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator ==(Type left, Type right);
[System.Security.SecuritySafeCritical]
[Pure]
[ResourceExposure(ResourceScope.None)]
[MethodImplAttribute(MethodImplOptions.InternalCall)]
public static extern bool operator !=(Type left, Type right);
#endif // !FEATURE_CORECLR
#if !FEATURE_CORECLR
[TargetedPatchingOptOut("Performance critical to inline across NGen image boundaries")]
#endif
public override int GetHashCode()
{
Type SystemType = UnderlyingSystemType;
if (!Object.ReferenceEquals(SystemType, this))
return SystemType.GetHashCode();
return base.GetHashCode();
}
// GetInterfaceMap
// This method will return an interface mapping for the interface
// requested. It will throw an argument exception if the Type doesn't
// implemenet the interface.
[System.Runtime.InteropServices.ComVisible(true)]
public virtual InterfaceMapping GetInterfaceMap(Type interfaceType)
{
throw new NotSupportedException(Environment.GetResourceString("NotSupported_SubclassOverride"));
}
void _Type.GetTypeInfoCount(out uint pcTInfo)
{
throw new NotImplementedException();
}
void _Type.GetTypeInfo(uint iTInfo, uint lcid, IntPtr ppTInfo)
{
throw new NotImplementedException();
}
void _Type.GetIDsOfNames([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
{
throw new NotImplementedException();
}
void _Type.Invoke(uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
{
throw new NotImplementedException();
}
// private convenience data
private const BindingFlags DefaultLookup = BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public;
}
[ContractClassFor(typeof(Type))]
internal abstract class TypeContracts : Type
{
public override FieldInfo[] GetFields(BindingFlags bindingAttr)
{
Contract.Ensures(Contract.Result() != null);
// @
return Contract.Result();
}
public new static Type GetTypeFromHandle(RuntimeTypeHandle handle)
{
Contract.Ensures(Contract.Result() != null);
return Contract.Result();
}
public override Type[] GetInterfaces()
{
Contract.Ensures(Contract.Result() != null);
return Contract.Result();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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- DataGridViewRowHeaderCell.cs
- PromptBuilder.cs
- RoutedEventHandlerInfo.cs
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