FieldToken.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / clr / src / BCL / System / Reflection / Emit / FieldToken.cs / 1 / FieldToken.cs

                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  FieldToken 
**
** 
** Purpose: Represents a Field to the ILGenerator Class
**
**
===========================================================*/ 
namespace System.Reflection.Emit {
 
    using System; 
   using System.Reflection;
    using System.Security.Permissions; 

    // The FieldToken class is an opaque representation of the Token returned
    // by the Metadata to represent the field.  FieldTokens are generated by
    // Module.GetFieldToken().  There are no meaningful accessors on this class, 
    // but it can be passed to ILGenerator which understands it's internals.
   [Serializable()] 
    [System.Runtime.InteropServices.ComVisible(true)] 
    public struct FieldToken
    { 
        public static readonly FieldToken Empty = new FieldToken();

        internal int m_fieldTok;
        internal Object m_class; 

        // Creates an empty FieldToken.  A publicly visible constructor so that 
        // it can be created on the stack. 
        //public FieldToken() {
        //    m_fieldTok=0; 
        //    m_attributes=0;
        //    m_class=null;
        //}
        // The actual constructor.  Sets the field, attributes and class 
        // variables
 
        internal FieldToken (int field, Type fieldClass) { 
            m_fieldTok=field;
            m_class = fieldClass; 
        }

        public int Token {
            get { return m_fieldTok; } 
        }
 
 
        // Generates the hash code for this field.
        public override int GetHashCode() 
        {
            return (m_fieldTok);
        }
 
        // Returns true if obj is an instance of FieldToken and is
        // equal to this instance. 
        public override bool Equals(Object obj) 
        {
            if (obj is FieldToken) 
                return Equals((FieldToken)obj);
            else
                return false;
        } 

        public bool Equals(FieldToken obj) 
        { 
            return obj.m_fieldTok == m_fieldTok && obj.m_class == m_class;
        } 

        public static bool operator ==(FieldToken a, FieldToken b)
        {
            return a.Equals(b); 
        }
 
        public static bool operator !=(FieldToken a, FieldToken b) 
        {
            return !(a == b); 
        }

    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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