ArrayWithOffset.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Runtime / InteropServices / ArrayWithOffset.cs / 1 / ArrayWithOffset.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
namespace System.Runtime.InteropServices {
 
    using System; 
    using System.Runtime.CompilerServices;
 
    [Serializable]
    [System.Runtime.InteropServices.ComVisible(true)]
    public struct ArrayWithOffset
    { 
        //private ArrayWithOffset()
        //{ 
        //    throw new Exception(); 
        //}
 
        public ArrayWithOffset(Object array, int offset)
        {
            m_array  = array;
            m_offset = offset; 
            m_count  = 0;
            m_count  = CalculateCount(); 
        } 

        public Object GetArray() 
        {
            return m_array;
        }
 
        public int GetOffset()
        { 
            return m_offset; 
        }
 
        public override int GetHashCode()
        {
            return m_count + m_offset;
        } 

        public override bool Equals(Object obj) 
        { 
            if (obj is ArrayWithOffset)
                return Equals((ArrayWithOffset)obj); 
            else
                return false;
        }
 
        public bool Equals(ArrayWithOffset obj)
        { 
            return obj.m_array == m_array && obj.m_offset == m_offset && obj.m_count == m_count; 
        }
 
        public static bool operator ==(ArrayWithOffset a, ArrayWithOffset b)
        {
            return a.Equals(b);
        } 

        public static bool operator !=(ArrayWithOffset a, ArrayWithOffset b) 
        { 
            return !(a == b);
        } 
    	
        [MethodImplAttribute(MethodImplOptions.InternalCall)]
        private extern int CalculateCount();
 
        private Object m_array;
        private int    m_offset; 
        private int    m_count; 
    }
 
}

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