UIntPtr.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / UIntPtr.cs / 1305376 / UIntPtr.cs
                        
                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  UIntPtr 
**
** 
** Purpose: Platform independent integer
**
**
===========================================================*/ 

namespace System { 
 
    using System;
    using System.Globalization; 
    using System.Runtime.Serialization;
    using System.Diagnostics.Contracts;

    [Serializable] 
    [CLSCompliant(false)]
    [System.Runtime.InteropServices.ComVisible(true)] 
    public struct UIntPtr : ISerializable 
    {
        unsafe private void* m_value; 

        public static readonly UIntPtr Zero;

 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe UIntPtr(uint value) 
        { 
            m_value = (void *)value;
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe UIntPtr(ulong value)
        { 
#if WIN32
            m_value = (void*)checked((uint)value); 
#else 
            m_value = (void *)value;
#endif 
        }

        [System.Security.SecurityCritical]  // auto-generated
        [CLSCompliant(false)] 
        public unsafe UIntPtr(void* value)
        { 
            m_value = value; 
        }
 
        [System.Security.SecurityCritical]  // auto-generated
        private unsafe UIntPtr(SerializationInfo info, StreamingContext context) {
            ulong l = info.GetUInt64("value");
 
            if (Size==4 && l>UInt32.MaxValue) {
                throw new ArgumentException(Environment.GetResourceString("Serialization_InvalidPtrValue")); 
            } 

            m_value = (void *)l; 
        }

#if FEATURE_SERIALIZATION
        [System.Security.SecurityCritical] 
        unsafe void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
        { 
            if (info==null) { 
                throw new ArgumentNullException("info");
            } 
            Contract.EndContractBlock();
            info.AddValue("value", (ulong)m_value);
        }
#endif 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public unsafe override bool Equals(Object obj) { 
            if (obj is UIntPtr) {
                return (m_value == ((UIntPtr)obj).m_value); 
            }
            return false;
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe override int GetHashCode() { 
            return unchecked((int)((long)m_value)) & 0x7fffffff; 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe uint ToUInt32() {
#if WIN32
            return (uint)m_value; 
#else
            return checked((uint)m_value); 
#endif 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe ulong ToUInt64() {
            return (ulong)m_value;
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public unsafe override String ToString() { 
            Contract.Ensures(Contract.Result() != null);
 
#if WIN32
            return ((uint)m_value).ToString(CultureInfo.InvariantCulture);
#else
            return ((ulong)m_value).ToString(CultureInfo.InvariantCulture); 
#endif
        } 
 
        public static explicit operator UIntPtr (uint value)
        { 
            return new UIntPtr(value);
        }

        public static explicit operator UIntPtr (ulong value) 
        {
            return new UIntPtr(value); 
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public unsafe static explicit operator uint(UIntPtr value)
        {
#if WIN32
            return (uint)value.m_value; 
#else
            return checked((uint)value.m_value); 
#endif 
        }
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe static explicit operator ulong (UIntPtr  value)
        {
            return (ulong)value.m_value; 
        }
 
        [System.Security.SecurityCritical]  // auto-generated 
        [CLSCompliant(false)]
        public static unsafe explicit operator UIntPtr (void* value) 
        {
            return new UIntPtr(value);
        }
 
        [System.Security.SecurityCritical]  // auto-generated
        [CLSCompliant(false)] 
        public static unsafe explicit operator void* (UIntPtr value) 
        {
            return value.ToPointer(); 
        }


        [System.Security.SecuritySafeCritical]  // auto-generated 
        public unsafe static bool operator == (UIntPtr value1, UIntPtr value2)
        { 
            return value1.m_value == value2.m_value; 
        }
 

        [System.Security.SecuritySafeCritical]  // auto-generated
        public unsafe static bool operator != (UIntPtr value1, UIntPtr value2)
        { 
            return value1.m_value != value2.m_value;
        } 
 
        [System.Security.SecuritySafeCritical]  // auto-generated
        public static UIntPtr Add(UIntPtr pointer, int offset) { 
            return pointer + offset;
        }

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public static UIntPtr operator +(UIntPtr pointer, int offset) {
            #if WIN32 
                return new UIntPtr(pointer.ToUInt32() + (uint)offset); 
            #else
                return new UIntPtr(pointer.ToUInt64() + (ulong)offset); 
            #endif
        }

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public static UIntPtr Subtract(UIntPtr pointer, int offset) {
            return pointer - offset; 
        } 

        [System.Security.SecuritySafeCritical]  // auto-generated 
        public static UIntPtr operator -(UIntPtr pointer, int offset) {
            #if WIN32
                return new UIntPtr(pointer.ToUInt32() - (uint)offset);
            #else 
                return new UIntPtr(pointer.ToUInt64() - (ulong)offset);
            #endif 
        } 

        public static int Size 
        {
            get
            {
#if WIN32 
                return 4;
#else 
                return 8; 
#endif
            } 
        }

        [System.Security.SecuritySafeCritical]  // auto-generated
        [CLSCompliant(false)] 
        public unsafe void* ToPointer()
        { 
            return m_value; 
        }
 
     }
}

 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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