Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / UIntPtr.cs / 1 / 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; [Serializable(),CLSCompliant(false)] [System.Runtime.InteropServices.ComVisible(true)] public struct UIntPtr : ISerializable { unsafe private void* m_value; public static readonly UIntPtr Zero; public unsafe UIntPtr(uint value) { m_value = (void *)value; } public unsafe UIntPtr(ulong value) { #if WIN32 m_value = (void *)checked((uint)value); #else m_value = (void *)value; #endif } [CLSCompliant(false)] public unsafe UIntPtr(void* value) { m_value = value; } 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; } unsafe void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context) { if (info==null) { throw new ArgumentNullException("info"); } info.AddValue("value", (ulong)m_value); } public unsafe override bool Equals(Object obj) { if (obj is UIntPtr) { return (m_value == ((UIntPtr)obj).m_value); } return false; } public unsafe override int GetHashCode() { return unchecked((int)((long)m_value)) & 0x7fffffff; } public unsafe uint ToUInt32() { #if WIN32 return (uint)m_value; #else return checked((uint)m_value); #endif } public unsafe ulong ToUInt64() { return (ulong)m_value; } public unsafe override String ToString() { #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); } public unsafe static explicit operator uint (UIntPtr value) { #if WIN32 return (uint)value.m_value; #else return checked((uint)value.m_value); #endif } public unsafe static explicit operator ulong (UIntPtr value) { return (ulong)value.m_value; } [CLSCompliant(false)] public static unsafe explicit operator UIntPtr (void* value) { return new UIntPtr(value); } [CLSCompliant(false)] public static unsafe explicit operator void* (UIntPtr value) { return value.ToPointer(); } public unsafe static bool operator == (UIntPtr value1, UIntPtr value2) { return value1.m_value == value2.m_value; } public unsafe static bool operator != (UIntPtr value1, UIntPtr value2) { return value1.m_value != value2.m_value; } public static int Size { get { #if WIN32 return 4; #else return 8; #endif } } [CLSCompliant(false)] public unsafe void* ToPointer() { return m_value; } } }
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