Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / clr / src / BCL / System / IntPtr.cs / 1 / IntPtr.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: IntPtr ** ** ** Purpose: Platform independent integer ** ** ===========================================================*/ namespace System { using System; using System.Globalization; using System.Runtime.Serialization; using System.Runtime.CompilerServices; using System.Runtime.ConstrainedExecution; [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public struct IntPtr : ISerializable { unsafe private void* m_value; // The compiler treats void* closest to uint hence explicit casts are required to preserve int behavior public static readonly IntPtr Zero; // fast way to compare IntPtr to (IntPtr)0 while IntPtr.Zero doesn't work due to slow statics access [ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)] internal unsafe bool IsNull() { return (this.m_value == null); } [ReliabilityContract(Consistency.MayCorruptInstance, Cer.MayFail)] public unsafe IntPtr(int value) { #if WIN32 m_value = (void *)value; #else m_value = (void *)(long)value; #endif } [ReliabilityContract(Consistency.MayCorruptInstance, Cer.MayFail)] public unsafe IntPtr(long value) { #if WIN32 m_value = (void *)checked((int)value); #else m_value = (void *)value; #endif } [CLSCompliant(false)] [ReliabilityContract(Consistency.MayCorruptInstance, Cer.MayFail)] public unsafe IntPtr(void* value) { m_value = value; } private unsafe IntPtr(SerializationInfo info, StreamingContext context) { long l = info.GetInt64("value"); if (Size==4 && (l>Int32.MaxValue || lInt32.MaxValue || l
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