Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / untmp / whidbey / QFE / ndp / clr / src / BCL / System / UInt64.cs / 1 / UInt64.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== /*============================================================ ** ** Class: UInt64 ** ** Purpose: This class will encapsulate an unsigned long and ** provide an Object representation of it. ** ** ===========================================================*/ namespace System { using System.Globalization; using System; using System.Runtime.InteropServices; // Wrapper for unsigned 64 bit integers. [Serializable, CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] [System.Runtime.InteropServices.ComVisible(true)] public struct UInt64 : IComparable, IFormattable, IConvertible #if GENERICS_WORK , IComparable, IEquatable #endif { private ulong m_value; public const ulong MaxValue = (ulong) 0xffffffffffffffffL; public const ulong MinValue = 0x0; // Compares this object to another object, returning an integer that // indicates the relationship. // Returns a value less than zero if this object // null is considered to be less than any instance. // If object is not of type UInt64, this method throws an ArgumentException. // public int CompareTo(Object value) { if (value == null) { return 1; } if (value is UInt64) { // Need to use compare because subtraction will wrap // to positive for very large neg numbers, etc. ulong i = (ulong)value; if (m_value < i) return -1; if (m_value > i) return 1; return 0; } throw new ArgumentException (Environment.GetResourceString("Arg_MustBeUInt64")); } public int CompareTo(UInt64 value) { // Need to use compare because subtraction will wrap // to positive for very large neg numbers, etc. if (m_value < value) return -1; if (m_value > value) return 1; return 0; } public override bool Equals(Object obj) { if (!(obj is UInt64)) { return false; } return m_value == ((UInt64)obj).m_value; } public bool Equals(UInt64 obj) { return m_value == obj; } // The value of the lower 32 bits XORed with the uppper 32 bits. public override int GetHashCode() { return ((int)m_value) ^ (int)(m_value >> 32); } public override String ToString() { return Number.FormatUInt64(m_value, null, NumberFormatInfo.CurrentInfo); } public String ToString(IFormatProvider provider) { return Number.FormatUInt64(m_value, null, NumberFormatInfo.GetInstance(provider)); } public String ToString(String format) { return Number.FormatUInt64(m_value, format, NumberFormatInfo.CurrentInfo); } public String ToString(String format, IFormatProvider provider) { return Number.FormatUInt64(m_value, format, NumberFormatInfo.GetInstance(provider)); } [CLSCompliant(false)] public static ulong Parse(String s) { return Number.ParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo); } [CLSCompliant(false)] public static ulong Parse(String s, NumberStyles style) { NumberFormatInfo.ValidateParseStyleInteger(style); return Number.ParseUInt64(s, style, NumberFormatInfo.CurrentInfo); } [CLSCompliant(false)] public static ulong Parse(string s, IFormatProvider provider) { return Number.ParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider)); } [CLSCompliant(false)] public static ulong Parse(String s, NumberStyles style, IFormatProvider provider) { NumberFormatInfo.ValidateParseStyleInteger(style); return Number.ParseUInt64(s, style, NumberFormatInfo.GetInstance(provider)); } [CLSCompliant(false)] public static Boolean TryParse(String s, out UInt64 result) { return Number.TryParseUInt64(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); } [CLSCompliant(false)] public static Boolean TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt64 result) { NumberFormatInfo.ValidateParseStyleInteger(style); return Number.TryParseUInt64(s, style, NumberFormatInfo.GetInstance(provider), out result); } // // IValue implementation // public TypeCode GetTypeCode() { return TypeCode.UInt64; } /// bool IConvertible.ToBoolean(IFormatProvider provider) { return Convert.ToBoolean(m_value); } /// char IConvertible.ToChar(IFormatProvider provider) { return Convert.ToChar(m_value); } /// sbyte IConvertible.ToSByte(IFormatProvider provider) { return Convert.ToSByte(m_value); } /// byte IConvertible.ToByte(IFormatProvider provider) { return Convert.ToByte(m_value); } /// short IConvertible.ToInt16(IFormatProvider provider) { return Convert.ToInt16(m_value); } /// ushort IConvertible.ToUInt16(IFormatProvider provider) { return Convert.ToUInt16(m_value); } /// int IConvertible.ToInt32(IFormatProvider provider) { return Convert.ToInt32(m_value); } /// uint IConvertible.ToUInt32(IFormatProvider provider) { return Convert.ToUInt32(m_value); } /// long IConvertible.ToInt64(IFormatProvider provider) { return Convert.ToInt64(m_value); } /// ulong IConvertible.ToUInt64(IFormatProvider provider) { return m_value; } /// float IConvertible.ToSingle(IFormatProvider provider) { return Convert.ToSingle(m_value); } /// double IConvertible.ToDouble(IFormatProvider provider) { return Convert.ToDouble(m_value); } /// Decimal IConvertible.ToDecimal(IFormatProvider provider) { return Convert.ToDecimal(m_value); } /// DateTime IConvertible.ToDateTime(IFormatProvider provider) { throw new InvalidCastException(String.Format(CultureInfo.CurrentCulture, Environment.GetResourceString("InvalidCast_FromTo"), "UInt64", "DateTime")); } /// Object IConvertible.ToType(Type type, IFormatProvider provider) { return Convert.DefaultToType((IConvertible)this, type, provider); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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