Byte.cs source code in C# .NET

                        
Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / clr / src / BCL / System / Byte.cs / 1 / Byte.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  Byte 
**
** 
** Purpose: This class will encapsulate a byte and provide an
**          Object representation of it.
**
** 
===========================================================*/
 
namespace System { 

    using System; 
    using System.Globalization;
    using System.Runtime.InteropServices;

    // The Byte class extends the Value class and 
    // provides object representation of the byte primitive type.
    // 
[System.Runtime.InteropServices.ComVisible(true)] 
    [Serializable, System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] public struct Byte : IComparable, IFormattable, IConvertible
#if GENERICS_WORK 
        , IComparable, IEquatable
#endif
    {
        private byte m_value; 

        // The maximum value that a Byte may represent: 255. 
        public const byte MaxValue = (byte)0xFF; 

        // The minimum value that a Byte may represent: 0. 
        public const byte MinValue = 0;


        // 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 byte, this method throws an ArgumentException.
        // 
        public int CompareTo(Object value) {
            if (value == null) {
                return 1;
            } 
            if (!(value is Byte)) {
                throw new ArgumentException(Environment.GetResourceString("Arg_MustBeByte")); 
            } 

            return m_value - (((Byte)value).m_value); 
        }

        public int CompareTo(Byte value) {
            return m_value - value; 
        }
 
        // Determines whether two Byte objects are equal. 
        public override bool Equals(Object obj) {
            if (!(obj is Byte)) { 
                return false;
            }
            return m_value == ((Byte)obj).m_value;
        } 

        public bool Equals(Byte obj) 
        { 
            return m_value == obj;
        } 

        // Gets a hash code for this instance.
        public override int GetHashCode() {
            return m_value; 
        }
 
        public static byte Parse(String s) { 
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
        } 

        public static byte Parse(String s, NumberStyles style) {
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Parse(s, style, NumberFormatInfo.CurrentInfo); 
        }
 
        public static byte Parse(String s, IFormatProvider provider) { 
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
        } 


    	// Parses an unsigned byte from a String in the given style.  If
    	// a NumberFormatInfo isn't specified, the current culture's 
    	// NumberFormatInfo is assumed.
        public static byte Parse(String s, NumberStyles style, IFormatProvider provider) { 
            NumberFormatInfo.ValidateParseStyleInteger(style); 
            return Parse(s, style, NumberFormatInfo.GetInstance(provider));
        } 

        private static byte Parse(String s, NumberStyles style, NumberFormatInfo info) {
            int i = 0;
            try { 
                i = Number.ParseInt32(s, style, info);
            } 
            catch(OverflowException e) { 
                throw new OverflowException(Environment.GetResourceString("Overflow_Byte"), e);
            } 

            if (i < MinValue || i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_Byte"));
            return (byte)i;
        } 

        public static bool TryParse(String s, out Byte result) { 
            return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); 
        }
 
        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out Byte result) {
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
        } 

        private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out Byte result) { 
            result = 0; 
            int i;
            if (!Number.TryParseInt32(s, style, info, out i)) { 
                return false;
            }
            if (i < MinValue || i > MaxValue) {
                return false; 
            }
            result = (byte) i; 
            return true; 
        }
 
        public override String ToString() {
            return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo);
        }
 
        public String ToString(String format) {
            return Number.FormatInt32(m_value, format, NumberFormatInfo.CurrentInfo); 
        } 

        public String ToString(IFormatProvider provider) { 
            return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
        }

        public String ToString(String format, IFormatProvider provider) { 
            return Number.FormatInt32(m_value, format, NumberFormatInfo.GetInstance(provider));
        } 
 
        //
        // IValue implementation 
        //

        public TypeCode GetTypeCode() {
            return TypeCode.Byte; 
        }
 
 
        /// 
        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 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 Convert.ToUInt64(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"), "Byte", "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.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  Byte 
**
** 
** Purpose: This class will encapsulate a byte and provide an
**          Object representation of it.
**
** 
===========================================================*/
 
namespace System { 

    using System; 
    using System.Globalization;
    using System.Runtime.InteropServices;

    // The Byte class extends the Value class and 
    // provides object representation of the byte primitive type.
    // 
[System.Runtime.InteropServices.ComVisible(true)] 
    [Serializable, System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)] public struct Byte : IComparable, IFormattable, IConvertible
#if GENERICS_WORK 
        , IComparable, IEquatable
#endif
    {
        private byte m_value; 

        // The maximum value that a Byte may represent: 255. 
        public const byte MaxValue = (byte)0xFF; 

        // The minimum value that a Byte may represent: 0. 
        public const byte MinValue = 0;


        // 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 byte, this method throws an ArgumentException.
        // 
        public int CompareTo(Object value) {
            if (value == null) {
                return 1;
            } 
            if (!(value is Byte)) {
                throw new ArgumentException(Environment.GetResourceString("Arg_MustBeByte")); 
            } 

            return m_value - (((Byte)value).m_value); 
        }

        public int CompareTo(Byte value) {
            return m_value - value; 
        }
 
        // Determines whether two Byte objects are equal. 
        public override bool Equals(Object obj) {
            if (!(obj is Byte)) { 
                return false;
            }
            return m_value == ((Byte)obj).m_value;
        } 

        public bool Equals(Byte obj) 
        { 
            return m_value == obj;
        } 

        // Gets a hash code for this instance.
        public override int GetHashCode() {
            return m_value; 
        }
 
        public static byte Parse(String s) { 
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo);
        } 

        public static byte Parse(String s, NumberStyles style) {
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Parse(s, style, NumberFormatInfo.CurrentInfo); 
        }
 
        public static byte Parse(String s, IFormatProvider provider) { 
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
        } 


    	// Parses an unsigned byte from a String in the given style.  If
    	// a NumberFormatInfo isn't specified, the current culture's 
    	// NumberFormatInfo is assumed.
        public static byte Parse(String s, NumberStyles style, IFormatProvider provider) { 
            NumberFormatInfo.ValidateParseStyleInteger(style); 
            return Parse(s, style, NumberFormatInfo.GetInstance(provider));
        } 

        private static byte Parse(String s, NumberStyles style, NumberFormatInfo info) {
            int i = 0;
            try { 
                i = Number.ParseInt32(s, style, info);
            } 
            catch(OverflowException e) { 
                throw new OverflowException(Environment.GetResourceString("Overflow_Byte"), e);
            } 

            if (i < MinValue || i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_Byte"));
            return (byte)i;
        } 

        public static bool TryParse(String s, out Byte result) { 
            return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result); 
        }
 
        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out Byte result) {
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result);
        } 

        private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out Byte result) { 
            result = 0; 
            int i;
            if (!Number.TryParseInt32(s, style, info, out i)) { 
                return false;
            }
            if (i < MinValue || i > MaxValue) {
                return false; 
            }
            result = (byte) i; 
            return true; 
        }
 
        public override String ToString() {
            return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo);
        }
 
        public String ToString(String format) {
            return Number.FormatInt32(m_value, format, NumberFormatInfo.CurrentInfo); 
        } 

        public String ToString(IFormatProvider provider) { 
            return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider));
        }

        public String ToString(String format, IFormatProvider provider) { 
            return Number.FormatInt32(m_value, format, NumberFormatInfo.GetInstance(provider));
        } 
 
        //
        // IValue implementation 
        //

        public TypeCode GetTypeCode() {
            return TypeCode.Byte; 
        }
 
 
        /// 
        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 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 Convert.ToUInt64(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"), "Byte", "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.

                        

                        

                        
                        

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