UInt16.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / UInt16.cs / 1 / UInt16.cs
                        
                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
/*============================================================
** 
** Class:  UInt16 
**
** Purpose: This class will encapsulate a short and provide an 
**          Object representation of it.
**
**
===========================================================*/ 
namespace System {
    using System.Globalization; 
    using System; 
    using System.Runtime.InteropServices;
 
    // Wrapper for unsigned 16 bit integers.
    [Serializable, CLSCompliant(false), System.Runtime.InteropServices.StructLayout(LayoutKind.Sequential)]
[System.Runtime.InteropServices.ComVisible(true)]
    public struct UInt16 : IComparable, IFormattable, IConvertible 
#if GENERICS_WORK
        , IComparable, IEquatable 
#endif 
    {
        private ushort m_value; 

        public const ushort MaxValue = (ushort)0xFFFF;
        public const ushort 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 UInt16, this method throws an ArgumentException.
        //
        public int CompareTo(Object value) {
            if (value == null) { 
                return 1;
            } 
            if (value is UInt16) { 
                return ((int)m_value - (int)(((UInt16)value).m_value));
            } 
            throw new ArgumentException(Environment.GetResourceString("Arg_MustBeUInt16"));
        }

        public int CompareTo(UInt16 value) { 
            return ((int)m_value - (int)value);
        } 
 
        public override bool Equals(Object obj) {
            if (!(obj is UInt16)) { 
                return false;
            }
            return m_value == ((UInt16)obj).m_value;
        } 

        public bool Equals(UInt16 obj) 
        { 
            return m_value == obj;
        } 

        // Returns a HashCode for the UInt16
        public override int GetHashCode() {
            return (int)m_value; 
        }
 
        // Converts the current value to a String in base-10 with no extra padding. 
        public override String ToString() {
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.CurrentInfo); 
        }

        public String ToString(IFormatProvider provider) {
            return Number.FormatUInt32(m_value, null, NumberFormatInfo.GetInstance(provider)); 
        }
 
 
        public String ToString(String format) {
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.CurrentInfo); 
        }

        public String ToString(String format, IFormatProvider provider) {
            return Number.FormatUInt32(m_value, format, NumberFormatInfo.GetInstance(provider)); 
        }
 
    	[CLSCompliant(false)] 
        public static ushort Parse(String s) {
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo); 
        }
    	
    	[CLSCompliant(false)]
        public static ushort Parse(String s, NumberStyles style) { 
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Parse(s, style, NumberFormatInfo.CurrentInfo); 
        } 

 
    	[CLSCompliant(false)]
        public static ushort Parse(String s, IFormatProvider provider) {
            return Parse(s, NumberStyles.Integer, NumberFormatInfo.GetInstance(provider));
        } 
    	
    	[CLSCompliant(false)] 
        public static ushort Parse(String s, NumberStyles style, IFormatProvider provider) { 
            NumberFormatInfo.ValidateParseStyleInteger(style);
            return Parse(s, style, NumberFormatInfo.GetInstance(provider)); 
        }

        private static ushort Parse(String s, NumberStyles style, NumberFormatInfo info) {
 
            uint i = 0;
            try { 
                i = Number.ParseUInt32(s, style, info); 
            }
            catch(OverflowException e) { 
                throw new OverflowException(Environment.GetResourceString("Overflow_UInt16"), e);
            }

            if (i > MaxValue) throw new OverflowException(Environment.GetResourceString("Overflow_UInt16")); 
            return (ushort)i;
        } 
 
        [CLSCompliant(false)]
        public static bool TryParse(String s, out UInt16 result) { 
            return TryParse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo, out result);
        }

        [CLSCompliant(false)] 
        public static bool TryParse(String s, NumberStyles style, IFormatProvider provider, out UInt16 result) {
            NumberFormatInfo.ValidateParseStyleInteger(style); 
            return TryParse(s, style, NumberFormatInfo.GetInstance(provider), out result); 
        }
 
        private static bool TryParse(String s, NumberStyles style, NumberFormatInfo info, out UInt16 result) {

            result = 0;
            UInt32 i; 
            if (!Number.TryParseUInt32(s, style, info, out i)) {
                return false; 
            } 
            if (i > MaxValue) {
                return false; 
            }
            result = (UInt16) i;
            return true;
        } 

        // 
        // IValue implementation 
        //
 
        public TypeCode GetTypeCode() {
            return TypeCode.UInt16;
        }
 
        /// 
        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 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"), "UInt16", "DateTime")); 
        }

        /// 
        Object IConvertible.ToType(Type type, IFormatProvider provider) { 
            return Convert.DefaultToType((IConvertible)this, type, provider);
        } 
    } 
}
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UInt16.cs source code in C# .NET

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