Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / Byte.cs / 1305376 / 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; ///#if GENERICS_WORK /// using System.Numerics; ///#endif using System.Runtime.InteropServices; using System.Diagnostics.Contracts; // 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)] #if GENERICS_WORK public struct Byte : IComparable, IFormattable, IConvertible , IComparable, IEquatable /// , IArithmetic #if false // ugly hack to fix syntax for TrimSrc parser, which ignores #if directives { } #endif #else public struct Byte : IComparable, IFormattable, IConvertible #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; } [Pure] public static byte Parse(String s) { return Parse(s, NumberStyles.Integer, NumberFormatInfo.CurrentInfo); } [Pure] public static byte Parse(String s, NumberStyles style) { NumberFormatInfo.ValidateParseStyleInteger(style); return Parse(s, style, NumberFormatInfo.CurrentInfo); } [Pure] 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. [Pure] 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; } [Pure] [System.Security.SecuritySafeCritical] // auto-generated public override String ToString() { Contract.Ensures(Contract.Result () != null); return Number.FormatInt32(m_value, null, NumberFormatInfo.CurrentInfo); } [Pure] [System.Security.SecuritySafeCritical] // auto-generated public String ToString(String format) { Contract.Ensures(Contract.Result () != null); return Number.FormatInt32(m_value, format, NumberFormatInfo.CurrentInfo); } [Pure] [System.Security.SecuritySafeCritical] // auto-generated public String ToString(IFormatProvider provider) { Contract.Ensures(Contract.Result () != null); return Number.FormatInt32(m_value, null, NumberFormatInfo.GetInstance(provider)); } [Pure] [System.Security.SecuritySafeCritical] // auto-generated public String ToString(String format, IFormatProvider provider) { Contract.Ensures(Contract.Result () != null); return Number.FormatInt32(m_value, format, NumberFormatInfo.GetInstance(provider)); } // // IConvertible implementation // [Pure] 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(Environment.GetResourceString("InvalidCast_FromTo", "Byte", "DateTime")); } /// Object IConvertible.ToType(Type type, IFormatProvider provider) { return Convert.DefaultToType((IConvertible)this, type, provider); } ///#if GENERICS_WORK /// // /// // IArithmetic implementation /// // /// /// /// /// Byte IArithmetic .AbsoluteValue(out bool overflowed) { /// overflowed = false; /// return m_value; /// } /// /// /// /// Byte IArithmetic .Negate(out bool overflowed) { /// overflowed = (m_value != 0); /// return m_value; /// } /// /// /// /// Byte IArithmetic .Sign(out bool overflowed) { /// overflowed = false; /// return (byte) (m_value == 0 ? 0 : 1); /// } /// /// /// /// Byte IArithmetic .Add(Byte addend, out bool overflowed) { /// uint u = ((uint)m_value) + addend; /// overflowed = (u > MaxValue); /// return (byte) u; /// } /// /// /// /// Byte IArithmetic .Subtract(Byte subtrahend, out bool overflowed) { /// int i = ((int)m_value) - subtrahend; /// overflowed = (i < MinValue); /// return (byte) i; /// } /// /// /// /// Byte IArithmetic .Multiply(Byte multiplier, out bool overflowed) { /// uint u = ((uint)m_value) * multiplier; /// overflowed = (u > MaxValue); /// return (byte) u; /// } /// /// /// /// /// Byte IArithmetic .Divide(Byte divisor, out bool overflowed) { /// overflowed = false; /// return (byte) (m_value / divisor); // divide by zero will fail /// } /// /// /// /// Byte IArithmetic .DivideRemainder(Byte divisor, out Byte remainder, out bool overflowed) { /// overflowed = false; /// remainder = (byte) (m_value % divisor); /// return (byte) (m_value / divisor); // divide by zero will fail /// } /// /// /// /// Byte IArithmetic .Remainder(Byte divisor, out bool overflowed) { /// overflowed = false; /// return (byte) (m_value % divisor); /// } /// /// /// /// ArithmeticDescriptor IArithmetic .GetDescriptor() { /// if (s_descriptor == null) { /// s_descriptor = new ByteArithmeticDescriptor( ArithmeticCapabilities.One /// | ArithmeticCapabilities.Zero /// | ArithmeticCapabilities.MaxValue /// | ArithmeticCapabilities.MinValue /// | ArithmeticCapabilities.Unsigned); /// } /// return s_descriptor; /// } /// /// private static ByteArithmeticDescriptor s_descriptor; /// /// class ByteArithmeticDescriptor : ArithmeticDescriptor { /// /// public ByteArithmeticDescriptor(ArithmeticCapabilities capabilities) : base(capabilities) {} /// /// public override Byte One { /// get { /// return (Byte) 1; /// } /// } /// /// public override Byte Zero { /// get { /// return (Byte) 0; /// } /// } /// /// public override Byte MinValue { /// get { /// return Byte.MinValue; /// } /// } /// /// public override Byte MaxValue { /// get { /// return Byte.MaxValue; /// } /// } /// } ///#endif // #if GENERICS_WORK } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SharedStatics.cs
- ColorKeyFrameCollection.cs
- ExtensionDataObject.cs
- ResourceManager.cs
- QuaternionAnimationUsingKeyFrames.cs
- Behavior.cs
- StringFunctions.cs
- XmlAttributeAttribute.cs
- MeshGeometry3D.cs
- PersonalizationStateInfoCollection.cs
- ContextMenu.cs
- PeekCompletedEventArgs.cs
- JsonMessageEncoderFactory.cs
- AttributeUsageAttribute.cs
- MessageQueuePermissionAttribute.cs
- CodeVariableDeclarationStatement.cs
- IntranetCredentialPolicy.cs
- SpellerError.cs
- BitmapMetadataBlob.cs
- MailDefinition.cs
- ColorContext.cs
- CodeRegionDirective.cs
- TextViewBase.cs
- Task.cs
- Perspective.cs
- RangeValidator.cs
- VirtualDirectoryMapping.cs
- PointAnimationClockResource.cs
- OleDbConnectionInternal.cs
- MeasurementDCInfo.cs
- TemplateControlBuildProvider.cs
- ConsoleKeyInfo.cs
- ApplicationDirectory.cs
- SecurityUtils.cs
- TreeViewCancelEvent.cs
- FontWeights.cs
- ModelTreeEnumerator.cs
- WebServicesDescriptionAttribute.cs
- ButtonColumn.cs
- BufferAllocator.cs
- CodeAssignStatement.cs
- RegexWriter.cs
- MemberInfoSerializationHolder.cs
- BinaryReader.cs
- XmlObjectSerializerWriteContextComplexJson.cs
- StringAnimationUsingKeyFrames.cs
- DispatcherTimer.cs
- SplayTreeNode.cs
- DecodeHelper.cs
- Directory.cs
- CurrentChangingEventManager.cs
- CurrentChangedEventManager.cs
- HttpDictionary.cs
- TCPClient.cs
- DesignerAttribute.cs
- GridViewCellAutomationPeer.cs
- Model3DGroup.cs
- ProfilePropertySettingsCollection.cs
- FolderBrowserDialog.cs
- SoapIgnoreAttribute.cs
- ConditionedDesigner.cs
- ModelPerspective.cs
- SQLMoney.cs
- CustomLineCap.cs
- PerformanceCounter.cs
- DesignTimeTemplateParser.cs
- ReadOnlyTernaryTree.cs
- WindowsRegion.cs
- sqlser.cs
- ToolStripSplitStackLayout.cs
- DoubleLinkListEnumerator.cs
- DataGridCaption.cs
- QuaternionIndependentAnimationStorage.cs
- AutoGeneratedField.cs
- XmlReaderSettings.cs
- ItemAutomationPeer.cs
- LinqDataView.cs
- Gdiplus.cs
- RuleAttributes.cs
- DataTableExtensions.cs
- StringBuilder.cs
- PageRanges.cs
- FacetDescriptionElement.cs
- ControlPropertyNameConverter.cs
- RecognizeCompletedEventArgs.cs
- TypeExtension.cs
- UnauthorizedAccessException.cs
- ImportCatalogPart.cs
- SafeHandles.cs
- NotFiniteNumberException.cs
- XmlSchemaChoice.cs
- Triangle.cs
- DataGridSortCommandEventArgs.cs
- ParameterToken.cs
- StatementContext.cs
- UpdatePanelTrigger.cs
- ControlBuilder.cs
- fixedPageContentExtractor.cs
- PasswordTextNavigator.cs
- ConfigurationSectionCollection.cs