Code:
/ FX-1434 / FX-1434 / 1.0 / 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); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TerminatorSinks.cs
- CapabilitiesRule.cs
- Expressions.cs
- ItemsPresenter.cs
- MultilineStringConverter.cs
- SplitterPanel.cs
- SoapWriter.cs
- ClientScriptItem.cs
- MessageQueuePermissionEntryCollection.cs
- WindowsTab.cs
- RegexStringValidatorAttribute.cs
- InvariantComparer.cs
- IODescriptionAttribute.cs
- COAUTHINFO.cs
- LinearGradientBrush.cs
- WsdlWriter.cs
- SmtpTransport.cs
- ReflectEventDescriptor.cs
- SslSecurityTokenParameters.cs
- OleDbPropertySetGuid.cs
- ConsumerConnectionPointCollection.cs
- PropertyValueChangedEvent.cs
- StateInitializationDesigner.cs
- ResourceDescriptionAttribute.cs
- TextModifier.cs
- XmlNodeReader.cs
- ObjectHandle.cs
- AppSettingsReader.cs
- FileUtil.cs
- activationcontext.cs
- COMException.cs
- XslNumber.cs
- CombinedGeometry.cs
- FormatConvertedBitmap.cs
- XmlHierarchicalEnumerable.cs
- ContractNamespaceAttribute.cs
- Underline.cs
- TextureBrush.cs
- ChangeInterceptorAttribute.cs
- QuaternionRotation3D.cs
- CompressionTransform.cs
- DataRowExtensions.cs
- Style.cs
- Attributes.cs
- UpdateExpressionVisitor.cs
- MappableObjectManager.cs
- TabRenderer.cs
- DBDataPermission.cs
- CodePageEncoding.cs
- FrameworkReadOnlyPropertyMetadata.cs
- FileVersion.cs
- WebHeaderCollection.cs
- CapabilitiesSection.cs
- StrokeCollection.cs
- SecurityTokenResolver.cs
- DataSvcMapFile.cs
- Header.cs
- ToolCreatedEventArgs.cs
- WinEventTracker.cs
- DisposableCollectionWrapper.cs
- ControlBuilderAttribute.cs
- MenuEventArgs.cs
- Color.cs
- Wizard.cs
- DataListCommandEventArgs.cs
- OrderedHashRepartitionEnumerator.cs
- WebPartCollection.cs
- BinHexDecoder.cs
- CqlParser.cs
- TreeNodeClickEventArgs.cs
- ContextDataSource.cs
- MethodRental.cs
- BuilderPropertyEntry.cs
- CommonObjectSecurity.cs
- GridViewRowEventArgs.cs
- Rules.cs
- FixUpCollection.cs
- SplineKeyFrames.cs
- HwndSubclass.cs
- DecimalConverter.cs
- RectAnimationClockResource.cs
- GridViewCellAutomationPeer.cs
- SystemThemeKey.cs
- Int32RectConverter.cs
- TimeoutException.cs
- RunWorkerCompletedEventArgs.cs
- StreamInfo.cs
- NonBatchDirectoryCompiler.cs
- XmlSortKeyAccumulator.cs
- LogSwitch.cs
- Composition.cs
- SmiXetterAccessMap.cs
- SmtpReplyReaderFactory.cs
- AnnotationAuthorChangedEventArgs.cs
- WinFormsSecurity.cs
- Classification.cs
- Method.cs
- DataGridPageChangedEventArgs.cs
- KnownColorTable.cs
- PermissionSetEnumerator.cs