Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / clr / src / BCL / System / IConvertible.cs / 1305376 / IConvertible.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== namespace System { using System.Diagnostics.Contracts; using System.Threading; // The IConvertible interface represents an object that contains a value. This // interface is implemented by the following types in the System namespace: // Boolean, Char, SByte, Byte, Int16, UInt16, Int32, UInt32, Int64, UInt64, // Single, Double, Decimal, DateTime, TimeSpan, and String. The interface may // be implemented by other types that are to be considered values. For example, // a library of nullable database types could implement IConvertible. // // Note: The interface was originally proposed as IValue. // // The implementations of IConvertible provided by the System.XXX value classes // simply forward to the appropriate Value.ToXXX(YYY) methods (a description of // the Value class follows below). In cases where a Value.ToXXX(YYY) method // does not exist (because the particular conversion is not supported), the // IConvertible implementation should simply throw an InvalidCastException. [CLSCompliant(false)] [System.Runtime.InteropServices.ComVisible(true)] [ContractClass(typeof(IConvertibleContract))] public interface IConvertible { // Returns the type code of this object. An implementation of this method // must not return TypeCode.Empty (which represents a null reference) or // TypeCode.Object (which represents an object that doesn't implement the // IConvertible interface). An implementation of this method should return // TypeCode.DBNull if the value of this object is a database null. For // example, a nullable integer type should return TypeCode.DBNull if the // value of the object is the database null. Otherwise, an implementation // of this method should return the TypeCode that best describes the // internal representation of the object. TypeCode GetTypeCode(); // The ToXXX methods convert the value of the underlying object to the // given type. If a particular conversion is not supported, the // implementation must throw an InvalidCastException. If the value of the // underlying object is not within the range of the target type, the // implementation must throw an OverflowException. The // IFormatProvider will be used to get a NumberFormatInfo or similar // appropriate service object, and may safely be null. bool ToBoolean(IFormatProvider provider); char ToChar(IFormatProvider provider); sbyte ToSByte(IFormatProvider provider); byte ToByte(IFormatProvider provider); short ToInt16(IFormatProvider provider); ushort ToUInt16(IFormatProvider provider); int ToInt32(IFormatProvider provider); uint ToUInt32(IFormatProvider provider); long ToInt64(IFormatProvider provider); ulong ToUInt64(IFormatProvider provider); float ToSingle(IFormatProvider provider); double ToDouble(IFormatProvider provider); Decimal ToDecimal(IFormatProvider provider); DateTime ToDateTime(IFormatProvider provider); String ToString(IFormatProvider provider); Object ToType(Type conversionType, IFormatProvider provider); } [ContractClassFor(typeof(IConvertible))] internal abstract class IConvertibleContract : IConvertible { #region IConvertible Members [Pure] TypeCode IConvertible.GetTypeCode() { throw new NotImplementedException(); } bool IConvertible.ToBoolean(IFormatProvider provider) { throw new NotImplementedException(); } char IConvertible.ToChar(IFormatProvider provider) { throw new NotImplementedException(); } sbyte IConvertible.ToSByte(IFormatProvider provider) { throw new NotImplementedException(); } byte IConvertible.ToByte(IFormatProvider provider) { throw new NotImplementedException(); } short IConvertible.ToInt16(IFormatProvider provider) { throw new NotImplementedException(); } ushort IConvertible.ToUInt16(IFormatProvider provider) { throw new NotImplementedException(); } int IConvertible.ToInt32(IFormatProvider provider) { throw new NotImplementedException(); } uint IConvertible.ToUInt32(IFormatProvider provider) { throw new NotImplementedException(); } long IConvertible.ToInt64(IFormatProvider provider) { throw new NotImplementedException(); } ulong IConvertible.ToUInt64(IFormatProvider provider) { throw new NotImplementedException(); } float IConvertible.ToSingle(IFormatProvider provider) { throw new NotImplementedException(); } double IConvertible.ToDouble(IFormatProvider provider) { throw new NotImplementedException(); } Decimal IConvertible.ToDecimal(IFormatProvider provider) { throw new NotImplementedException(); } DateTime IConvertible.ToDateTime(IFormatProvider provider) { throw new NotImplementedException(); } [Pure] String IConvertible.ToString(IFormatProvider provider) { Contract.Ensures(Contract.Result() != null); throw new NotImplementedException(); } Object IConvertible.ToType(Type conversionType, IFormatProvider provider) { throw new NotImplementedException(); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== namespace System { using System.Diagnostics.Contracts; using System.Threading; // The IConvertible interface represents an object that contains a value. This // interface is implemented by the following types in the System namespace: // Boolean, Char, SByte, Byte, Int16, UInt16, Int32, UInt32, Int64, UInt64, // Single, Double, Decimal, DateTime, TimeSpan, and String. The interface may // be implemented by other types that are to be considered values. For example, // a library of nullable database types could implement IConvertible. // // Note: The interface was originally proposed as IValue. // // The implementations of IConvertible provided by the System.XXX value classes // simply forward to the appropriate Value.ToXXX(YYY) methods (a description of // the Value class follows below). In cases where a Value.ToXXX(YYY) method // does not exist (because the particular conversion is not supported), the // IConvertible implementation should simply throw an InvalidCastException. [CLSCompliant(false)] [System.Runtime.InteropServices.ComVisible(true)] [ContractClass(typeof(IConvertibleContract))] public interface IConvertible { // Returns the type code of this object. An implementation of this method // must not return TypeCode.Empty (which represents a null reference) or // TypeCode.Object (which represents an object that doesn't implement the // IConvertible interface). An implementation of this method should return // TypeCode.DBNull if the value of this object is a database null. For // example, a nullable integer type should return TypeCode.DBNull if the // value of the object is the database null. Otherwise, an implementation // of this method should return the TypeCode that best describes the // internal representation of the object. TypeCode GetTypeCode(); // The ToXXX methods convert the value of the underlying object to the // given type. If a particular conversion is not supported, the // implementation must throw an InvalidCastException. If the value of the // underlying object is not within the range of the target type, the // implementation must throw an OverflowException. The // IFormatProvider will be used to get a NumberFormatInfo or similar // appropriate service object, and may safely be null. bool ToBoolean(IFormatProvider provider); char ToChar(IFormatProvider provider); sbyte ToSByte(IFormatProvider provider); byte ToByte(IFormatProvider provider); short ToInt16(IFormatProvider provider); ushort ToUInt16(IFormatProvider provider); int ToInt32(IFormatProvider provider); uint ToUInt32(IFormatProvider provider); long ToInt64(IFormatProvider provider); ulong ToUInt64(IFormatProvider provider); float ToSingle(IFormatProvider provider); double ToDouble(IFormatProvider provider); Decimal ToDecimal(IFormatProvider provider); DateTime ToDateTime(IFormatProvider provider); String ToString(IFormatProvider provider); Object ToType(Type conversionType, IFormatProvider provider); } [ContractClassFor(typeof(IConvertible))] internal abstract class IConvertibleContract : IConvertible { #region IConvertible Members [Pure] TypeCode IConvertible.GetTypeCode() { throw new NotImplementedException(); } bool IConvertible.ToBoolean(IFormatProvider provider) { throw new NotImplementedException(); } char IConvertible.ToChar(IFormatProvider provider) { throw new NotImplementedException(); } sbyte IConvertible.ToSByte(IFormatProvider provider) { throw new NotImplementedException(); } byte IConvertible.ToByte(IFormatProvider provider) { throw new NotImplementedException(); } short IConvertible.ToInt16(IFormatProvider provider) { throw new NotImplementedException(); } ushort IConvertible.ToUInt16(IFormatProvider provider) { throw new NotImplementedException(); } int IConvertible.ToInt32(IFormatProvider provider) { throw new NotImplementedException(); } uint IConvertible.ToUInt32(IFormatProvider provider) { throw new NotImplementedException(); } long IConvertible.ToInt64(IFormatProvider provider) { throw new NotImplementedException(); } ulong IConvertible.ToUInt64(IFormatProvider provider) { throw new NotImplementedException(); } float IConvertible.ToSingle(IFormatProvider provider) { throw new NotImplementedException(); } double IConvertible.ToDouble(IFormatProvider provider) { throw new NotImplementedException(); } Decimal IConvertible.ToDecimal(IFormatProvider provider) { throw new NotImplementedException(); } DateTime IConvertible.ToDateTime(IFormatProvider provider) { throw new NotImplementedException(); } [Pure] String IConvertible.ToString(IFormatProvider provider) { Contract.Ensures(Contract.Result () != null); throw new NotImplementedException(); } Object IConvertible.ToType(Type conversionType, IFormatProvider provider) { throw new NotImplementedException(); } #endregion } } // 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
- XmlElementAttributes.cs
- DocumentPageView.cs
- WebPartConnectionsConnectVerb.cs
- _WinHttpWebProxyDataBuilder.cs
- ResourceIDHelper.cs
- ImageEditor.cs
- HandlerBase.cs
- InheritedPropertyDescriptor.cs
- ScrollBarRenderer.cs
- PeerName.cs
- ObjectStateEntryDbDataRecord.cs
- Drawing.cs
- ContainerParagraph.cs
- ToolboxComponentsCreatingEventArgs.cs
- MailDefinition.cs
- ExternalFile.cs
- LoadedOrUnloadedOperation.cs
- VectorAnimationBase.cs
- DesignerCategoryAttribute.cs
- MimeObjectFactory.cs
- FormattedTextSymbols.cs
- ValidatorCollection.cs
- Timer.cs
- GlyphManager.cs
- QueryOutputWriter.cs
- ExpressionList.cs
- XamlBrushSerializer.cs
- DbFunctionCommandTree.cs
- SystemIPInterfaceProperties.cs
- ConfigXmlElement.cs
- ItemDragEvent.cs
- ColorBlend.cs
- shaper.cs
- HtmlMeta.cs
- SimpleModelProvider.cs
- SqlBuffer.cs
- AuthenticationSection.cs
- LogicalExpressionTypeConverter.cs
- remotingproxy.cs
- SpeakCompletedEventArgs.cs
- SkipQueryOptionExpression.cs
- DetailsViewUpdatedEventArgs.cs
- GroupDescription.cs
- NominalTypeEliminator.cs
- DependencyStoreSurrogate.cs
- PocoEntityKeyStrategy.cs
- Utils.cs
- WebCategoryAttribute.cs
- shaperfactoryquerycacheentry.cs
- LowerCaseStringConverter.cs
- ExpressionBuilder.cs
- ProvidePropertyAttribute.cs
- DataGrid.cs
- SmiMetaData.cs
- NullReferenceException.cs
- OdbcCommand.cs
- ObjectIDGenerator.cs
- DeviceOverridableAttribute.cs
- CopyAttributesAction.cs
- SafeFindHandle.cs
- XmlAttribute.cs
- DataAdapter.cs
- BitmapEffectState.cs
- XmlSchemaCollection.cs
- WaveHeader.cs
- SafeArrayRankMismatchException.cs
- IndependentAnimationStorage.cs
- DetailsViewPageEventArgs.cs
- ListItemConverter.cs
- TriggerCollection.cs
- ModuleConfigurationInfo.cs
- PrincipalPermission.cs
- ReferenceTypeElement.cs
- ParameterCollection.cs
- ScriptBehaviorDescriptor.cs
- DateTimeConstantAttribute.cs
- GetWinFXPath.cs
- ImageFormat.cs
- QuaternionRotation3D.cs
- FlowchartDesigner.xaml.cs
- SafeCoTaskMem.cs
- SQLGuidStorage.cs
- DataSourceHelper.cs
- OleAutBinder.cs
- PerformanceCounter.cs
- ReservationCollection.cs
- ProtocolsConfiguration.cs
- TextClipboardData.cs
- SynchronizationContext.cs
- WebPartConnectionsCancelVerb.cs
- _ConnectionGroup.cs
- Int64Converter.cs
- BaseCodePageEncoding.cs
- SendingRequestEventArgs.cs
- CanExecuteRoutedEventArgs.cs
- CodeConstructor.cs
- UIElement3D.cs
- MarkedHighlightComponent.cs
- FeatureSupport.cs
- IPPacketInformation.cs