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
- HostingEnvironmentException.cs
- MatrixAnimationUsingKeyFrames.cs
- ConfigUtil.cs
- FormatterConverter.cs
- DbgUtil.cs
- PieceDirectory.cs
- TrackingMemoryStream.cs
- LayoutEngine.cs
- PropertyInfoSet.cs
- DocumentReferenceCollection.cs
- AspCompat.cs
- MappingSource.cs
- CompilerResults.cs
- XmlLanguageConverter.cs
- MissingMethodException.cs
- MetadataUtil.cs
- EditorZone.cs
- relpropertyhelper.cs
- DoubleCollectionValueSerializer.cs
- CodeLabeledStatement.cs
- RegexTree.cs
- MulticastDelegate.cs
- _TLSstream.cs
- SqlClientWrapperSmiStream.cs
- MetricEntry.cs
- Pair.cs
- SystemIcons.cs
- ListViewItemSelectionChangedEvent.cs
- StreamWithDictionary.cs
- HostingEnvironmentSection.cs
- TextServicesProperty.cs
- EntityStoreSchemaFilterEntry.cs
- LOSFormatter.cs
- DefaultPrintController.cs
- Util.cs
- WebResourceUtil.cs
- PageContentCollection.cs
- SafeHandles.cs
- Schema.cs
- ExpressionBinding.cs
- ResourceDictionaryCollection.cs
- StringFormat.cs
- XmlDataDocument.cs
- WebPartEditorApplyVerb.cs
- Image.cs
- VideoDrawing.cs
- CompositeActivityTypeDescriptor.cs
- LeaseManager.cs
- CategoryGridEntry.cs
- OnOperation.cs
- WebZone.cs
- UshortList2.cs
- Delegate.cs
- ThemeConfigurationDialog.cs
- StreamingContext.cs
- DesignerTransaction.cs
- ObjectStateEntryBaseUpdatableDataRecord.cs
- WebHttpElement.cs
- MergeFailedEvent.cs
- ScrollProviderWrapper.cs
- CodeComment.cs
- StickyNote.cs
- DataBoundControl.cs
- ScrollChangedEventArgs.cs
- PersonalizationProviderHelper.cs
- SerializationInfo.cs
- DocumentXmlWriter.cs
- CqlIdentifiers.cs
- sqlnorm.cs
- SystemNetworkInterface.cs
- CompilerGeneratedAttribute.cs
- XmlSchemaDocumentation.cs
- HashFinalRequest.cs
- UrlMappingsModule.cs
- ImageCodecInfoPrivate.cs
- ArglessEventHandlerProxy.cs
- ProfileEventArgs.cs
- WindowsListViewItem.cs
- BaseTemplateCodeDomTreeGenerator.cs
- ItemPager.cs
- updatecommandorderer.cs
- InlineObject.cs
- OrthographicCamera.cs
- ProxyGenerator.cs
- DefaultBinder.cs
- WebDisplayNameAttribute.cs
- XmlC14NWriter.cs
- CodeAttributeArgumentCollection.cs
- LogWriteRestartAreaState.cs
- ModuleBuilder.cs
- ClrPerspective.cs
- SessionStateItemCollection.cs
- TextServicesDisplayAttribute.cs
- Compilation.cs
- EntityViewGenerationAttribute.cs
- EntitySet.cs
- XmlAttributes.cs
- StickyNoteContentControl.cs
- CompressStream.cs
- CacheSection.cs