Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / TimeSpanConverter.cs / 1305376 / TimeSpanConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* */ namespace System.ComponentModel { using Microsoft.Win32; using System.ComponentModel.Design.Serialization; using System.Diagnostics; using System.Globalization; using System.Reflection; using System.Runtime.InteropServices; using System.Runtime.Remoting; using System.Runtime.Serialization.Formatters; using System.Security.Permissions; using System.Threading; ////// [HostProtection(SharedState = true)] public class TimeSpanConverter : TypeConverter { ///Provides a type converter to convert ////// objects to and from various /// other representations. /// public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { if (sourceType == typeof(string)) { return true; } return base.CanConvertFrom(context, sourceType); } ///Gets a value indicating whether this converter can /// convert an object in the given source type to a ///object using the /// specified context. /// public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { if (destinationType == typeof(InstanceDescriptor)) { return true; } return base.CanConvertTo(context, destinationType); } ///Gets a value indicating whether this converter can /// convert an object to the given destination type using the context. ////// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string text = ((string)value).Trim(); try { return TimeSpan.Parse(text, culture); } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "TimeSpan"), e); } } return base.ConvertFrom(context, culture, value); } ///Converts the given object to a ////// object. /// Converts the given object to another type. The most common types to convert /// are to and from a string object. The default implementation will make a call /// to ToString on the object if the object is valid and if the destination /// type is string. If this cannot convert to the desitnation type, this will /// throw a NotSupportedException. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(InstanceDescriptor) && value is TimeSpan) { MethodInfo method = typeof(TimeSpan).GetMethod("Parse", new Type[] {typeof(string)}); if (method != null) { return new InstanceDescriptor(method, new object[] {value.ToString()}); } } return base.ConvertTo(context, culture, value, destinationType); } } } // 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
- Int32.cs
- DataGridItem.cs
- TypeInfo.cs
- PropertyChangedEventArgs.cs
- ColorIndependentAnimationStorage.cs
- ContextMenu.cs
- PolicyException.cs
- XmlIncludeAttribute.cs
- LinkedResource.cs
- MobileTextWriter.cs
- DiscreteKeyFrames.cs
- DataListItemEventArgs.cs
- QuerySettings.cs
- ConstraintConverter.cs
- AutomationIdentifier.cs
- SpotLight.cs
- HtmlTitle.cs
- EntityConnectionStringBuilderItem.cs
- FontResourceCache.cs
- MediaPlayerState.cs
- XmlDataLoader.cs
- ListItemCollection.cs
- UnmanagedBitmapWrapper.cs
- BuildProviderAppliesToAttribute.cs
- WebRequestModuleElementCollection.cs
- GridView.cs
- IndexedEnumerable.cs
- AppDomainManager.cs
- FillRuleValidation.cs
- SyndicationElementExtension.cs
- MimeXmlReflector.cs
- BinaryObjectWriter.cs
- InplaceBitmapMetadataWriter.cs
- XmlSerializationReader.cs
- NodeFunctions.cs
- AttributeQuery.cs
- DesigntimeLicenseContext.cs
- CollectionMarkupSerializer.cs
- VectorCollectionConverter.cs
- ErrorFormatterPage.cs
- PolyBezierSegmentFigureLogic.cs
- FixedPage.cs
- ValueChangedEventManager.cs
- ColorIndependentAnimationStorage.cs
- ExpressionBuilder.cs
- CheckBoxRenderer.cs
- SpellerError.cs
- EdmRelationshipRoleAttribute.cs
- XmlConvert.cs
- ExceptionHandlers.cs
- OpCodes.cs
- PropertyValueChangedEvent.cs
- TraversalRequest.cs
- Queue.cs
- FixedDocumentSequencePaginator.cs
- EventWaitHandleSecurity.cs
- ObjectDataSourceMethodEventArgs.cs
- WindowsButton.cs
- ImpersonationContext.cs
- ActivityDesignerAccessibleObject.cs
- CompensationExtension.cs
- XPathDocumentNavigator.cs
- TextTreeTextNode.cs
- WeakHashtable.cs
- IisTraceWebEventProvider.cs
- ContainerUIElement3D.cs
- EntityDataSourceUtil.cs
- DataServiceProcessingPipeline.cs
- LogArchiveSnapshot.cs
- IPHostEntry.cs
- MailAddressCollection.cs
- EnumerableRowCollection.cs
- ExpressionEditorAttribute.cs
- WithStatement.cs
- PeerApplicationLaunchInfo.cs
- SoapSchemaImporter.cs
- PartialTrustVisibleAssembly.cs
- DataBindingExpressionBuilder.cs
- WebPartConnectVerb.cs
- PartialArray.cs
- PasswordRecovery.cs
- TypeUtils.cs
- SafeHandles.cs
- Bitmap.cs
- HtmlTernaryTree.cs
- WebAdminConfigurationHelper.cs
- DesignerOptionService.cs
- DeviceContext2.cs
- ProcessModelInfo.cs
- DataServiceQueryProvider.cs
- MessagingDescriptionAttribute.cs
- AssemblyUtil.cs
- SqlDataSourceQuery.cs
- DataGridAddNewRow.cs
- WebPartManager.cs
- ServiceParser.cs
- NTAccount.cs
- TimeSpanMinutesOrInfiniteConverter.cs
- webbrowsersite.cs
- UIElementAutomationPeer.cs