Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / DateTimeOffsetConverter.cs / 1305376 / DateTimeOffsetConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* DevDiv Bugs 181818: DateTimeOffset should have a type converter just like DateTime. This converter should behave just like DateTimeConverter only it should convert DateTimeOffsets. The code was copied from DateTimeConverter and adapted for DateTimeOffset. */ 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; ////// [HostProtection(SharedState = true)] public class DateTimeOffsetConverter : 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(); if (text.Length == 0) { return DateTimeOffset.MinValue; } try { // See if we have a culture info to parse with. If so, then use it. // DateTimeFormatInfo formatInfo = null; if (culture != null ) { formatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); } if (formatInfo != null) { return DateTimeOffset.Parse(text, formatInfo); } else { return DateTimeOffset.Parse(text, culture); } } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "DateTimeOffset"), e); } } return base.ConvertFrom(context, culture, value); } ///Converts the given value object to a ////// object. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { // logic is exactly as in DateTimeConverter, only the offset pattern ' zzz' is added to the default // ConvertToString pattern. if (destinationType == typeof(string) && value is DateTimeOffset) { DateTimeOffset dto = (DateTimeOffset) value; if (dto == DateTimeOffset.MinValue) { return string.Empty; } if (culture == null) { culture = CultureInfo.CurrentCulture; } DateTimeFormatInfo formatInfo = null; formatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); string format; if (culture == CultureInfo.InvariantCulture) { // note: the y/m/d format used when there is or isn't a time component is not consistent // when the culture is invariant, because for some reason InvariantCulture's date format is // MM/dd/yyyy. However, this matches the behavior of DateTimeConverter so it is preserved here. if (dto.TimeOfDay.TotalSeconds == 0) { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds==0 // but with ' zzz' offset pattern added. return dto.ToString("yyyy-MM-dd zzz", culture); } else { return dto.ToString(culture); } } if (dto.TimeOfDay.TotalSeconds == 0) { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds==0 // but with ' zzz' offset pattern added. format = formatInfo.ShortDatePattern + " zzz"; } else { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds!=0 // but with ' zzz' offset pattern added. format = formatInfo.ShortDatePattern + " " + formatInfo.ShortTimePattern + " zzz"; } return dto.ToString(format, CultureInfo.CurrentCulture); } if (destinationType == typeof(InstanceDescriptor) && value is DateTimeOffset) { DateTimeOffset dto = (DateTimeOffset)value; if (dto.Ticks == 0) { // Make a special case for the empty DateTimeOffset // ConstructorInfo ctr = typeof(DateTimeOffset).GetConstructor(new Type[] {typeof(Int64)}); if (ctr != null) { return new InstanceDescriptor(ctr, new object[] { dto.Ticks }); } } ConstructorInfo ctor = typeof(DateTimeOffset).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(TimeSpan) }); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { dto.Year, dto.Month, dto.Day, dto.Hour, dto.Minute, dto.Second, dto.Millisecond, dto.Offset }); } } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //Converts the given value object to a ////// object /// using the arguments. // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* DevDiv Bugs 181818: DateTimeOffset should have a type converter just like DateTime. This converter should behave just like DateTimeConverter only it should convert DateTimeOffsets. The code was copied from DateTimeConverter and adapted for DateTimeOffset. */ 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; ////// [HostProtection(SharedState = true)] public class DateTimeOffsetConverter : 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(); if (text.Length == 0) { return DateTimeOffset.MinValue; } try { // See if we have a culture info to parse with. If so, then use it. // DateTimeFormatInfo formatInfo = null; if (culture != null ) { formatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); } if (formatInfo != null) { return DateTimeOffset.Parse(text, formatInfo); } else { return DateTimeOffset.Parse(text, culture); } } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "DateTimeOffset"), e); } } return base.ConvertFrom(context, culture, value); } ///Converts the given value object to a ////// object. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { // logic is exactly as in DateTimeConverter, only the offset pattern ' zzz' is added to the default // ConvertToString pattern. if (destinationType == typeof(string) && value is DateTimeOffset) { DateTimeOffset dto = (DateTimeOffset) value; if (dto == DateTimeOffset.MinValue) { return string.Empty; } if (culture == null) { culture = CultureInfo.CurrentCulture; } DateTimeFormatInfo formatInfo = null; formatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); string format; if (culture == CultureInfo.InvariantCulture) { // note: the y/m/d format used when there is or isn't a time component is not consistent // when the culture is invariant, because for some reason InvariantCulture's date format is // MM/dd/yyyy. However, this matches the behavior of DateTimeConverter so it is preserved here. if (dto.TimeOfDay.TotalSeconds == 0) { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds==0 // but with ' zzz' offset pattern added. return dto.ToString("yyyy-MM-dd zzz", culture); } else { return dto.ToString(culture); } } if (dto.TimeOfDay.TotalSeconds == 0) { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds==0 // but with ' zzz' offset pattern added. format = formatInfo.ShortDatePattern + " zzz"; } else { // pattern just like DateTimeConverter when DateTime.TimeOfDay.TotalSeconds!=0 // but with ' zzz' offset pattern added. format = formatInfo.ShortDatePattern + " " + formatInfo.ShortTimePattern + " zzz"; } return dto.ToString(format, CultureInfo.CurrentCulture); } if (destinationType == typeof(InstanceDescriptor) && value is DateTimeOffset) { DateTimeOffset dto = (DateTimeOffset)value; if (dto.Ticks == 0) { // Make a special case for the empty DateTimeOffset // ConstructorInfo ctr = typeof(DateTimeOffset).GetConstructor(new Type[] {typeof(Int64)}); if (ctr != null) { return new InstanceDescriptor(ctr, new object[] { dto.Ticks }); } } ConstructorInfo ctor = typeof(DateTimeOffset).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(TimeSpan) }); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { dto.Year, dto.Month, dto.Day, dto.Hour, dto.Minute, dto.Second, dto.Millisecond, dto.Offset }); } } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.Converts the given value object to a ////// object /// using the arguments.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- InfoCardService.cs
- ScriptRegistrationManager.cs
- WebPartEditorCancelVerb.cs
- TypeValidationEventArgs.cs
- LinkLabel.cs
- SqlGatherConsumedAliases.cs
- TableRowGroupCollection.cs
- SpeechAudioFormatInfo.cs
- FontEmbeddingManager.cs
- ClientTargetSection.cs
- ContractsBCL.cs
- XmlCharCheckingReader.cs
- TokenBasedSetEnumerator.cs
- BitmapEffectGroup.cs
- ItemCheckEvent.cs
- ComponentChangedEvent.cs
- CompiledQueryCacheKey.cs
- UrlAuthorizationModule.cs
- ListControlDesigner.cs
- ObjectStorage.cs
- XmlUtil.cs
- COM2IPerPropertyBrowsingHandler.cs
- HostAdapter.cs
- DbgCompiler.cs
- KeyValueConfigurationElement.cs
- ProcessModelSection.cs
- WebPartDisplayModeCollection.cs
- TrustSection.cs
- AuthorizationPolicyTypeElementCollection.cs
- SspiSafeHandles.cs
- CombinedGeometry.cs
- HttpCookieCollection.cs
- DataServiceBuildProvider.cs
- ErrorFormatterPage.cs
- XmlSchemaGroup.cs
- IteratorAsyncResult.cs
- WebExceptionStatus.cs
- XslException.cs
- HashAlgorithm.cs
- PassportIdentity.cs
- XmlIncludeAttribute.cs
- TileBrush.cs
- RepeatBehavior.cs
- AllMembershipCondition.cs
- Variant.cs
- StreamSecurityUpgradeAcceptor.cs
- MeasurementDCInfo.cs
- GeometryHitTestParameters.cs
- xmlglyphRunInfo.cs
- ProfileSection.cs
- TreeViewImageGenerator.cs
- MissingSatelliteAssemblyException.cs
- DataGridViewCell.cs
- BamlResourceDeserializer.cs
- WindowsFormsSynchronizationContext.cs
- StandardToolWindows.cs
- XMLDiffLoader.cs
- GeneratedContractType.cs
- CurrentChangingEventManager.cs
- PrimitiveXmlSerializers.cs
- Pens.cs
- MsmqProcessProtocolHandler.cs
- XPathParser.cs
- XmlTextEncoder.cs
- Pair.cs
- IgnoreDataMemberAttribute.cs
- SrgsSemanticInterpretationTag.cs
- ObjectListDataBindEventArgs.cs
- WebPartVerbsEventArgs.cs
- Transform3D.cs
- PrimitiveCodeDomSerializer.cs
- InlineObject.cs
- ActivityDesignerLayoutSerializers.cs
- ColumnHeaderConverter.cs
- WebServiceClientProxyGenerator.cs
- RawUIStateInputReport.cs
- Int64Converter.cs
- InfoCardTraceRecord.cs
- TemplateLookupAction.cs
- Privilege.cs
- ContextBase.cs
- Roles.cs
- GeneralTransform2DTo3D.cs
- DataGridColumnReorderingEventArgs.cs
- ToolStripPanelRow.cs
- FontWeightConverter.cs
- FontClient.cs
- InternalControlCollection.cs
- ZipPackage.cs
- StrictModeSecurityHeaderElementInferenceEngine.cs
- UInt32.cs
- AuthenticationConfig.cs
- ToolStripPanelRenderEventArgs.cs
- _Rfc2616CacheValidators.cs
- RightsDocument.cs
- RNGCryptoServiceProvider.cs
- ReadOnlyDataSourceView.cs
- InstancePersistenceCommandException.cs
- ReturnType.cs
- ErrorHandlingAcceptor.cs