Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Base / System / Windows / Markup / DateTimeValueSerializer.cs / 2 / DateTimeValueSerializer.cs
/****************************************************************************\ * * File: DateTimeValueSerializer.cs * \***************************************************************************/ using System.Globalization; using System.Text; namespace System.Windows.Markup { //+------------------------------------------------------------------------------------- // // DateTimeValueSerializer // // This class converts DateTime values to/from string. We don't use the DateTimeConverter // because it doesn't support custom cultures, and in Xaml we require the converter to // support en-us culture. // //+------------------------------------------------------------------------------------- ////// ValueSerializer for DateTime. /// public class DateTimeValueSerializer : ValueSerializer { ////// Initializes a new instance of the public DateTimeValueSerializer() { } ///class. /// /// Indicate that we do convert DateTime's from string. /// public override bool CanConvertFromString(string value, IValueSerializerContext context) { return true; } ////// Indicate that we do convert a DateTime to string. /// public override bool CanConvertToString(object value, IValueSerializerContext context) { // Validate the input type if ( !(value is DateTime)) { return false; } return true; } ////// Converts the given value object to a public override object ConvertFromString(string value, IValueSerializerContext context) { // Validate and clean up input. if( value == null ) { throw GetConvertFromException(value); } if( value.Length == 0 ) { return DateTime.MinValue; } // Get a DateTimeFormatInfo CultureInfo culture = CultureInfo.GetCultureInfo("en-US"); DateTimeFormatInfo dateTimeFormatInfo; dateTimeFormatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); // Set the formatting style for round-tripping and to trim the string. DateTimeStyles dateTimeStyles = DateTimeStyles.RoundtripKind | DateTimeStyles.NoCurrentDateDefault | DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite; // Create the DateTime, using the DateTimeInfo if possible, and the culture otherwise. if (dateTimeFormatInfo != null) { return DateTime.Parse(value, dateTimeFormatInfo, dateTimeStyles); } else { // The culture didn't have a DateTimeFormatInfo. return DateTime.Parse(value, culture, dateTimeStyles); } } ///. /// /// Converts the given value object to a public override string ConvertToString(object value, IValueSerializerContext context) { if( value == null || !(value is DateTime)) { throw GetConvertToException( value, typeof(string) ); } DateTime dateTime = (DateTime)value; // Build up the format string to be used in DateTime.ToString() StringBuilder formatString = new StringBuilder("yyyy-MM-dd"); if (dateTime.TimeOfDay.TotalSeconds == 0) { // The time portion of this DateTime is exactly at midnight. // We don't include the time component if the Kind is unspecified. // Otherwise, we're going to be including the time zone info, so'll // we'll have to include the time. if( dateTime.Kind != DateTimeKind.Unspecified ) { formatString.Append("'T'HH':'mm"); } } else { // We're going to write out at least the hours/minutes formatString.Append("'T'HH':'mm"); if (dateTime.TimeOfDay.Seconds != 0 || dateTime.TimeOfDay.Milliseconds != 0) { // We have seconds, so we'll write them out too. formatString.Append("':'ss"); if (dateTime.TimeOfDay.Milliseconds != 0) { // And we have milliseconds formatString.Append("'.'FFFFFFF"); } } } // Add the format specifier that indicates we want the DateTimeKind to be // included in the output formulation -- UTC gets written out with a "Z", // and Local gets written out with e.g. "-08:00" for Pacific Standard Time. formatString.Append("K"); // We've finally got our format string built, we can create the string. return dateTime.ToString(formatString.ToString(), CultureInfo.GetCultureInfo("en-US") ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. /****************************************************************************\ * * File: DateTimeValueSerializer.cs * \***************************************************************************/ using System.Globalization; using System.Text; namespace System.Windows.Markup { //+------------------------------------------------------------------------------------- // // DateTimeValueSerializer // // This class converts DateTime values to/from string. We don't use the DateTimeConverter // because it doesn't support custom cultures, and in Xaml we require the converter to // support en-us culture. // //+------------------------------------------------------------------------------------- ///using the arguments. /// /// ValueSerializer for DateTime. /// public class DateTimeValueSerializer : ValueSerializer { ////// Initializes a new instance of the public DateTimeValueSerializer() { } ///class. /// /// Indicate that we do convert DateTime's from string. /// public override bool CanConvertFromString(string value, IValueSerializerContext context) { return true; } ////// Indicate that we do convert a DateTime to string. /// public override bool CanConvertToString(object value, IValueSerializerContext context) { // Validate the input type if ( !(value is DateTime)) { return false; } return true; } ////// Converts the given value object to a public override object ConvertFromString(string value, IValueSerializerContext context) { // Validate and clean up input. if( value == null ) { throw GetConvertFromException(value); } if( value.Length == 0 ) { return DateTime.MinValue; } // Get a DateTimeFormatInfo CultureInfo culture = CultureInfo.GetCultureInfo("en-US"); DateTimeFormatInfo dateTimeFormatInfo; dateTimeFormatInfo = (DateTimeFormatInfo)culture.GetFormat(typeof(DateTimeFormatInfo)); // Set the formatting style for round-tripping and to trim the string. DateTimeStyles dateTimeStyles = DateTimeStyles.RoundtripKind | DateTimeStyles.NoCurrentDateDefault | DateTimeStyles.AllowLeadingWhite | DateTimeStyles.AllowTrailingWhite; // Create the DateTime, using the DateTimeInfo if possible, and the culture otherwise. if (dateTimeFormatInfo != null) { return DateTime.Parse(value, dateTimeFormatInfo, dateTimeStyles); } else { // The culture didn't have a DateTimeFormatInfo. return DateTime.Parse(value, culture, dateTimeStyles); } } ///. /// /// Converts the given value object to a public override string ConvertToString(object value, IValueSerializerContext context) { if( value == null || !(value is DateTime)) { throw GetConvertToException( value, typeof(string) ); } DateTime dateTime = (DateTime)value; // Build up the format string to be used in DateTime.ToString() StringBuilder formatString = new StringBuilder("yyyy-MM-dd"); if (dateTime.TimeOfDay.TotalSeconds == 0) { // The time portion of this DateTime is exactly at midnight. // We don't include the time component if the Kind is unspecified. // Otherwise, we're going to be including the time zone info, so'll // we'll have to include the time. if( dateTime.Kind != DateTimeKind.Unspecified ) { formatString.Append("'T'HH':'mm"); } } else { // We're going to write out at least the hours/minutes formatString.Append("'T'HH':'mm"); if (dateTime.TimeOfDay.Seconds != 0 || dateTime.TimeOfDay.Milliseconds != 0) { // We have seconds, so we'll write them out too. formatString.Append("':'ss"); if (dateTime.TimeOfDay.Milliseconds != 0) { // And we have milliseconds formatString.Append("'.'FFFFFFF"); } } } // Add the format specifier that indicates we want the DateTimeKind to be // included in the output formulation -- UTC gets written out with a "Z", // and Local gets written out with e.g. "-08:00" for Pacific Standard Time. formatString.Append("K"); // We've finally got our format string built, we can create the string. return dateTime.ToString(formatString.ToString(), CultureInfo.GetCultureInfo("en-US") ); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.using the arguments. ///
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TextTreeRootNode.cs
- ObjectItemLoadingSessionData.cs
- SrgsOneOf.cs
- ConnectionPoint.cs
- DESCryptoServiceProvider.cs
- DataObjectMethodAttribute.cs
- StreamWriter.cs
- SQLBinary.cs
- SqlErrorCollection.cs
- Pointer.cs
- ObjectStateEntry.cs
- ImportException.cs
- AppDomainUnloadedException.cs
- AesManaged.cs
- PlacementWorkspace.cs
- translator.cs
- X509Certificate2.cs
- SrgsElement.cs
- DataServiceExpressionVisitor.cs
- ActivityStatusChangeEventArgs.cs
- TaiwanLunisolarCalendar.cs
- IntegerFacetDescriptionElement.cs
- StringWriter.cs
- PageFunction.cs
- BaseConfigurationRecord.cs
- PreviousTrackingServiceAttribute.cs
- ScopelessEnumAttribute.cs
- AvTraceFormat.cs
- ComboBoxItem.cs
- ExpressionBuilderContext.cs
- Misc.cs
- XmlSchemaAnnotation.cs
- PersonalizableTypeEntry.cs
- ReversePositionQuery.cs
- Operand.cs
- CustomActivityDesigner.cs
- ApplicationFileParser.cs
- ServiceReference.cs
- ListBase.cs
- ToolTipAutomationPeer.cs
- FileDataSourceCache.cs
- WebRequestModuleElement.cs
- SplitContainerDesigner.cs
- CommandExpr.cs
- LinkArea.cs
- TogglePattern.cs
- DataSourceControlBuilder.cs
- TypedTableBase.cs
- X509CertificateCollection.cs
- HtmlInputFile.cs
- DataGridViewRowPrePaintEventArgs.cs
- FileSystemInfo.cs
- GenericRootAutomationPeer.cs
- ImageFormat.cs
- SmtpSection.cs
- InstanceKeyView.cs
- LinqDataSourceInsertEventArgs.cs
- StringConverter.cs
- ConfigXmlAttribute.cs
- DataQuery.cs
- HttpHandler.cs
- InternalConfigSettingsFactory.cs
- SspiHelper.cs
- SqlEnums.cs
- WebMessageEncoderFactory.cs
- WindowInteropHelper.cs
- CallContext.cs
- HttpModulesInstallComponent.cs
- Parameter.cs
- XmlReader.cs
- ProjectionQueryOptionExpression.cs
- UnsafeCollabNativeMethods.cs
- ZipIOBlockManager.cs
- BigInt.cs
- DataGridViewColumnDividerDoubleClickEventArgs.cs
- ArgumentException.cs
- EUCJPEncoding.cs
- BridgeDataReader.cs
- DialogResultConverter.cs
- WCFModelStrings.Designer.cs
- SplitContainer.cs
- RemotingService.cs
- EntityDesignPluralizationHandler.cs
- InfoCardRSAPKCS1SignatureDeformatter.cs
- CrossContextChannel.cs
- SqlTypesSchemaImporter.cs
- RSAProtectedConfigurationProvider.cs
- SQLInt64.cs
- PolicyImporterElementCollection.cs
- AuthenticationException.cs
- ClockGroup.cs
- linebase.cs
- ChannelToken.cs
- ResolveCriteriaApril2005.cs
- BitmapVisualManager.cs
- ProxyElement.cs
- WebPartDisplayMode.cs
- TcpHostedTransportConfiguration.cs
- ListViewItem.cs
- WebConfigurationHostFileChange.cs