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
- QuotaExceededException.cs
- PasswordBoxAutomationPeer.cs
- ComMethodElement.cs
- DataKeyCollection.cs
- EntityDataSourceWizardForm.cs
- Opcode.cs
- DataServiceEntityAttribute.cs
- ListItem.cs
- Resources.Designer.cs
- SelectionProcessor.cs
- SecurityPermission.cs
- DesignerActionItemCollection.cs
- ThemeDirectoryCompiler.cs
- MenuItemCollection.cs
- EditorZone.cs
- DocumentPage.cs
- X509Certificate2Collection.cs
- Maps.cs
- HttpModuleCollection.cs
- ToolBarButton.cs
- EmbeddedMailObjectCollectionEditor.cs
- ContentHostHelper.cs
- XhtmlBasicCommandAdapter.cs
- ToolStripPanelRenderEventArgs.cs
- PasswordDeriveBytes.cs
- CodeAccessPermission.cs
- MenuItemStyleCollection.cs
- DataServiceKeyAttribute.cs
- ProcessDesigner.cs
- Brush.cs
- CoTaskMemHandle.cs
- ComPlusInstanceProvider.cs
- ActivityAction.cs
- ProtocolsInstallComponent.cs
- MarkupExtensionParser.cs
- FormsAuthenticationCredentials.cs
- APCustomTypeDescriptor.cs
- AncestorChangedEventArgs.cs
- ToolStripContentPanel.cs
- DiscoveryRequestHandler.cs
- ExceptQueryOperator.cs
- DataGridViewCellStyleConverter.cs
- TraceSource.cs
- ProvidePropertyAttribute.cs
- DataGridViewCellPaintingEventArgs.cs
- SurrogateSelector.cs
- CopyOfAction.cs
- WsdlImporter.cs
- ParameterReplacerVisitor.cs
- Point4D.cs
- log.cs
- WebBrowserPermission.cs
- SqlFunctionAttribute.cs
- DesignerSerializationOptionsAttribute.cs
- IntSecurity.cs
- mediaclock.cs
- SchemaNotation.cs
- DataMemberAttribute.cs
- OutKeywords.cs
- HttpHandlersSection.cs
- RSAPKCS1SignatureDeformatter.cs
- WriteLineDesigner.xaml.cs
- LabelInfo.cs
- URLString.cs
- Module.cs
- FormViewDeletedEventArgs.cs
- TimeSpanStorage.cs
- PositiveTimeSpanValidator.cs
- PolyBezierSegment.cs
- DoubleKeyFrameCollection.cs
- IChannel.cs
- DataObjectMethodAttribute.cs
- ThreadStartException.cs
- TimelineCollection.cs
- CurrentChangingEventArgs.cs
- Logging.cs
- DesignerActionVerbItem.cs
- PenContexts.cs
- AnnotationResourceChangedEventArgs.cs
- ContentControl.cs
- MemberDomainMap.cs
- ScrollBarRenderer.cs
- ThreadInterruptedException.cs
- SR.cs
- XmlValidatingReader.cs
- CurrencyWrapper.cs
- PropertyToken.cs
- FormsAuthentication.cs
- EditingScope.cs
- TemplateManager.cs
- ScrollChangedEventArgs.cs
- DESCryptoServiceProvider.cs
- Decorator.cs
- CodeMemberField.cs
- HebrewCalendar.cs
- StaticFileHandler.cs
- HttpsHostedTransportConfiguration.cs
- XmlSchemaElement.cs
- SqlServer2KCompatibilityAnnotation.cs
- WindowPattern.cs