Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / CompMod / System / ComponentModel / DateTimeOffsetConverter.cs / 1 / 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
- TypedTableBaseExtensions.cs
- TextTreeFixupNode.cs
- EncryptedXml.cs
- QueryPageSettingsEventArgs.cs
- MouseBinding.cs
- LinqExpressionNormalizer.cs
- __Error.cs
- WebAdminConfigurationHelper.cs
- EditCommandColumn.cs
- ScriptResourceDefinition.cs
- ToolStripOverflow.cs
- SplineQuaternionKeyFrame.cs
- PaintEvent.cs
- ProfileEventArgs.cs
- MemberDescriptor.cs
- DeferredSelectedIndexReference.cs
- XmlSchemaInfo.cs
- InputLanguageSource.cs
- ListenerElementsCollection.cs
- DataGridViewCellConverter.cs
- CustomExpression.cs
- LoginUtil.cs
- OleDbRowUpdatingEvent.cs
- Message.cs
- PageContentCollection.cs
- GlyphManager.cs
- tibetanshape.cs
- PropertyValueChangedEvent.cs
- Transform3D.cs
- GCHandleCookieTable.cs
- filewebrequest.cs
- OperationPickerDialog.designer.cs
- FunctionMappingTranslator.cs
- WizardPanelChangingEventArgs.cs
- Msec.cs
- CellQuery.cs
- NativeObjectSecurity.cs
- CompilerScopeManager.cs
- TypefaceCollection.cs
- XmlResolver.cs
- PerfCounterSection.cs
- ListViewItem.cs
- ImportFileRequest.cs
- HelloOperationAsyncResult.cs
- DirectoryObjectSecurity.cs
- WebPartConnectionsCancelEventArgs.cs
- ArgumentException.cs
- ContextProperty.cs
- CodeArrayIndexerExpression.cs
- DisplayNameAttribute.cs
- AsyncResult.cs
- DependencyObjectProvider.cs
- ViewBox.cs
- InvokerUtil.cs
- VisualTreeHelper.cs
- FormattedText.cs
- HandlerBase.cs
- DeviceFilterEditorDialog.cs
- Attributes.cs
- ResourceWriter.cs
- WebPartTransformer.cs
- AutomationPatternInfo.cs
- MatrixTransform3D.cs
- BinaryMethodMessage.cs
- ProcessThread.cs
- TextTreeObjectNode.cs
- ChannelProtectionRequirements.cs
- Setter.cs
- TextRunCache.cs
- TrustManagerMoreInformation.cs
- BasicCellRelation.cs
- ConfigXmlText.cs
- PropagatorResult.cs
- BindingManagerDataErrorEventArgs.cs
- RefreshResponseInfo.cs
- TextParaClient.cs
- ProfileManager.cs
- ActiveXHost.cs
- BrowserCapabilitiesFactoryBase.cs
- DateTimeConstantAttribute.cs
- TreeViewAutomationPeer.cs
- TimeoutException.cs
- ConfigXmlAttribute.cs
- SQLCharsStorage.cs
- MatrixAnimationUsingKeyFrames.cs
- ColorAnimationUsingKeyFrames.cs
- MsmqReceiveParameters.cs
- ValueTable.cs
- TableRowCollection.cs
- ClientFactory.cs
- ExtensionDataReader.cs
- SqlFormatter.cs
- XhtmlCssHandler.cs
- OracleConnectionString.cs
- HtmlTextBoxAdapter.cs
- GradientStopCollection.cs
- Calendar.cs
- HashMembershipCondition.cs
- XamlPathDataSerializer.cs
- Panel.cs