Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CompMod / System / ComponentModel / DateTimeConverter.cs / 1 / DateTimeConverter.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; ////// [HostProtection(SharedState = true)] public class DateTimeConverter : 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 DateTime.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 DateTime.Parse(text, formatInfo); } else { return DateTime.Parse(text, culture); } } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "DateTime"), 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) { if (destinationType == typeof(string) && value is DateTime) { DateTime dt = (DateTime) value; if (dt == DateTime.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) { if (dt.TimeOfDay.TotalSeconds == 0) { return dt.ToString("yyyy-MM-dd", culture); } else { return dt.ToString(culture); } } if (dt.TimeOfDay.TotalSeconds == 0) { format = formatInfo.ShortDatePattern; } else { format = formatInfo.ShortDatePattern + " " + formatInfo.ShortTimePattern; } return dt.ToString(format, CultureInfo.CurrentCulture); } if (destinationType == typeof(InstanceDescriptor) && value is DateTime) { DateTime dt = (DateTime)value; if (dt.Ticks == 0) { // Make a special case for the empty DateTime // ConstructorInfo ctr = typeof(DateTime).GetConstructor(new Type[] {typeof(Int64)}); if (ctr != null) { return new InstanceDescriptor(ctr, new object[] { dt.Ticks }); } } ConstructorInfo ctor = typeof(DateTime).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, dt.Millisecond}); } } 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. // //----------------------------------------------------------------------------- /* */ 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 DateTimeConverter : 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 DateTime.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 DateTime.Parse(text, formatInfo); } else { return DateTime.Parse(text, culture); } } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "DateTime"), 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) { if (destinationType == typeof(string) && value is DateTime) { DateTime dt = (DateTime) value; if (dt == DateTime.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) { if (dt.TimeOfDay.TotalSeconds == 0) { return dt.ToString("yyyy-MM-dd", culture); } else { return dt.ToString(culture); } } if (dt.TimeOfDay.TotalSeconds == 0) { format = formatInfo.ShortDatePattern; } else { format = formatInfo.ShortDatePattern + " " + formatInfo.ShortTimePattern; } return dt.ToString(format, CultureInfo.CurrentCulture); } if (destinationType == typeof(InstanceDescriptor) && value is DateTime) { DateTime dt = (DateTime)value; if (dt.Ticks == 0) { // Make a special case for the empty DateTime // ConstructorInfo ctr = typeof(DateTime).GetConstructor(new Type[] {typeof(Int64)}); if (ctr != null) { return new InstanceDescriptor(ctr, new object[] { dt.Ticks }); } } ConstructorInfo ctor = typeof(DateTime).GetConstructor(new Type[] { typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int), typeof(int)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] { dt.Year, dt.Month, dt.Day, dt.Hour, dt.Minute, dt.Second, dt.Millisecond}); } } 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
- AnimationClock.cs
- ValidationHelper.cs
- HtmlWindowCollection.cs
- CancellationHandler.cs
- XPathDocumentNavigator.cs
- DataMemberConverter.cs
- ControlType.cs
- InstanceLockTracking.cs
- XNameTypeConverter.cs
- UrlAuthFailedErrorFormatter.cs
- embossbitmapeffect.cs
- SurrogateEncoder.cs
- PrincipalPermission.cs
- GenericPrincipal.cs
- CompressedStack.cs
- Thumb.cs
- TemplateControlBuildProvider.cs
- TableCell.cs
- PauseStoryboard.cs
- UnsafeNativeMethods.cs
- PropertyTabChangedEvent.cs
- XmlnsDefinitionAttribute.cs
- GorillaCodec.cs
- UserControlCodeDomTreeGenerator.cs
- SoapExtensionTypeElementCollection.cs
- HtmlInputText.cs
- GeometryGroup.cs
- PersistChildrenAttribute.cs
- ClientFormsIdentity.cs
- EdmComplexTypeAttribute.cs
- EnterpriseServicesHelper.cs
- ReplyChannelAcceptor.cs
- XmlSchemaAttribute.cs
- RepeaterItem.cs
- AssemblyNameUtility.cs
- Translator.cs
- WizardPanelChangingEventArgs.cs
- DataService.cs
- DesignerCalendarAdapter.cs
- ChannelEndpointElementCollection.cs
- NavigatorOutput.cs
- BooleanConverter.cs
- WebDescriptionAttribute.cs
- SelectionList.cs
- _SecureChannel.cs
- precedingsibling.cs
- TypeInfo.cs
- SignedPkcs7.cs
- XmlIlVisitor.cs
- XmlSerializerSection.cs
- OleDbMetaDataFactory.cs
- MouseGesture.cs
- ColumnWidthChangedEvent.cs
- MemberMaps.cs
- Viewport3DAutomationPeer.cs
- PackageRelationship.cs
- BufferedWebEventProvider.cs
- Rect3D.cs
- WindowsMenu.cs
- CodeConstructor.cs
- SafeFindHandle.cs
- ObjectAnimationUsingKeyFrames.cs
- SymmetricAlgorithm.cs
- TextServicesContext.cs
- RequestCachingSection.cs
- RegisteredExpandoAttribute.cs
- FieldBuilder.cs
- _Semaphore.cs
- DataTable.cs
- EventLogPermissionEntry.cs
- RenderDataDrawingContext.cs
- CmsInterop.cs
- HashMembershipCondition.cs
- MediaPlayerState.cs
- SpeakInfo.cs
- SymDocumentType.cs
- Codec.cs
- DriveInfo.cs
- ConsoleCancelEventArgs.cs
- FixedElement.cs
- AuthenticationService.cs
- SystemIPv6InterfaceProperties.cs
- ToolStripPanelSelectionGlyph.cs
- TagPrefixAttribute.cs
- DataGridViewImageColumn.cs
- Dynamic.cs
- SystemIPv4InterfaceProperties.cs
- AsymmetricKeyExchangeDeformatter.cs
- SmtpNegotiateAuthenticationModule.cs
- QilPatternFactory.cs
- Annotation.cs
- OdbcDataAdapter.cs
- RawUIStateInputReport.cs
- unitconverter.cs
- DefaultIfEmptyQueryOperator.cs
- MaskedTextBoxDesignerActionList.cs
- Visitor.cs
- EventManager.cs
- PriorityItem.cs
- CodeMethodInvokeExpression.cs