Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / 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
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RemotingConfigParser.cs
- WebEncodingValidatorAttribute.cs
- XPathCompileException.cs
- MethodExpr.cs
- GlyphShapingProperties.cs
- DynamicILGenerator.cs
- ErrorHandler.cs
- propertytag.cs
- HwndSourceKeyboardInputSite.cs
- ByteArrayHelperWithString.cs
- StringToken.cs
- ListSortDescription.cs
- InheritedPropertyDescriptor.cs
- GlobalizationAssembly.cs
- TiffBitmapEncoder.cs
- NamespaceMapping.cs
- OdbcConnectionFactory.cs
- MembershipPasswordException.cs
- XmlNamespaceDeclarationsAttribute.cs
- ArrayWithOffset.cs
- SqlTopReducer.cs
- TypeConstant.cs
- SchemaManager.cs
- WindowsRichEditRange.cs
- Transform3DGroup.cs
- MessagePartSpecification.cs
- Stackframe.cs
- SystemIPv4InterfaceProperties.cs
- XPathSingletonIterator.cs
- XamlWriter.cs
- EventWaitHandleSecurity.cs
- DetailsViewUpdatedEventArgs.cs
- LockRenewalTask.cs
- Highlights.cs
- PolicyValidationException.cs
- DynamicHyperLink.cs
- FontWeights.cs
- CollectionView.cs
- TearOffProxy.cs
- ConnectionInterfaceCollection.cs
- Nullable.cs
- EventLogEntryCollection.cs
- SiteMapProvider.cs
- sqlstateclientmanager.cs
- DataGridLinkButton.cs
- ReachPageContentSerializerAsync.cs
- AsyncOperation.cs
- Util.cs
- XmlObjectSerializerContext.cs
- TrustExchangeException.cs
- TextEffect.cs
- SerializerProvider.cs
- ReceiveContextCollection.cs
- FontFamily.cs
- XmlSchemaObject.cs
- SafeLocalMemHandle.cs
- ToolStripSplitButton.cs
- VectorConverter.cs
- RegexReplacement.cs
- messageonlyhwndwrapper.cs
- DataGridViewCheckBoxCell.cs
- AttributeCollection.cs
- LinqDataSourceContextEventArgs.cs
- AnnotationService.cs
- HttpException.cs
- AsymmetricAlgorithm.cs
- EventSetter.cs
- DbDataSourceEnumerator.cs
- ZipIOLocalFileDataDescriptor.cs
- MailSettingsSection.cs
- CheckBoxField.cs
- OracleNumber.cs
- PowerStatus.cs
- SynchronizedDispatch.cs
- ToolZone.cs
- DynamicEntity.cs
- TdsParserSafeHandles.cs
- XmlSecureResolver.cs
- PrivilegedConfigurationManager.cs
- ControlDesignerState.cs
- BuildProviderAppliesToAttribute.cs
- PublisherIdentityPermission.cs
- SyndicationDeserializer.cs
- RelatedCurrencyManager.cs
- ConfigurationValue.cs
- CmsInterop.cs
- ExclusiveTcpListener.cs
- GacUtil.cs
- GregorianCalendarHelper.cs
- UIElementAutomationPeer.cs
- EventSourceCreationData.cs
- PageEventArgs.cs
- DesignSurfaceCollection.cs
- JavaScriptObjectDeserializer.cs
- BaseAppDomainProtocolHandler.cs
- NativeMethods.cs
- httpstaticobjectscollection.cs
- CodeNamespace.cs
- Workspace.cs
- EasingFunctionBase.cs