Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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
- storepermission.cs
- WindowsScrollBar.cs
- AuthenticateEventArgs.cs
- GridView.cs
- CqlLexerHelpers.cs
- SQLDecimalStorage.cs
- BlockUIContainer.cs
- ContainerControl.cs
- SafeWaitHandle.cs
- AmbientProperties.cs
- AnchoredBlock.cs
- TextEditorThreadLocalStore.cs
- ListBindableAttribute.cs
- EntityParameterCollection.cs
- DialogResultConverter.cs
- EmbeddedMailObject.cs
- XmlSchemaComplexType.cs
- SystemInformation.cs
- PerformanceCounter.cs
- EncoderParameters.cs
- CacheModeConverter.cs
- UpdatableWrapper.cs
- Parser.cs
- ISSmlParser.cs
- Thumb.cs
- TextTabProperties.cs
- SelectionEditor.cs
- ExpanderAutomationPeer.cs
- ReadContentAsBinaryHelper.cs
- MethodToken.cs
- SimpleModelProvider.cs
- ProviderException.cs
- SafeSecurityHandles.cs
- Rotation3DKeyFrameCollection.cs
- ExtensibleSyndicationObject.cs
- WizardForm.cs
- FilterElement.cs
- DbProviderFactoriesConfigurationHandler.cs
- PolicyReader.cs
- Separator.cs
- UdpReplyToBehavior.cs
- BitmapDecoder.cs
- DebugHandleTracker.cs
- XmlSchemaAll.cs
- ReturnEventArgs.cs
- TextLineBreak.cs
- Lazy.cs
- DataServiceKeyAttribute.cs
- GridViewUpdateEventArgs.cs
- ProjectedSlot.cs
- NonClientArea.cs
- XmlDocumentSurrogate.cs
- DataColumnMapping.cs
- NewExpression.cs
- CodeTypeOfExpression.cs
- ApplicationManager.cs
- DbgCompiler.cs
- ClassHandlersStore.cs
- ClientOptions.cs
- EventLogPermissionAttribute.cs
- WebEventTraceProvider.cs
- HelpKeywordAttribute.cs
- DeviceContexts.cs
- XmlDocumentType.cs
- BitmapCodecInfo.cs
- ExtendedProtectionPolicy.cs
- StyleModeStack.cs
- ExceptionNotification.cs
- QueryParameter.cs
- TransformedBitmap.cs
- GridViewColumnHeaderAutomationPeer.cs
- CodeDomLoader.cs
- ConfigXmlCDataSection.cs
- HeaderedItemsControl.cs
- XpsFilter.cs
- WebPartConnectionsEventArgs.cs
- DataPagerFieldCollection.cs
- DeleteBookmarkScope.cs
- COM2ExtendedTypeConverter.cs
- SchemaEntity.cs
- HttpGetClientProtocol.cs
- ApplicationFileCodeDomTreeGenerator.cs
- DocumentOutline.cs
- StopStoryboard.cs
- SoapAttributes.cs
- SQLByte.cs
- ButtonRenderer.cs
- WsdlBuildProvider.cs
- WindowsSpinner.cs
- TextEvent.cs
- ResourceDescriptionAttribute.cs
- MimeParameter.cs
- AsymmetricKeyExchangeFormatter.cs
- DaylightTime.cs
- __Error.cs
- RelationshipDetailsRow.cs
- TripleDES.cs
- BitmapCodecInfo.cs
- TemplatePartAttribute.cs
- CapiSymmetricAlgorithm.cs