Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / TimeSpanConverter.cs / 1 / TimeSpanConverter.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; using System.Threading; ////// [HostProtection(SharedState = true)] public class TimeSpanConverter : 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(); try { return TimeSpan.Parse(text); } catch (FormatException e) { throw new FormatException(SR.GetString(SR.ConvertInvalidPrimitive, (string)value, "TimeSpan"), e); } } return base.ConvertFrom(context, culture, value); } ///Converts the given object to a ////// object. /// Converts the given object to another type. The most common types to convert /// are to and from a string object. The default implementation will make a call /// to ToString on the object if the object is valid and if the destination /// type is string. If this cannot convert to the desitnation type, this will /// throw a NotSupportedException. /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(InstanceDescriptor) && value is TimeSpan) { MethodInfo method = typeof(TimeSpan).GetMethod("Parse", new Type[] {typeof(string)}); if (method != null) { return new InstanceDescriptor(method, new object[] {value.ToString()}); } } return base.ConvertTo(context, culture, value, destinationType); } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- GuidTagList.cs
- LongTypeConverter.cs
- CookieHandler.cs
- StandardToolWindows.cs
- XmlChoiceIdentifierAttribute.cs
- Vector3DAnimation.cs
- SslStream.cs
- QilGenerator.cs
- DynamicPropertyHolder.cs
- UrlPropertyAttribute.cs
- ToolStripItemDesigner.cs
- DictionaryItemsCollection.cs
- ConfigurationValues.cs
- DeviceContext2.cs
- Triplet.cs
- RubberbandSelector.cs
- ProviderSettings.cs
- PageBreakRecord.cs
- LongSumAggregationOperator.cs
- FixedBufferAttribute.cs
- DataGridViewCellPaintingEventArgs.cs
- SafeProcessHandle.cs
- HotSpot.cs
- _CacheStreams.cs
- MobileListItem.cs
- ProtocolsConfigurationHandler.cs
- UpDownEvent.cs
- DataFieldCollectionEditor.cs
- COM2PropertyDescriptor.cs
- InputDevice.cs
- XmlSerializerVersionAttribute.cs
- EditingCommands.cs
- FieldNameLookup.cs
- AdPostCacheSubstitution.cs
- CapabilitiesRule.cs
- InputBindingCollection.cs
- CodeNamespaceImport.cs
- FormViewDeletedEventArgs.cs
- SyndicationItem.cs
- AllMembershipCondition.cs
- UInt32Converter.cs
- DBConnection.cs
- BinaryFormatterWriter.cs
- FontStyles.cs
- CodeGenerator.cs
- DuplicateWaitObjectException.cs
- RemotingException.cs
- XmlSchemaSet.cs
- DataSourceDesigner.cs
- Pair.cs
- DefaultPropertyAttribute.cs
- FormClosingEvent.cs
- EditorBrowsableAttribute.cs
- EmptyStringExpandableObjectConverter.cs
- TextEncodedRawTextWriter.cs
- SqlNodeAnnotation.cs
- VersionedStream.cs
- UserControlParser.cs
- WebPartExportVerb.cs
- Automation.cs
- CompoundFileIOPermission.cs
- PropertyMappingExceptionEventArgs.cs
- IImplicitResourceProvider.cs
- CollectionDataContract.cs
- IDQuery.cs
- Regex.cs
- XmlSchemaGroup.cs
- SQLBoolean.cs
- QueryInterceptorAttribute.cs
- FontSource.cs
- SystemIcmpV4Statistics.cs
- WebPartConnectionsCloseVerb.cs
- TextBoxView.cs
- x509utils.cs
- SmtpTransport.cs
- DrawingGroup.cs
- PieceDirectory.cs
- IsolationInterop.cs
- WindowAutomationPeer.cs
- DrawingContextDrawingContextWalker.cs
- TimeoutTimer.cs
- ClientScriptManager.cs
- DeferredRunTextReference.cs
- GridViewEditEventArgs.cs
- BindingContext.cs
- RegexGroupCollection.cs
- PbrsForward.cs
- CellCreator.cs
- WebConfigurationHostFileChange.cs
- HMAC.cs
- DesignerSerializationOptionsAttribute.cs
- XmlQueryContext.cs
- CursorEditor.cs
- BaseParagraph.cs
- StringHandle.cs
- WebPartAddingEventArgs.cs
- ObjectDataSourceView.cs
- ScrollItemProviderWrapper.cs
- CustomErrorsSectionWrapper.cs
- CommandLibraryHelper.cs