Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CompMod / System / ComponentModel / GuidConverter.cs / 1305376 / GuidConverter.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 GuidConverter : TypeConverter { ///Provides a /// type converter to convert globally unique identifier 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 globally unique identifier object /// using the 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(); return new Guid(text); } return base.ConvertFrom(context, culture, value); } ///Converts /// the given object to a globally unique identifier 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 Guid) { ConstructorInfo ctor = typeof(Guid).GetConstructor(new Type[] {typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {value.ToString()}); } } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// 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 GuidConverter : TypeConverter { ///Provides a /// type converter to convert globally unique identifier 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 globally unique identifier object /// using the 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(); return new Guid(text); } return base.ConvertFrom(context, culture, value); } ///Converts /// the given object to a globally unique identifier 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 Guid) { ConstructorInfo ctor = typeof(Guid).GetConstructor(new Type[] {typeof(string)}); if (ctor != null) { return new InstanceDescriptor(ctor, new object[] {value.ToString()}); } } return base.ConvertTo(context, culture, value, destinationType); } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- RtfToXamlReader.cs
- WebPartTransformerCollection.cs
- WebPartCollection.cs
- DataGridViewMethods.cs
- CodeSubDirectoriesCollection.cs
- VariableModifiersHelper.cs
- DataServiceQueryOfT.cs
- VisualBasicReference.cs
- Matrix3DValueSerializer.cs
- ReflectPropertyDescriptor.cs
- TextElementEnumerator.cs
- TextElementCollectionHelper.cs
- PageEventArgs.cs
- SemaphoreSecurity.cs
- EntityWrapperFactory.cs
- AnnotationService.cs
- HtmlButton.cs
- StandardToolWindows.cs
- CustomAttribute.cs
- DiagnosticTraceRecords.cs
- WebPartCatalogAddVerb.cs
- HttpCapabilitiesSectionHandler.cs
- FontResourceCache.cs
- OrderPreservingSpoolingTask.cs
- InputGestureCollection.cs
- ScrollableControl.cs
- ProfileGroupSettingsCollection.cs
- WebRequestModulesSection.cs
- DataRow.cs
- Int64AnimationBase.cs
- DecoratedNameAttribute.cs
- HtmlTextBoxAdapter.cs
- UtilityExtension.cs
- DocumentReferenceCollection.cs
- BuildResultCache.cs
- ObjectRef.cs
- XPathConvert.cs
- IDQuery.cs
- _emptywebproxy.cs
- PartialClassGenerationTask.cs
- WebHttpBehavior.cs
- StrongNameIdentityPermission.cs
- StringKeyFrameCollection.cs
- XmlWrappingWriter.cs
- DataObjectAttribute.cs
- QueryGeneratorBase.cs
- Lookup.cs
- InputScopeNameConverter.cs
- StubHelpers.cs
- UIElementPropertyUndoUnit.cs
- _ProxyChain.cs
- ToolStripDesigner.cs
- XmlSignatureManifest.cs
- WebHostedComPlusServiceHost.cs
- RegexParser.cs
- TraversalRequest.cs
- ConcurrentBag.cs
- ItemsPresenter.cs
- Component.cs
- TextTreePropertyUndoUnit.cs
- StylusPointPropertyId.cs
- glyphs.cs
- PageCopyCount.cs
- SafeJobHandle.cs
- TemplatePagerField.cs
- DataService.cs
- TranslateTransform.cs
- DesignerTransaction.cs
- FileLevelControlBuilderAttribute.cs
- EdmSchemaError.cs
- CacheAxisQuery.cs
- UsernameTokenFactoryCredential.cs
- SchemaDeclBase.cs
- Viewport3DVisual.cs
- Ppl.cs
- CompareInfo.cs
- ToolBar.cs
- EventWaitHandleSecurity.cs
- HandlerBase.cs
- TaiwanCalendar.cs
- BooleanAnimationBase.cs
- PersistenceTask.cs
- EncryptedKeyIdentifierClause.cs
- PlainXmlSerializer.cs
- SqlDataSourceView.cs
- TdsParserSafeHandles.cs
- sqlinternaltransaction.cs
- AspCompat.cs
- GrammarBuilderBase.cs
- ScalarOps.cs
- CommandPlan.cs
- IpcClientChannel.cs
- CalendarKeyboardHelper.cs
- FastPropertyAccessor.cs
- RepeaterItemEventArgs.cs
- SpanIndex.cs
- StackBuilderSink.cs
- DeferredElementTreeState.cs
- StringToken.cs
- SingleTagSectionHandler.cs