Code:
/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CompMod / System / ComponentModel / CustomTypeDescriptor.cs / 1 / CustomTypeDescriptor.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.ComponentModel { using System; using System.Security.Permissions; ////// [HostProtection(SharedState = true)] public abstract class CustomTypeDescriptor : ICustomTypeDescriptor { private ICustomTypeDescriptor _parent; ////// Creates a new CustomTypeDescriptor object. There are two versions /// of this constructor. The version that takes no parameters simply /// calls the version that takes a parent and passes null as the /// parent value. If the parent is null, CustomTypeDescriptor returns /// the defined default values for each method. If the parent is /// non-null, CustomTypeDescriptor calls the parent's version of /// the method. /// protected CustomTypeDescriptor() { } ////// Creates a new CustomTypeDescriptor object. There are two versions /// of this constructor. The version that takes no parameters simply /// calls the version that takes a parent and passes null as the /// parent value. If the parent is null, CustomTypeDescriptor returns /// the defined default values for each method. If the parent is /// non-null, CustomTypeDescriptor calls the parent's version of /// the method. /// protected CustomTypeDescriptor(ICustomTypeDescriptor parent) { _parent = parent; } ////// The GetAttributes method returns the type-level attributes for /// the type this custom type descriptor is providing information for. /// You must always return a valid collection from this method. /// public virtual AttributeCollection GetAttributes() { if (_parent != null) { return _parent.GetAttributes(); } return AttributeCollection.Empty; } ////// The GetClassName method returns the fully qualified name of the /// class this type descriptor is representing. Returning null from /// this method causes the TypeDescriptor object to return the /// default class name. /// public virtual string GetClassName() { if (_parent != null) { return _parent.GetClassName(); } return null; } ////// The GetComponentName method returns the name of the component instance /// this type descriptor is describing. /// public virtual string GetComponentName() { if (_parent != null) { return _parent.GetComponentName(); } return null; } ////// The GetConverter method returns a type converter for the type this type /// descriptor is representing. /// public virtual TypeConverter GetConverter() { if (_parent != null) { return _parent.GetConverter(); } return new TypeConverter(); } ////// The GetDefaultEvent method returns the event descriptor for the default /// event on the object this type descriptor is representing. /// public virtual EventDescriptor GetDefaultEvent() { if (_parent != null) { return _parent.GetDefaultEvent(); } return null; } ////// The GetDefaultProperty method returns the property descriptor for the /// default property on the object this type descriptor is representing. /// public virtual PropertyDescriptor GetDefaultProperty() { if (_parent != null) { return _parent.GetDefaultProperty(); } return null; } ////// The GetEditor method returns an editor of the given type that is /// to be associated with the class this type descriptor is representing. /// public virtual object GetEditor(Type editorBaseType) { if (_parent != null) { return _parent.GetEditor(editorBaseType); } return null; } ////// The GetEvents method returns a collection of event descriptors /// for the object this type descriptor is representing. An optional /// attribute array may be provided to filter the collection that is /// returned. If no parent is provided,this will return an empty /// event collection. /// public virtual EventDescriptorCollection GetEvents() { if (_parent != null) { return _parent.GetEvents(); } return EventDescriptorCollection.Empty; } ////// The GetEvents method returns a collection of event descriptors /// for the object this type descriptor is representing. An optional /// attribute array may be provided to filter the collection that is /// returned. If no parent is provided,this will return an empty /// event collection. /// public virtual EventDescriptorCollection GetEvents(Attribute[] attributes) { if (_parent != null) { return _parent.GetEvents(attributes); } return EventDescriptorCollection.Empty; } ////// The GetProperties method returns a collection of property descriptors /// for the object this type descriptor is representing. An optional /// attribute array may be provided to filter the collection that is returned. /// If no parent is provided,this will return an empty /// property collection. /// public virtual PropertyDescriptorCollection GetProperties() { if (_parent != null) { return _parent.GetProperties(); } return PropertyDescriptorCollection.Empty; } ////// The GetProperties method returns a collection of property descriptors /// for the object this type descriptor is representing. An optional /// attribute array may be provided to filter the collection that is returned. /// If no parent is provided,this will return an empty /// property collection. /// public virtual PropertyDescriptorCollection GetProperties(Attribute[] attributes) { if (_parent != null) { return _parent.GetProperties(attributes); } return PropertyDescriptorCollection.Empty; } ////// The GetPropertyOwner method returns an instance of an object that /// owns the given property for the object this type descriptor is representing. /// An optional attribute array may be provided to filter the collection that is /// returned. Returning null from this method causes the TypeDescriptor object /// to use its default type description services. /// public virtual object GetPropertyOwner(PropertyDescriptor pd) { if (_parent != null) { return _parent.GetPropertyOwner(pd); } return null; } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ObjectReferenceStack.cs
- SelectorItemAutomationPeer.cs
- HttpRequestCacheValidator.cs
- DBSqlParserColumnCollection.cs
- UnwrappedTypesXmlSerializerManager.cs
- CodeCompiler.cs
- SqlNotificationEventArgs.cs
- ApplicationBuildProvider.cs
- _PooledStream.cs
- SecurityUtils.cs
- CodePageEncoding.cs
- ThrowHelper.cs
- XPathSingletonIterator.cs
- HttpContextBase.cs
- SortedDictionary.cs
- FlowDocument.cs
- PenCursorManager.cs
- ConsumerConnectionPoint.cs
- ContentControl.cs
- SHA1CryptoServiceProvider.cs
- XmlSecureResolver.cs
- PrePrepareMethodAttribute.cs
- mediapermission.cs
- PixelShader.cs
- String.cs
- ObjectViewEntityCollectionData.cs
- WebBrowserPermission.cs
- Permission.cs
- InvariantComparer.cs
- PermissionToken.cs
- UnsafeNativeMethodsCLR.cs
- TlsSspiNegotiation.cs
- ToolStripHighContrastRenderer.cs
- InheritanceContextChangedEventManager.cs
- Point4DConverter.cs
- Type.cs
- TextEndOfSegment.cs
- Double.cs
- SafeEventHandle.cs
- OleDbConnectionPoolGroupProviderInfo.cs
- NativeMethods.cs
- HMACSHA512.cs
- DataGridViewComboBoxCell.cs
- SqlCacheDependency.cs
- SpellerStatusTable.cs
- WebPartConnectionCollection.cs
- AlphaSortedEnumConverter.cs
- NamedElement.cs
- SetState.cs
- TileBrush.cs
- CodeEventReferenceExpression.cs
- LogEntrySerializationException.cs
- SafeNativeMethodsCLR.cs
- ObjectListGeneralPage.cs
- FacetValueContainer.cs
- CustomWebEventKey.cs
- MSAAWinEventWrap.cs
- FragmentQueryProcessor.cs
- DocumentOrderQuery.cs
- Rotation3DAnimationUsingKeyFrames.cs
- XmlSchemaElement.cs
- SoapProtocolImporter.cs
- IisTraceWebEventProvider.cs
- SubtreeProcessor.cs
- SelectionList.cs
- ConsumerConnectionPointCollection.cs
- DbConnectionPoolOptions.cs
- IntSecurity.cs
- AssemblyCollection.cs
- SiteMapDataSourceView.cs
- XmlnsDefinitionAttribute.cs
- RuntimeConfig.cs
- DbConnectionInternal.cs
- IPAddress.cs
- UnsafeNativeMethods.cs
- EntryPointNotFoundException.cs
- DataGridView.cs
- BindingMAnagerBase.cs
- XPathCompileException.cs
- DispatcherOperation.cs
- RegexReplacement.cs
- SystemInformation.cs
- _BasicClient.cs
- Registry.cs
- Calendar.cs
- ValueProviderWrapper.cs
- NamespaceInfo.cs
- SingleResultAttribute.cs
- PackWebResponse.cs
- AvtEvent.cs
- Membership.cs
- TypeToken.cs
- HttpHandlerActionCollection.cs
- PtsCache.cs
- SoapElementAttribute.cs
- elementinformation.cs
- SqlCacheDependencyDatabaseCollection.cs
- TypeSchema.cs
- FilterableAttribute.cs
- ThreadStaticAttribute.cs