Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Collections / CollectionBase.cs / 1 / CollectionBase.cs
// ==++== // // Copyright (c) Microsoft Corporation. All rights reserved. // // ==--== //------------------------------------------------------------------------------ //----------------------------------------------------------------------------- namespace System.Collections { using System; // Useful base class for typed read/write collections where items derive from object [Serializable] [System.Runtime.InteropServices.ComVisible(true)] public abstract class CollectionBase : IList { ArrayList list; protected CollectionBase() { list = new ArrayList(); } protected CollectionBase(int capacity) { list = new ArrayList(capacity); } protected ArrayList InnerList { get { if (list == null) list = new ArrayList(); return list; } } protected IList List { get { return (IList)this; } } [System.Runtime.InteropServices.ComVisible(false)] public int Capacity { get { return InnerList.Capacity; } set { InnerList.Capacity = value; } } public int Count { get { return list == null ? 0 : list.Count; } } public void Clear() { OnClear(); InnerList.Clear(); OnClearComplete(); } public void RemoveAt(int index) { if (index < 0 || index >= InnerList.Count) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_Index")); Object temp = InnerList[index]; OnValidate(temp); OnRemove(index, temp); InnerList.RemoveAt(index); try { OnRemoveComplete(index, temp); } catch { InnerList.Insert(index, temp); throw; } } bool IList.IsReadOnly { get { return InnerList.IsReadOnly; } } bool IList.IsFixedSize { get { return InnerList.IsFixedSize; } } bool ICollection.IsSynchronized { get { return InnerList.IsSynchronized; } } Object ICollection.SyncRoot { get { return InnerList.SyncRoot; } } void ICollection.CopyTo(Array array, int index) { InnerList.CopyTo(array, index); } Object IList.this[int index] { get { if (index < 0 || index >= InnerList.Count) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_Index")); return InnerList[index]; } set { if (index < 0 || index >= InnerList.Count) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_Index")); OnValidate(value); Object temp = InnerList[index]; OnSet(index, temp, value); InnerList[index] = value; try { OnSetComplete(index, temp, value); } catch { InnerList[index] = temp; throw; } } } bool IList.Contains(Object value) { return InnerList.Contains(value); } int IList.Add(Object value) { OnValidate(value); OnInsert(InnerList.Count, value); int index = InnerList.Add(value); try { OnInsertComplete(index, value); } catch { InnerList.RemoveAt(index); throw; } return index; } void IList.Remove(Object value) { OnValidate(value); int index = InnerList.IndexOf(value); if (index < 0) throw new ArgumentException(Environment.GetResourceString("Arg_RemoveArgNotFound")); OnRemove(index, value); InnerList.RemoveAt(index); try{ OnRemoveComplete(index, value); } catch { InnerList.Insert(index, value); throw; } } int IList.IndexOf(Object value) { return InnerList.IndexOf(value); } void IList.Insert(int index, Object value) { if (index < 0 || index > InnerList.Count) throw new ArgumentOutOfRangeException("index", Environment.GetResourceString("ArgumentOutOfRange_Index")); OnValidate(value); OnInsert(index, value); InnerList.Insert(index, value); try { OnInsertComplete(index, value); } catch { InnerList.RemoveAt(index); throw; } } public IEnumerator GetEnumerator() { return InnerList.GetEnumerator(); } protected virtual void OnSet(int index, Object oldValue, Object newValue) { } protected virtual void OnInsert(int index, Object value) { } protected virtual void OnClear() { } protected virtual void OnRemove(int index, Object value) { } protected virtual void OnValidate(Object value) { if (value == null) throw new ArgumentNullException("value"); } protected virtual void OnSetComplete(int index, Object oldValue, Object newValue) { } protected virtual void OnInsertComplete(int index, Object value) { } protected virtual void OnClearComplete() { } protected virtual void OnRemoveComplete(int index, Object value) { } } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SqlRecordBuffer.cs
- TransactionsSectionGroup.cs
- MonikerProxyAttribute.cs
- ProjectionCamera.cs
- ToolStripItemCollection.cs
- PageThemeParser.cs
- IHttpResponseInternal.cs
- File.cs
- MarkupCompilePass2.cs
- XmlSchemaAttributeGroup.cs
- FixedNode.cs
- ToolConsole.cs
- BamlResourceContent.cs
- XmlWriter.cs
- DataGridLinkButton.cs
- RootBrowserWindowProxy.cs
- Token.cs
- ObservableCollection.cs
- UnionCodeGroup.cs
- PathFigure.cs
- RouteValueDictionary.cs
- SoapHttpTransportImporter.cs
- SizeValueSerializer.cs
- WebBrowserSiteBase.cs
- DockingAttribute.cs
- WindowsScrollBarBits.cs
- FolderBrowserDialogDesigner.cs
- SafeArrayTypeMismatchException.cs
- PageBuildProvider.cs
- HttpHandlersSection.cs
- SystemUnicastIPAddressInformation.cs
- LeaseManager.cs
- ExternalFile.cs
- Brush.cs
- Scripts.cs
- SafeHandles.cs
- EditorPartCollection.cs
- TypedDataSetSchemaImporterExtension.cs
- WebPartExportVerb.cs
- ObjectItemCollection.cs
- PostBackTrigger.cs
- WorkflowInspectionServices.cs
- Enum.cs
- SHA384Managed.cs
- DynamicResourceExtensionConverter.cs
- MessageDecoder.cs
- ApplicationSecurityInfo.cs
- DataStreams.cs
- ResourceCollectionInfo.cs
- ClusterSafeNativeMethods.cs
- WebSysDescriptionAttribute.cs
- CapabilitiesRule.cs
- CodeGroup.cs
- HttpApplication.cs
- DataServiceHost.cs
- ProvidersHelper.cs
- AssemblyCache.cs
- MgmtConfigurationRecord.cs
- MulticastIPAddressInformationCollection.cs
- TreeViewImageIndexConverter.cs
- OdbcException.cs
- Timer.cs
- ConfigXmlReader.cs
- XmlNavigatorStack.cs
- WindowsListBox.cs
- PackageProperties.cs
- MenuItemCollection.cs
- TraceHandlerErrorFormatter.cs
- DynamicPropertyHolder.cs
- ColorTranslator.cs
- WindowsListViewGroupSubsetLink.cs
- MenuItemCollection.cs
- PanelStyle.cs
- LinkArea.cs
- _CacheStreams.cs
- AsymmetricKeyExchangeDeformatter.cs
- MetadataException.cs
- ComNativeDescriptor.cs
- MappingException.cs
- WebDisplayNameAttribute.cs
- CDSsyncETWBCLProvider.cs
- SystemNetHelpers.cs
- StringToken.cs
- WebConfigurationFileMap.cs
- VisualStyleTypesAndProperties.cs
- SchemaDeclBase.cs
- SiteMapDataSourceDesigner.cs
- HttpCacheParams.cs
- DirtyTextRange.cs
- SettingsSection.cs
- QuaternionRotation3D.cs
- DetailsViewCommandEventArgs.cs
- HandleCollector.cs
- ControlAdapter.cs
- BamlBinaryWriter.cs
- MailMessage.cs
- XmlSchemaExporter.cs
- SeparatorAutomationPeer.cs
- CultureMapper.cs
- ObjectPersistData.cs