Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Shared / MS / Internal / PartialList.cs / 1 / PartialList.cs
//---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: PartialList is used when the developer needs to pass an IList range to // a function that takes generic IList interface. // // // History: // 06/25/2004 : mleonov - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; namespace MS.Internal { ////// PartialList is used when someone needs to pass an IList range to /// a function that takes generic IList interface. It implemented a read-only subset of IList. /// internal class PartialList: IList { private IList _list; private int _initialIndex; private int _count; /// /// Convenience constructor for taking in an entire list. Useful for creating a read-only /// version of the list. /// public PartialList(IListlist) { _list = list; _initialIndex = 0; _count = list.Count; } public PartialList(IList list, int initialIndex, int count) { // make sure early that the caller didn't miscalculate index and count Debug.Assert(initialIndex >= 0 && initialIndex + count <= list.Count); _list = list; _initialIndex = initialIndex; _count = count; } #if !PRESENTATION_CORE /// /// Creates new PartialList object only for true partial ranges. /// Otherwise, returns the original list. /// public static IListCreate(IList list, int initialIndex, int count) { if (list == null) return null; if (initialIndex == 0 && count == list.Count) return list; return new PartialList (list, initialIndex, count); } #endif #region IList Members public void RemoveAt(int index) { // PartialList is read only. throw new NotSupportedException(); } public void Insert(int index, T item) { // PartialList is read only. throw new NotSupportedException(); } public T this[int index] { get { return _list[index + _initialIndex]; } set { // PartialList is read only. throw new NotSupportedException(); } } public int IndexOf(T item) { int index = _list.IndexOf(item); if (index == -1 || index < _initialIndex || index - _initialIndex >= _count) return -1; return index - _initialIndex; } #endregion #region ICollection Members public bool IsReadOnly { get { return true; } } public void Clear() { // PartialList is read only. throw new NotSupportedException(); } public void Add(T item) { // PartialList is read only. throw new NotSupportedException(); } public bool Contains(T item) { return IndexOf(item) != -1; } public bool Remove(T item) { // PartialList is read only. throw new NotSupportedException(); } public int Count { get { return _count; } } public void CopyTo(T[] array, int arrayIndex) { if (arrayIndex < 0) throw new ArgumentOutOfRangeException("arrayIndex"); for (int i = 0; i < _count; ++i) array[arrayIndex + i] = this[i]; } #endregion #region IEnumerable Members IEnumerator IEnumerable .GetEnumerator() { for (int i = _initialIndex; i < _initialIndex + _count; ++i) yield return _list[i]; } #endregion #region IEnumerable Members IEnumerator IEnumerable.GetEnumerator() { return ((IEnumerable )this).GetEnumerator(); } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: PartialList is used when the developer needs to pass an IList range to // a function that takes generic IList interface. // // // History: // 06/25/2004 : mleonov - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; namespace MS.Internal { /// /// PartialList is used when someone needs to pass an IList range to /// a function that takes generic IList interface. It implemented a read-only subset of IList. /// internal class PartialList: IList { private IList _list; private int _initialIndex; private int _count; /// /// Convenience constructor for taking in an entire list. Useful for creating a read-only /// version of the list. /// public PartialList(IListlist) { _list = list; _initialIndex = 0; _count = list.Count; } public PartialList(IList list, int initialIndex, int count) { // make sure early that the caller didn't miscalculate index and count Debug.Assert(initialIndex >= 0 && initialIndex + count <= list.Count); _list = list; _initialIndex = initialIndex; _count = count; } #if !PRESENTATION_CORE /// /// Creates new PartialList object only for true partial ranges. /// Otherwise, returns the original list. /// public static IListCreate(IList list, int initialIndex, int count) { if (list == null) return null; if (initialIndex == 0 && count == list.Count) return list; return new PartialList (list, initialIndex, count); } #endif #region IList Members public void RemoveAt(int index) { // PartialList is read only. throw new NotSupportedException(); } public void Insert(int index, T item) { // PartialList is read only. throw new NotSupportedException(); } public T this[int index] { get { return _list[index + _initialIndex]; } set { // PartialList is read only. throw new NotSupportedException(); } } public int IndexOf(T item) { int index = _list.IndexOf(item); if (index == -1 || index < _initialIndex || index - _initialIndex >= _count) return -1; return index - _initialIndex; } #endregion #region ICollection Members public bool IsReadOnly { get { return true; } } public void Clear() { // PartialList is read only. throw new NotSupportedException(); } public void Add(T item) { // PartialList is read only. throw new NotSupportedException(); } public bool Contains(T item) { return IndexOf(item) != -1; } public bool Remove(T item) { // PartialList is read only. throw new NotSupportedException(); } public int Count { get { return _count; } } public void CopyTo(T[] array, int arrayIndex) { if (arrayIndex < 0) throw new ArgumentOutOfRangeException("arrayIndex"); for (int i = 0; i < _count; ++i) array[arrayIndex + i] = this[i]; } #endregion #region IEnumerable Members IEnumerator IEnumerable .GetEnumerator() { for (int i = _initialIndex; i < _initialIndex + _count; ++i) yield return _list[i]; } #endregion #region IEnumerable Members IEnumerator IEnumerable.GetEnumerator() { return ((IEnumerable )this).GetEnumerator(); } #endregion } } // 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
- MsmqIntegrationSecurity.cs
- ProcessingInstructionAction.cs
- WindowsRichEdit.cs
- UIElementParagraph.cs
- GeneralTransformGroup.cs
- PenLineCapValidation.cs
- UserCancellationException.cs
- DataSourceControl.cs
- objectquery_tresulttype.cs
- SqlNodeAnnotation.cs
- HttpEncoder.cs
- ListBase.cs
- TreeNodeBindingCollection.cs
- XmlBinaryReader.cs
- BaseDataBoundControl.cs
- WebAdminConfigurationHelper.cs
- Point3DConverter.cs
- EventWaitHandle.cs
- KeyboardEventArgs.cs
- TiffBitmapEncoder.cs
- ScriptReference.cs
- ResourceCategoryAttribute.cs
- SpoolingTaskBase.cs
- CompilerErrorCollection.cs
- SmiEventSink_DeferedProcessing.cs
- FileUtil.cs
- SubtreeProcessor.cs
- UnionQueryOperator.cs
- jithelpers.cs
- MatrixUtil.cs
- ArrayMergeHelper.cs
- StateDesigner.Helpers.cs
- PassportAuthentication.cs
- BindingSource.cs
- ToolboxService.cs
- DataRecordInternal.cs
- ItemCheckEvent.cs
- ApplicationTrust.cs
- ToolStripDropDownClosingEventArgs.cs
- HasCopySemanticsAttribute.cs
- EventLogPermissionEntryCollection.cs
- _NegotiateClient.cs
- MulticastDelegate.cs
- Menu.cs
- QilCloneVisitor.cs
- DirectionalLight.cs
- FacetDescription.cs
- DesignerTextWriter.cs
- TagElement.cs
- DataGridViewButtonCell.cs
- ProviderException.cs
- WebPartZoneDesigner.cs
- TextBox.cs
- SR.cs
- CodeDirectoryCompiler.cs
- DocumentCollection.cs
- PinnedBufferMemoryStream.cs
- IndentedWriter.cs
- DynamicHyperLink.cs
- GuidTagList.cs
- StreamSecurityUpgradeInitiator.cs
- TextServicesHost.cs
- ApplicationInterop.cs
- DbDataAdapter.cs
- TableLayoutSettingsTypeConverter.cs
- _AutoWebProxyScriptEngine.cs
- __Error.cs
- FileIOPermission.cs
- RoleManagerSection.cs
- HyperLinkDataBindingHandler.cs
- AnnouncementService.cs
- RemoteWebConfigurationHostStream.cs
- CodeConstructor.cs
- FunctionGenerator.cs
- ResourceAttributes.cs
- ResourceReferenceExpression.cs
- Helper.cs
- OleDbPropertySetGuid.cs
- DictionarySectionHandler.cs
- HostedHttpContext.cs
- DoubleLinkList.cs
- WebPartConnectionsCancelVerb.cs
- StyleCollection.cs
- AstNode.cs
- TreeNode.cs
- MulticastOption.cs
- TypeBrowserDialog.cs
- ReliabilityContractAttribute.cs
- ExpressionBuilder.cs
- OdbcStatementHandle.cs
- OverflowException.cs
- DeviceContext.cs
- TdsEnums.cs
- ToolboxItemAttribute.cs
- FixedNode.cs
- FixedPage.cs
- WasHttpHandlersInstallComponent.cs
- DesignerTextViewAdapter.cs
- ReadOnlyCollectionBase.cs
- DllNotFoundException.cs