Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / MS / Internal / PartialArray.cs / 1 / PartialArray.cs
//---------------------------------------------------------------------------- // // Copyright (c) Microsoft Corporation. All rights reserved. // // // Description: The PartialArray struct is used when the developer needs to pass a CLR array range to // a function that takes generic IList interface. For cases when the whole array needs to be passed, // CLR array already implements IList. // // // History: // 06/25/2004 : [....] - Created // //--------------------------------------------------------------------------- using System; using System.Collections; using System.Collections.Generic; using System.Diagnostics; using SR = MS.Internal.PresentationCore.SR; using SRID = MS.Internal.PresentationCore.SRID; namespace MS.Internal { ////// The PartialArray struct is used when someone needs to pass a CLR array range to /// a function that takes generic IList interface. For cases when the whole array needs to be passed, /// CLR array already implements IList. /// internal struct PartialArray: IList { private T[] _array; private int _initialIndex; private int _count; public PartialArray(T[] array, int initialIndex, int count) { // make sure early that the caller didn't miscalculate index and count Debug.Assert(initialIndex >= 0 && initialIndex + count <= array.Length); _array = array; _initialIndex = initialIndex; _count = count; } /// /// Convenience helper for passing the whole array. /// /// public PartialArray(T[] array) : this(array, 0, array.Length) {} #region IListMembers public bool IsReadOnly { get { return false; } } public bool Contains(T item) { return IndexOf(item) >= 0; } public bool IsFixedSize { get { return true; } } public bool Remove(T item) { throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void RemoveAt(int index) { throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void Clear() { throw new NotSupportedException(); } public void Add(T item) { throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public void Insert(int index, T item) { throw new NotSupportedException(SR.Get(SRID.CollectionIsFixedSize)); } public T this[int index] { get { return _array[index + _initialIndex]; } set { _array[index + _initialIndex] = value; } } public int IndexOf(T item) { int index = Array.IndexOf (_array, item, _initialIndex, _count); if (index >= 0) { return index - _initialIndex; } else { return -1; } } #endregion #region ICollection Members public int Count { get { return _count; } } public void CopyTo(T[] array, int arrayIndex) { // parameter validations if (array == null) { throw new ArgumentNullException("array"); } if (array.Rank != 1) { throw new ArgumentException( SR.Get(SRID.Collection_CopyTo_ArrayCannotBeMultidimensional), "array"); } if (arrayIndex < 0) { throw new ArgumentOutOfRangeException("arrayIndex"); } if (arrayIndex >= array.Length) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_IndexGreaterThanOrEqualToArrayLength, "arrayIndex", "array"), "arrayIndex"); } if ((array.Length - Count - arrayIndex) < 0) { throw new ArgumentException( SR.Get( SRID.Collection_CopyTo_NumberOfElementsExceedsArrayLength, "arrayIndex", "array")); } // do the copying here for (int i = 0; i < Count; i++) { array[arrayIndex + i] = this[i]; } } #endregion #region IEnumerable Members IEnumerator IEnumerable .GetEnumerator() { for (int i = 0; i < Count; i++) { yield return this[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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TypeConverterValueSerializer.cs
- WorkflowMarkupSerializer.cs
- ObjectDataSourceMethodEventArgs.cs
- ASCIIEncoding.cs
- FixedSOMLineRanges.cs
- Vertex.cs
- Journaling.cs
- PropertyGeneratedEventArgs.cs
- DeviceFilterEditorDialog.cs
- MetadataArtifactLoaderXmlReaderWrapper.cs
- X509AsymmetricSecurityKey.cs
- MimeParameter.cs
- DataBinder.cs
- AudioSignalProblemOccurredEventArgs.cs
- RectValueSerializer.cs
- PageContentCollection.cs
- Emitter.cs
- Matrix3DConverter.cs
- HtmlInputControl.cs
- CompModSwitches.cs
- ModuleConfigurationInfo.cs
- mediaclock.cs
- RawStylusActions.cs
- IChannel.cs
- TypeElementCollection.cs
- MonikerBuilder.cs
- EntityConnectionStringBuilderItem.cs
- RowUpdatingEventArgs.cs
- OdbcReferenceCollection.cs
- NullExtension.cs
- Rect.cs
- XmlBinaryReader.cs
- ValueOfAction.cs
- RandomNumberGenerator.cs
- RecognizedWordUnit.cs
- DBConcurrencyException.cs
- DataBindingHandlerAttribute.cs
- ObjectReaderCompiler.cs
- DataGridViewButtonColumn.cs
- UIPropertyMetadata.cs
- WindowPattern.cs
- ResourceDictionaryCollection.cs
- AccessDataSource.cs
- LocalFileSettingsProvider.cs
- ToolStripMenuItem.cs
- CustomErrorsSection.cs
- NeutralResourcesLanguageAttribute.cs
- WindowsAuthenticationEventArgs.cs
- input.cs
- ZoneMembershipCondition.cs
- MailHeaderInfo.cs
- EncoderFallback.cs
- IncrementalReadDecoders.cs
- CLRBindingWorker.cs
- EdmRelationshipRoleAttribute.cs
- StaticExtensionConverter.cs
- NullableConverter.cs
- SynchronizedRandom.cs
- Int16Animation.cs
- DrawingImage.cs
- RemoteWebConfigurationHost.cs
- Odbc32.cs
- DropShadowEffect.cs
- StickyNoteHelper.cs
- Size.cs
- RelationshipEnd.cs
- XmlSchemaImport.cs
- ToolboxItemCollection.cs
- WebPartDescription.cs
- ConfigurationManagerHelper.cs
- Literal.cs
- UnsafeNativeMethods.cs
- EncoderBestFitFallback.cs
- HttpServerUtilityWrapper.cs
- templategroup.cs
- ConfigurationValues.cs
- OdbcCommand.cs
- StreamWriter.cs
- UnicastIPAddressInformationCollection.cs
- MemoryStream.cs
- FormParameter.cs
- FormViewUpdateEventArgs.cs
- ToolboxItemLoader.cs
- AnimatedTypeHelpers.cs
- NamespaceTable.cs
- FastEncoder.cs
- FileResponseElement.cs
- NonBatchDirectoryCompiler.cs
- WebPartTransformerCollection.cs
- NullRuntimeConfig.cs
- AsyncOperationManager.cs
- Int64AnimationUsingKeyFrames.cs
- documentation.cs
- ComboBoxRenderer.cs
- ParserHooks.cs
- InternalTypeHelper.cs
- FlowThrottle.cs
- SqlBulkCopyColumnMappingCollection.cs
- MailDefinition.cs
- ViewStateAttachedPropertyFeature.cs