Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / MS / Internal / PartialArray.cs / 1305600 / 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 : mleonov - 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. // // // 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 : mleonov - 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.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TypefaceCollection.cs
- StaticTextPointer.cs
- Script.cs
- QilUnary.cs
- SafeMILHandle.cs
- assemblycache.cs
- QueryPageSettingsEventArgs.cs
- UndoEngine.cs
- HttpHandlerAction.cs
- WSDualHttpBinding.cs
- TextMarkerSource.cs
- Visual3DCollection.cs
- AttributeCollection.cs
- EditorZone.cs
- CompositeDataBoundControl.cs
- iisPickupDirectory.cs
- GeneralTransform3D.cs
- ResourcesBuildProvider.cs
- DynamicILGenerator.cs
- URIFormatException.cs
- CodeIndexerExpression.cs
- TrackingMemoryStreamFactory.cs
- WindowsSecurityToken.cs
- QuaternionAnimation.cs
- ListView.cs
- SqlCommandBuilder.cs
- WindowsProgressbar.cs
- FixedFindEngine.cs
- AutomationPeer.cs
- ConversionContext.cs
- COAUTHIDENTITY.cs
- EncodingDataItem.cs
- EndpointDispatcher.cs
- UserValidatedEventArgs.cs
- RecognizedPhrase.cs
- SQLInt64.cs
- SmiRecordBuffer.cs
- BehaviorEditorPart.cs
- URLAttribute.cs
- NullableLongAverageAggregationOperator.cs
- Separator.cs
- ClientScriptManager.cs
- ThreadExceptionDialog.cs
- HMACSHA384.cs
- TreeIterators.cs
- ViewBox.cs
- Page.cs
- WSTransactionSection.cs
- OutputCacheSettingsSection.cs
- DbQueryCommandTree.cs
- PropertyCollection.cs
- Compiler.cs
- ModelPropertyCollectionImpl.cs
- UIElementParaClient.cs
- ZipIOExtraFieldZip64Element.cs
- PathTooLongException.cs
- CalendarButton.cs
- HotSpot.cs
- AsymmetricKeyExchangeDeformatter.cs
- CodeDirectionExpression.cs
- ReliableMessagingVersion.cs
- SrgsGrammar.cs
- EmptyStringExpandableObjectConverter.cs
- DocumentGridContextMenu.cs
- WebHttpEndpointElement.cs
- HybridDictionary.cs
- ClientData.cs
- WindowsTab.cs
- SmiRecordBuffer.cs
- CodeDomSerializerException.cs
- LogStore.cs
- PerfService.cs
- DataGridViewMethods.cs
- FastEncoder.cs
- TreeViewBindingsEditor.cs
- CommonProperties.cs
- StringComparer.cs
- WinCategoryAttribute.cs
- Certificate.cs
- QueryGeneratorBase.cs
- StateChangeEvent.cs
- CompositeTypefaceMetrics.cs
- GridViewDeletedEventArgs.cs
- QuaternionConverter.cs
- GridView.cs
- TypeRefElement.cs
- Command.cs
- HtmlListAdapter.cs
- HtmlElementErrorEventArgs.cs
- HtmlControlPersistable.cs
- _SSPIWrapper.cs
- SqlUtil.cs
- HttpHandlerAction.cs
- EmissiveMaterial.cs
- FrameworkEventSource.cs
- _HTTPDateParse.cs
- FileVersion.cs
- RegionData.cs
- TextParagraphView.cs
- MonitorWrapper.cs