Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / 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 : 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
- ConvertersCollection.cs
- ToolStripContentPanelDesigner.cs
- TimeSpan.cs
- PrintDialog.cs
- OleDbParameter.cs
- DataColumnChangeEvent.cs
- CacheHelper.cs
- BulletedList.cs
- ChooseAction.cs
- WebPartEventArgs.cs
- EntityProviderFactory.cs
- input.cs
- FtpWebResponse.cs
- InternalSafeNativeMethods.cs
- ColumnWidthChangingEvent.cs
- LambdaValue.cs
- UrlMapping.cs
- TrackingMemoryStream.cs
- HtmlInputButton.cs
- ListViewEditEventArgs.cs
- ComponentManagerBroker.cs
- XmlIgnoreAttribute.cs
- IntSecurity.cs
- SelectionProcessor.cs
- SEHException.cs
- dsa.cs
- SerialStream.cs
- DataGridViewRowDividerDoubleClickEventArgs.cs
- PropertyTab.cs
- RawMouseInputReport.cs
- MimeBasePart.cs
- HttpInputStream.cs
- InstallerTypeAttribute.cs
- X509ChainPolicy.cs
- GroupDescription.cs
- ResourceDisplayNameAttribute.cs
- DataRowExtensions.cs
- MultipartContentParser.cs
- ApplicationActivator.cs
- DataControlReferenceCollection.cs
- PowerStatus.cs
- RuleSetDialog.cs
- CodeAccessPermission.cs
- InsufficientMemoryException.cs
- NativeMethods.cs
- OperatingSystem.cs
- InternalException.cs
- DummyDataSource.cs
- PrePrepareMethodAttribute.cs
- RelationshipConstraintValidator.cs
- WebPartUtil.cs
- CachedFontFamily.cs
- Tokenizer.cs
- ReadOnlyCollectionBase.cs
- Clause.cs
- QuaternionValueSerializer.cs
- SmtpNegotiateAuthenticationModule.cs
- PtsCache.cs
- BitmapFrameDecode.cs
- FontUnitConverter.cs
- CachedTypeface.cs
- Qualifier.cs
- PreloadedPackages.cs
- ExpressionServices.cs
- ChangeTracker.cs
- SqlNotificationRequest.cs
- XmlNamespaceDeclarationsAttribute.cs
- SiteMapNodeItemEventArgs.cs
- DataGridViewRowsRemovedEventArgs.cs
- ConstraintStruct.cs
- IRCollection.cs
- storepermission.cs
- UpdatePanelTriggerCollection.cs
- CounterSample.cs
- NoneExcludedImageIndexConverter.cs
- NativeMethods.cs
- SqlTransaction.cs
- LinqDataSource.cs
- HtmlAnchor.cs
- HuffmanTree.cs
- AutomationProperties.cs
- PartialList.cs
- HttpHandlerAction.cs
- FixedPage.cs
- DeferredSelectedIndexReference.cs
- DelegatingHeader.cs
- BinaryMessageEncoder.cs
- ServicePointManagerElement.cs
- DateTimeConverter2.cs
- ZoomPercentageConverter.cs
- SpecialFolderEnumConverter.cs
- DataGridCaption.cs
- IdentityHolder.cs
- BroadcastEventHelper.cs
- RelatedImageListAttribute.cs
- CanExecuteRoutedEventArgs.cs
- Config.cs
- ToolbarAUtomationPeer.cs
- InputLangChangeRequestEvent.cs
- TemplateColumn.cs