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
- ThemeDirectoryCompiler.cs
- DataGridViewSortCompareEventArgs.cs
- PackageDigitalSignatureManager.cs
- UnmanagedMarshal.cs
- ManipulationBoundaryFeedbackEventArgs.cs
- Pointer.cs
- DefinitionUpdate.cs
- KeyedHashAlgorithm.cs
- CommonDialog.cs
- QueryOutputWriter.cs
- CreatingCookieEventArgs.cs
- StandardOleMarshalObject.cs
- WebHttpBindingCollectionElement.cs
- WpfPayload.cs
- DeviceFilterEditorDialog.cs
- WSUtilitySpecificationVersion.cs
- RequestTimeoutManager.cs
- DataGridViewCellLinkedList.cs
- ListBox.cs
- Constants.cs
- CounterSampleCalculator.cs
- SR.Designer.cs
- XmlBaseReader.cs
- OrderedDictionary.cs
- GroupBoxAutomationPeer.cs
- EventRouteFactory.cs
- AttachInfo.cs
- _NegoStream.cs
- WindowsScrollBar.cs
- PkcsUtils.cs
- HMACSHA384.cs
- RangeContentEnumerator.cs
- ToolboxComponentsCreatedEventArgs.cs
- Rect.cs
- SettingsPropertyNotFoundException.cs
- MediaElementAutomationPeer.cs
- TextEditorSelection.cs
- TextEditorCopyPaste.cs
- Annotation.cs
- ToolboxItemFilterAttribute.cs
- MatrixStack.cs
- KeyEventArgs.cs
- SerializationException.cs
- FixedSOMTextRun.cs
- EntitySqlQueryCacheEntry.cs
- MetadataUtil.cs
- RewritingPass.cs
- StateFinalizationDesigner.cs
- DocumentGridContextMenu.cs
- BitmapEffect.cs
- ILGenerator.cs
- NamespaceQuery.cs
- DbDataRecord.cs
- controlskin.cs
- _AutoWebProxyScriptHelper.cs
- LinqDataSourceStatusEventArgs.cs
- SourceLocationProvider.cs
- UriTemplateVariableQueryValue.cs
- SettingsSavedEventArgs.cs
- Triplet.cs
- MatrixCamera.cs
- PersonalizationStateQuery.cs
- TextControlDesigner.cs
- CannotUnloadAppDomainException.cs
- Renderer.cs
- CodeCommentStatementCollection.cs
- DiagnosticsConfiguration.cs
- FormViewUpdateEventArgs.cs
- XpsFont.cs
- HtmlInputButton.cs
- CharAnimationBase.cs
- DataTransferEventArgs.cs
- SqlUtils.cs
- DbDataSourceEnumerator.cs
- ObjectToken.cs
- Lasso.cs
- ModifierKeysValueSerializer.cs
- XmlCollation.cs
- FlowNode.cs
- DataBoundControlAdapter.cs
- WebSysDescriptionAttribute.cs
- ColorContextHelper.cs
- WindowCollection.cs
- GlobalizationSection.cs
- CompositeCollection.cs
- MeasureItemEvent.cs
- XmlDataFileEditor.cs
- ListMarkerLine.cs
- DataGridColumnHeader.cs
- UserControlFileEditor.cs
- NonParentingControl.cs
- XmlDataProvider.cs
- StylusPointProperties.cs
- PseudoWebRequest.cs
- HtmlAnchor.cs
- TypeLoadException.cs
- Content.cs
- ClrPerspective.cs
- XmlComment.cs
- Tuple.cs