Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / DataKeyArray.cs / 1 / DataKeyArray.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class DataKeyArray : ICollection, IStateManager { private ArrayList _keys; private bool _isTracking; ////// public DataKeyArray(ArrayList keys) { this._keys = keys; } ///Initializes a new instance of the ///class. /// public int Count { get { return _keys.Count; } } ///Gets the number of objects in the collection. This property is read-only. ////// public bool IsReadOnly { get { return false; } } ///Gets the value that specifies whether items in the ///can be /// modified. This property is read-only. /// public bool IsSynchronized { get { return false; } } ///Gets a value that indicates whether the ///is /// thread-safe. This property is read-only. /// public object SyncRoot { get { return this; } } ///Gets the object used to synchronize access to the collection. This property is read-only. ////// public DataKey this[int index] { get { return _keys[index] as DataKey; } } ///Gets a ///at the specified index in the collection. This property is read-only. /// public void CopyTo(DataKey[] array, int index) { ((ICollection)this).CopyTo(array, index); } ///Copies the contents of the entire collection into an ///appending at /// the specified index of the . void ICollection.CopyTo(Array array, int index) { for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } /// /// public IEnumerator GetEnumerator() { return _keys.GetEnumerator(); } #region IStateManager implementation ///Creates an enumerator for the ///used to iterate /// through the collection. bool IStateManager.IsTrackingViewState { get { return _isTracking; } } /// void IStateManager.LoadViewState(object state) { if (state != null) { object[] keysState = (object[])state; for (int i = 0; i < keysState.Length; i++) { if (keysState[i] != null) { ((IStateManager)_keys[i]).LoadViewState(keysState[i]); } } } } /// object IStateManager.SaveViewState() { int keyCount = _keys.Count; object[] keysState = new object[keyCount]; bool savedState = false; for (int i = 0; i < keyCount; i++) { keysState[i] = ((IStateManager)_keys[i]).SaveViewState(); if (keysState[i] != null) savedState = true; } return savedState ? keysState : null; } /// void IStateManager.TrackViewState() { _isTracking = true; int keyCount = _keys.Count; for (int i = 0; i < keyCount; i++) { ((IStateManager)_keys[i]).TrackViewState(); } } #endregion } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ // // Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] public sealed class DataKeyArray : ICollection, IStateManager { private ArrayList _keys; private bool _isTracking; ////// public DataKeyArray(ArrayList keys) { this._keys = keys; } ///Initializes a new instance of the ///class. /// public int Count { get { return _keys.Count; } } ///Gets the number of objects in the collection. This property is read-only. ////// public bool IsReadOnly { get { return false; } } ///Gets the value that specifies whether items in the ///can be /// modified. This property is read-only. /// public bool IsSynchronized { get { return false; } } ///Gets a value that indicates whether the ///is /// thread-safe. This property is read-only. /// public object SyncRoot { get { return this; } } ///Gets the object used to synchronize access to the collection. This property is read-only. ////// public DataKey this[int index] { get { return _keys[index] as DataKey; } } ///Gets a ///at the specified index in the collection. This property is read-only. /// public void CopyTo(DataKey[] array, int index) { ((ICollection)this).CopyTo(array, index); } ///Copies the contents of the entire collection into an ///appending at /// the specified index of the . void ICollection.CopyTo(Array array, int index) { for (IEnumerator e = this.GetEnumerator(); e.MoveNext();) array.SetValue(e.Current, index++); } /// /// public IEnumerator GetEnumerator() { return _keys.GetEnumerator(); } #region IStateManager implementation ///Creates an enumerator for the ///used to iterate /// through the collection. bool IStateManager.IsTrackingViewState { get { return _isTracking; } } /// void IStateManager.LoadViewState(object state) { if (state != null) { object[] keysState = (object[])state; for (int i = 0; i < keysState.Length; i++) { if (keysState[i] != null) { ((IStateManager)_keys[i]).LoadViewState(keysState[i]); } } } } /// object IStateManager.SaveViewState() { int keyCount = _keys.Count; object[] keysState = new object[keyCount]; bool savedState = false; for (int i = 0; i < keyCount; i++) { keysState[i] = ((IStateManager)_keys[i]).SaveViewState(); if (keysState[i] != null) savedState = true; } return savedState ? keysState : null; } /// void IStateManager.TrackViewState() { _isTracking = true; int keyCount = _keys.Count; for (int i = 0; i < keyCount; i++) { ((IStateManager)_keys[i]).TrackViewState(); } } #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
- JulianCalendar.cs
- SequentialUshortCollection.cs
- RecordBuilder.cs
- HostedTransportConfigurationBase.cs
- DataServiceContext.cs
- ZipFileInfoCollection.cs
- UrlParameterWriter.cs
- ResourceDefaultValueAttribute.cs
- CompilerScopeManager.cs
- CompilerState.cs
- XmlCountingReader.cs
- WpfPayload.cs
- InvalidWMPVersionException.cs
- RegexParser.cs
- HandlerFactoryCache.cs
- StringHelper.cs
- OleDbFactory.cs
- Image.cs
- SqlConnectionStringBuilder.cs
- State.cs
- StateMachineAction.cs
- ToolBarButtonClickEvent.cs
- XmlSignatureManifest.cs
- SqlComparer.cs
- ObjectQueryProvider.cs
- AddInContractAttribute.cs
- GetIsBrowserClientRequest.cs
- FileDialog.cs
- OdbcParameterCollection.cs
- ListViewTableCell.cs
- Selection.cs
- DataGridItemCollection.cs
- Margins.cs
- ReliableOutputConnection.cs
- WebPartManagerInternals.cs
- ServiceOperationInfoTypeConverter.cs
- SurrogateChar.cs
- HierarchicalDataSourceControl.cs
- ActionItem.cs
- AggregatePushdown.cs
- SynchronizationScope.cs
- Int32.cs
- MimeWriter.cs
- TypeNameConverter.cs
- ToolStripDropDownClosingEventArgs.cs
- CursorConverter.cs
- PageCodeDomTreeGenerator.cs
- DiscreteKeyFrames.cs
- EdgeModeValidation.cs
- XPathArrayIterator.cs
- DataGridViewAdvancedBorderStyle.cs
- AttributeCollection.cs
- DataGridViewTextBoxColumn.cs
- NonParentingControl.cs
- LassoHelper.cs
- SafePipeHandle.cs
- ErrorReporting.cs
- RelationshipEndMember.cs
- TreeNode.cs
- SessionStateModule.cs
- MenuRendererStandards.cs
- WebControlsSection.cs
- InsufficientMemoryException.cs
- DataStreamFromComStream.cs
- GreaterThanOrEqual.cs
- RevocationPoint.cs
- ObjectStateEntryBaseUpdatableDataRecord.cs
- StorageInfo.cs
- FileReader.cs
- BlobPersonalizationState.cs
- File.cs
- GregorianCalendar.cs
- ProtectedConfigurationProviderCollection.cs
- TrustLevel.cs
- Visual3DCollection.cs
- ItemAutomationPeer.cs
- ContourSegment.cs
- HMACRIPEMD160.cs
- ObjectDataSourceEventArgs.cs
- EasingKeyFrames.cs
- WebEventCodes.cs
- SimpleHandlerBuildProvider.cs
- HeaderPanel.cs
- ListChangedEventArgs.cs
- CancellableEnumerable.cs
- SemaphoreFullException.cs
- HttpCookiesSection.cs
- UnhandledExceptionEventArgs.cs
- DataTableExtensions.cs
- AssemblyAttributesGoHere.cs
- DynamicRenderer.cs
- IFlowDocumentViewer.cs
- ServiceDescriptionContext.cs
- ResizeGrip.cs
- EventItfInfo.cs
- DictionarySectionHandler.cs
- HttpCachePolicyBase.cs
- FigureParagraph.cs
- FrameworkTextComposition.cs
- EntityTypeEmitter.cs