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
![Network programming in C#, Network Programming in VB.NET, Network Programming in .NET](/images/book.jpg)
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- SizeKeyFrameCollection.cs
- GridViewEditEventArgs.cs
- Reference.cs
- DataGridViewSelectedCellsAccessibleObject.cs
- CodeEventReferenceExpression.cs
- GrammarBuilderRuleRef.cs
- XmlSchemaType.cs
- ContextMenu.cs
- CompositeFontFamily.cs
- LogEntrySerializer.cs
- WebProxyScriptElement.cs
- FormViewDeleteEventArgs.cs
- SqlTriggerContext.cs
- ReadOnlyNameValueCollection.cs
- TCEAdapterGenerator.cs
- EntityDataSourceReferenceGroup.cs
- OwnerDrawPropertyBag.cs
- InputLanguageSource.cs
- DataBoundControlAdapter.cs
- ServiceOperationInvoker.cs
- PenLineCapValidation.cs
- HandleRef.cs
- VirtualDirectoryMapping.cs
- OrderByQueryOptionExpression.cs
- XmlDataContract.cs
- ReplyChannel.cs
- CustomAttributeBuilder.cs
- StringAttributeCollection.cs
- DbExpressionVisitor_TResultType.cs
- ContentElement.cs
- DesignerDataParameter.cs
- ExceptionUtility.cs
- Variant.cs
- _DisconnectOverlappedAsyncResult.cs
- TableRowCollection.cs
- CookielessHelper.cs
- xmlformatgeneratorstatics.cs
- ParentQuery.cs
- HttpRuntime.cs
- SelectionBorderGlyph.cs
- WorkflowRuntimeElement.cs
- PopupEventArgs.cs
- GenericTypeParameterBuilder.cs
- Utilities.cs
- HttpHandlerAction.cs
- ScopedKnownTypes.cs
- XmlDataSource.cs
- Throw.cs
- ControlAdapter.cs
- TableCell.cs
- KeyboardNavigation.cs
- XpsSerializationManager.cs
- XmlExpressionDumper.cs
- KeySplineConverter.cs
- _ConnectionGroup.cs
- WebRequest.cs
- WorkflowInstanceProxy.cs
- BuildManager.cs
- ContextStaticAttribute.cs
- RecognizerInfo.cs
- AssemblyAttributes.cs
- RegionIterator.cs
- MiniMapControl.xaml.cs
- DecoderFallback.cs
- XmlHierarchicalEnumerable.cs
- SocketStream.cs
- HostVisual.cs
- ToolTipService.cs
- SqlDataRecord.cs
- XPathAncestorQuery.cs
- ViewGenerator.cs
- Page.cs
- SqlRetyper.cs
- COAUTHINFO.cs
- JsonWriterDelegator.cs
- KeyboardDevice.cs
- NameValueFileSectionHandler.cs
- CompositeControl.cs
- ToolStripSettings.cs
- StateMachine.cs
- NaturalLanguageHyphenator.cs
- ToolStripPanelRow.cs
- OleDbTransaction.cs
- ProfileEventArgs.cs
- ToolStripManager.cs
- TextViewSelectionProcessor.cs
- QilTargetType.cs
- DefaultTypeArgumentAttribute.cs
- MILUtilities.cs
- EmptyEnumerable.cs
- DataGridViewRowCollection.cs
- IconConverter.cs
- BypassElement.cs
- HttpCapabilitiesSectionHandler.cs
- XmlSchemaAnnotation.cs
- UDPClient.cs
- ReferentialConstraint.cs
- EntityClassGenerator.cs
- PerspectiveCamera.cs
- RepeatEnumerable.cs