Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / 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. // //----------------------------------------------------------------------------- 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.
Link Menu

This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- CleanUpVirtualizedItemEventArgs.cs
- LogLogRecord.cs
- EncryptedPackage.cs
- InputScopeNameConverter.cs
- InheritanceRules.cs
- DesignerOptionService.cs
- iisPickupDirectory.cs
- SortFieldComparer.cs
- TiffBitmapDecoder.cs
- X500Name.cs
- columnmapkeybuilder.cs
- ColorAnimationUsingKeyFrames.cs
- DataRecordInternal.cs
- RangeValueProviderWrapper.cs
- Int32CollectionValueSerializer.cs
- ObjectDataProvider.cs
- XmlLanguageConverter.cs
- PageSetupDialog.cs
- DbCommandTree.cs
- ProcessHostFactoryHelper.cs
- DataList.cs
- BinarySerializer.cs
- DesignObjectWrapper.cs
- IDispatchConstantAttribute.cs
- Matrix3DValueSerializer.cs
- ResourceDescriptionAttribute.cs
- MdImport.cs
- ResumeStoryboard.cs
- InlineObject.cs
- COMException.cs
- RegistryKey.cs
- ToolboxCategoryItems.cs
- ZipIOCentralDirectoryFileHeader.cs
- CacheDict.cs
- XsltLibrary.cs
- ProfileSettings.cs
- StrongTypingException.cs
- SortExpressionBuilder.cs
- XmlSchemaNotation.cs
- SqlServices.cs
- ProcessInputEventArgs.cs
- TemplateInstanceAttribute.cs
- ImageAutomationPeer.cs
- Brush.cs
- StrongTypingException.cs
- JsonByteArrayDataContract.cs
- SqlBooleanMismatchVisitor.cs
- WorkflowValidationFailedException.cs
- JoinElimination.cs
- ByteStreamGeometryContext.cs
- WebPartDisplayModeCancelEventArgs.cs
- FtpCachePolicyElement.cs
- precedingsibling.cs
- ExceptionHandlers.cs
- FormView.cs
- ConsumerConnectionPointCollection.cs
- MailBnfHelper.cs
- RoleExceptions.cs
- ISessionStateStore.cs
- CompositeControlDesigner.cs
- OleDbEnumerator.cs
- ChtmlTextWriter.cs
- GridViewColumnHeader.cs
- ToolZoneDesigner.cs
- RC2CryptoServiceProvider.cs
- Dictionary.cs
- IISMapPath.cs
- AuthorizationRuleCollection.cs
- EDesignUtil.cs
- ExeConfigurationFileMap.cs
- FigureParagraph.cs
- CodeDOMProvider.cs
- SystemColors.cs
- Stylus.cs
- FrameworkElementAutomationPeer.cs
- SqlBinder.cs
- HealthMonitoringSectionHelper.cs
- NativeMethods.cs
- ReversePositionQuery.cs
- AffineTransform3D.cs
- ConnectionManagementElement.cs
- PrintDialogException.cs
- HiddenFieldDesigner.cs
- CalendarItem.cs
- IndependentAnimationStorage.cs
- ReferenceSchema.cs
- BindingNavigator.cs
- _ConnectOverlappedAsyncResult.cs
- NativeMethods.cs
- XmlAnyAttributeAttribute.cs
- ErrorTolerantObjectWriter.cs
- GeneralTransformCollection.cs
- ObjectList.cs
- EmbeddedMailObjectsCollection.cs
- DashStyles.cs
- DesignerView.Commands.cs
- _AutoWebProxyScriptHelper.cs
- RowUpdatedEventArgs.cs
- HtmlHistory.cs
- Stylus.cs