Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / 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 } }
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- WindowsFormsDesignerOptionService.cs
- FieldMetadata.cs
- DataRelation.cs
- HMACSHA256.cs
- XsltOutput.cs
- ConstrainedDataObject.cs
- Socket.cs
- HttpVersion.cs
- ToolStripItemRenderEventArgs.cs
- TextDecorationUnitValidation.cs
- HierarchicalDataBoundControlAdapter.cs
- ArrangedElementCollection.cs
- GACMembershipCondition.cs
- NamedElement.cs
- HighContrastHelper.cs
- WasEndpointConfigContainer.cs
- PersistChildrenAttribute.cs
- TextServicesManager.cs
- SplineQuaternionKeyFrame.cs
- DeferredBinaryDeserializerExtension.cs
- SafeProcessHandle.cs
- DefaultMemberAttribute.cs
- XmlMemberMapping.cs
- CatalogPart.cs
- RSAPKCS1SignatureDeformatter.cs
- TextServicesPropertyRanges.cs
- OpacityConverter.cs
- DataFormats.cs
- WindowsGraphics.cs
- RijndaelCryptoServiceProvider.cs
- HostedBindingBehavior.cs
- ConfigurationHelpers.cs
- CorrelationScope.cs
- FtpWebRequest.cs
- CssStyleCollection.cs
- XmlResolver.cs
- TemplateBuilder.cs
- SQLDecimal.cs
- ApplicationTrust.cs
- IEnumerable.cs
- DbProviderServices.cs
- SafeNativeMethods.cs
- DBConcurrencyException.cs
- ScaleTransform.cs
- QilParameter.cs
- OperandQuery.cs
- TimeManager.cs
- OrCondition.cs
- ImagingCache.cs
- ContractCodeDomInfo.cs
- PixelFormatConverter.cs
- SqlRewriteScalarSubqueries.cs
- PerformanceCountersBase.cs
- RegisteredArrayDeclaration.cs
- SqlDataRecord.cs
- ListenerSessionConnection.cs
- ListParagraph.cs
- ResourcePermissionBaseEntry.cs
- StateElement.cs
- LinkConverter.cs
- WizardSideBarListControlItemEventArgs.cs
- HttpVersion.cs
- SpeakCompletedEventArgs.cs
- LinkUtilities.cs
- DataGridLengthConverter.cs
- ListViewHitTestInfo.cs
- Identity.cs
- FamilyTypefaceCollection.cs
- GeneratedCodeAttribute.cs
- IsolatedStorageException.cs
- ContextCorrelationInitializer.cs
- SQLDateTime.cs
- CalendarDesigner.cs
- IntPtr.cs
- SerializationObjectManager.cs
- TableLayoutPanelCellPosition.cs
- StylusPointProperties.cs
- BufferedGraphicsContext.cs
- WriteLineDesigner.xaml.cs
- RIPEMD160Managed.cs
- UInt16Converter.cs
- WebPartMenu.cs
- BoundPropertyEntry.cs
- ConfigurationElementProperty.cs
- TransformDescriptor.cs
- Border.cs
- MenuEventArgs.cs
- SingleObjectCollection.cs
- UsernameTokenFactoryCredential.cs
- SqlReferenceCollection.cs
- TemplateNameScope.cs
- SqlBuilder.cs
- Rules.cs
- ReadOnlyCollectionBase.cs
- LabelTarget.cs
- CodeActivity.cs
- LayoutUtils.cs
- ArraySet.cs
- VisualCollection.cs
- HWStack.cs