Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / Orcas / NetFXw7 / wpf / src / Framework / System / Windows / Data / DataChangedEventManager.cs / 1 / DataChangedEventManager.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Manager for the DataChanged event in the "weak event listener" // pattern. See WeakEventTable.cs for an overview. // //--------------------------------------------------------------------------- using System; using System.Windows; // WeakEventManager namespace System.Windows.Data { ////// Manager for the DataSourceProvider.DataChanged event. /// public class DataChangedEventManager : WeakEventManager { #region Constructors // // Constructors // private DataChangedEventManager() { } #endregion Constructors #region Public Methods // // Public Methods // ////// Add a listener to the given source's event. /// public static void AddListener(DataSourceProvider source, IWeakEventListener listener) { CurrentManager.ProtectedAddListener(source, listener); } ////// Remove a listener to the given source's event. /// public static void RemoveListener(DataSourceProvider source, IWeakEventListener listener) { CurrentManager.ProtectedRemoveListener(source, listener); } #endregion Public Methods #region Protected Methods // // Protected Methods // ////// Listen to the given source for the event. /// protected override void StartListening(object source) { DataSourceProvider typedSource = (DataSourceProvider)source; typedSource.DataChanged += new EventHandler(OnDataChanged); } ////// Stop listening to the given source for the event. /// protected override void StopListening(object source) { DataSourceProvider typedSource = (DataSourceProvider)source; typedSource.DataChanged -= new EventHandler(OnDataChanged); } #endregion Protected Methods #region Private Properties // // Private Properties // // get the event manager for the current thread private static DataChangedEventManager CurrentManager { get { Type managerType = typeof(DataChangedEventManager); DataChangedEventManager manager = (DataChangedEventManager)GetCurrentManager(managerType); // at first use, create and register a new manager if (manager == null) { manager = new DataChangedEventManager(); SetCurrentManager(managerType, manager); } return manager; } } #endregion Private Properties #region Private Methods // // Private Methods // // event handler for DataChanged event private void OnDataChanged(object sender, EventArgs args) { DeliverEvent(sender, args); } #endregion Private Methods } } // 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. // // // Description: Manager for the DataChanged event in the "weak event listener" // pattern. See WeakEventTable.cs for an overview. // //--------------------------------------------------------------------------- using System; using System.Windows; // WeakEventManager namespace System.Windows.Data { ////// Manager for the DataSourceProvider.DataChanged event. /// public class DataChangedEventManager : WeakEventManager { #region Constructors // // Constructors // private DataChangedEventManager() { } #endregion Constructors #region Public Methods // // Public Methods // ////// Add a listener to the given source's event. /// public static void AddListener(DataSourceProvider source, IWeakEventListener listener) { CurrentManager.ProtectedAddListener(source, listener); } ////// Remove a listener to the given source's event. /// public static void RemoveListener(DataSourceProvider source, IWeakEventListener listener) { CurrentManager.ProtectedRemoveListener(source, listener); } #endregion Public Methods #region Protected Methods // // Protected Methods // ////// Listen to the given source for the event. /// protected override void StartListening(object source) { DataSourceProvider typedSource = (DataSourceProvider)source; typedSource.DataChanged += new EventHandler(OnDataChanged); } ////// Stop listening to the given source for the event. /// protected override void StopListening(object source) { DataSourceProvider typedSource = (DataSourceProvider)source; typedSource.DataChanged -= new EventHandler(OnDataChanged); } #endregion Protected Methods #region Private Properties // // Private Properties // // get the event manager for the current thread private static DataChangedEventManager CurrentManager { get { Type managerType = typeof(DataChangedEventManager); DataChangedEventManager manager = (DataChangedEventManager)GetCurrentManager(managerType); // at first use, create and register a new manager if (manager == null) { manager = new DataChangedEventManager(); SetCurrentManager(managerType, manager); } return manager; } } #endregion Private Properties #region Private Methods // // Private Methods // // event handler for DataChanged event private void OnDataChanged(object sender, EventArgs args) { DeliverEvent(sender, args); } #endregion Private Methods } } // 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
- GridViewRow.cs
- _FixedSizeReader.cs
- HtmlInputCheckBox.cs
- PromptEventArgs.cs
- KeyboardNavigation.cs
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- RecordBuilder.cs
- _ContextAwareResult.cs
- ResolveRequestResponseAsyncResult.cs
- ISessionStateStore.cs
- MsdtcClusterUtils.cs
- DataTemplate.cs
- HttpWriter.cs
- TextEditorCopyPaste.cs
- RecordsAffectedEventArgs.cs
- TextCollapsingProperties.cs
- WebPartConnectionsEventArgs.cs
- ResourceKey.cs
- Membership.cs
- AssociationEndMember.cs
- wmiutil.cs
- WebConfigurationHostFileChange.cs
- WinEventQueueItem.cs
- StringSorter.cs
- ControlCollection.cs
- safelink.cs
- DataGridViewRowCancelEventArgs.cs
- FlowLayoutPanel.cs
- SharedStatics.cs
- RuntimeCompatibilityAttribute.cs
- Endpoint.cs
- ScrollEvent.cs
- EntityDataSourceReferenceGroup.cs
- IsolatedStorageFilePermission.cs
- ReferenceConverter.cs
- XmlChildEnumerator.cs
- InputManager.cs
- MouseEventArgs.cs
- Axis.cs
- WaitHandleCannotBeOpenedException.cs
- DocumentPageViewAutomationPeer.cs
- CodeTypeMemberCollection.cs
- ConfigurationManagerHelperFactory.cs
- LambdaValue.cs
- BufferedReceiveElement.cs
- PersonalizationProviderHelper.cs
- EmptyImpersonationContext.cs
- CookieParameter.cs
- NameValuePermission.cs
- SqlClientPermission.cs
- TextEffect.cs
- ServiceRoute.cs
- MarkupCompilePass2.cs
- XmlSchemaObjectTable.cs
- MultiPageTextView.cs
- OdbcErrorCollection.cs
- UrlPropertyAttribute.cs
- EFDataModelProvider.cs
- MaterialGroup.cs
- CachedPathData.cs
- BindingEditor.xaml.cs
- ListViewTableRow.cs
- ViewBox.cs
- UIElementParaClient.cs
- CharAnimationUsingKeyFrames.cs
- LabelAutomationPeer.cs
- FindSimilarActivitiesVerb.cs
- IWorkflowDebuggerService.cs
- EventProviderBase.cs
- ArithmeticLiteral.cs
- SelectionRangeConverter.cs
- WindowsSolidBrush.cs
- GeneralTransform2DTo3D.cs
- ItemsPresenter.cs
- WebConfigurationFileMap.cs
- CollectionViewGroupRoot.cs
- InitializingNewItemEventArgs.cs
- CodeArrayCreateExpression.cs
- SqlExpander.cs
- DataBoundControlAdapter.cs
- WeakReferenceList.cs
- DataGridViewImageColumn.cs
- SystemUdpStatistics.cs
- PathSegment.cs
- AssemblyAttributesGoHere.cs
- NumberSubstitution.cs
- AppSettingsExpressionEditor.cs
- ResourceDictionaryCollection.cs
- TransactedReceiveData.cs
- Canvas.cs
- Utils.cs
- ContractInferenceHelper.cs
- WindowsAuthenticationEventArgs.cs
- EdmProperty.cs
- QueryContinueDragEventArgs.cs
- PerformanceCounter.cs
- SystemPens.cs
- ExpressionParser.cs
- Run.cs
- MimeWriter.cs