Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Base / System / ComponentModel / CurrentChangedEventManager.cs / 1305600 / CurrentChangedEventManager.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // Description: Manager for the CurrentChanged event in the "weak event listener" // pattern. See WeakEventTable.cs for an overview. // //--------------------------------------------------------------------------- using System; using System.Windows; // WeakEventManager namespace System.ComponentModel { ////// Manager for the ICollectionView.CurrentChanged event. /// public class CurrentChangedEventManager : WeakEventManager { #region Constructors // // Constructors // private CurrentChangedEventManager() { } #endregion Constructors #region Public Methods // // Public Methods // ////// Add a listener to the given source's event. /// public static void AddListener(ICollectionView source, IWeakEventListener listener) { if (source == null) throw new ArgumentNullException("source"); if (listener == null) throw new ArgumentNullException("listener"); CurrentManager.ProtectedAddListener(source, listener); } ////// Remove a listener to the given source's event. /// public static void RemoveListener(ICollectionView source, IWeakEventListener listener) { /* for app-compat, allow RemoveListener(null, x) - it's a no-op (see Dev10 796788) if (source == null) throw new ArgumentNullException("source"); */ if (listener == null) throw new ArgumentNullException("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) { ICollectionView typedSource = (ICollectionView)source; typedSource.CurrentChanged += new EventHandler(OnCurrentChanged); } ////// Stop listening to the given source for the event. /// protected override void StopListening(object source) { ICollectionView typedSource = (ICollectionView)source; typedSource.CurrentChanged -= new EventHandler(OnCurrentChanged); } #endregion Protected Methods #region Private Properties // // Private Properties // // get the event manager for the current thread private static CurrentChangedEventManager CurrentManager { get { Type managerType = typeof(CurrentChangedEventManager); CurrentChangedEventManager manager = (CurrentChangedEventManager)GetCurrentManager(managerType); // at first use, create and register a new manager if (manager == null) { manager = new CurrentChangedEventManager(); SetCurrentManager(managerType, manager); } return manager; } } #endregion Private Properties #region Private Methods // // Private Methods // // event handler for CurrentChanged event private void OnCurrentChanged(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
- String.cs
- Win32KeyboardDevice.cs
- XmlExpressionDumper.cs
- PathStreamGeometryContext.cs
- ListViewItem.cs
- EntityParameter.cs
- DrawingBrush.cs
- InvokeProviderWrapper.cs
- SqlNotificationEventArgs.cs
- CheckBoxList.cs
- JapaneseCalendar.cs
- PagerSettings.cs
- VirtualizedItemPattern.cs
- DesignTimeVisibleAttribute.cs
- X509Utils.cs
- GridViewRow.cs
- DependencyObjectPropertyDescriptor.cs
- HitTestParameters.cs
- WebServicesInteroperability.cs
- VBCodeProvider.cs
- MessageEnumerator.cs
- RowUpdatingEventArgs.cs
- HtmlInputImage.cs
- securestring.cs
- Durable.cs
- OleDbReferenceCollection.cs
- PropertyGroupDescription.cs
- RegistryKey.cs
- ContractInferenceHelper.cs
- XmlDataSourceNodeDescriptor.cs
- IFlowDocumentViewer.cs
- ArcSegment.cs
- Pen.cs
- SQLBinary.cs
- VirtualizingStackPanel.cs
- SafeEventHandle.cs
- ApplicationServiceHelper.cs
- UriTemplateEquivalenceComparer.cs
- XmlDeclaration.cs
- PointF.cs
- DbConnectionStringBuilder.cs
- ListView.cs
- Double.cs
- ContentElementAutomationPeer.cs
- RelatedCurrencyManager.cs
- PagePropertiesChangingEventArgs.cs
- HttpResponseInternalWrapper.cs
- DataGridViewCellParsingEventArgs.cs
- SerializationStore.cs
- CompensatableTransactionScopeActivityDesigner.cs
- RuntimeConfigLKG.cs
- MsmqIntegrationAppDomainProtocolHandler.cs
- InternalDispatchObject.cs
- Selection.cs
- X509Chain.cs
- AppDomain.cs
- BufferedGraphicsManager.cs
- DivideByZeroException.cs
- HttpFileCollectionWrapper.cs
- PhysicalFontFamily.cs
- compensatingcollection.cs
- AttributeCollection.cs
- SmiXetterAccessMap.cs
- CodeParameterDeclarationExpression.cs
- TextWriter.cs
- Point.cs
- RuntimeCompatibilityAttribute.cs
- ListItemConverter.cs
- ParameterBuilder.cs
- DataView.cs
- SchemaCollectionPreprocessor.cs
- ScriptServiceAttribute.cs
- Image.cs
- AutoGeneratedField.cs
- ExpressionReplacer.cs
- SqlBulkCopy.cs
- DataTableMapping.cs
- GiveFeedbackEvent.cs
- OrderToken.cs
- ColumnBinding.cs
- WebPartConnectionsConfigureVerb.cs
- ListContractAdapter.cs
- ClientUtils.cs
- WeakReadOnlyCollection.cs
- WebPartZoneDesigner.cs
- HttpRuntime.cs
- wmiprovider.cs
- CacheMemory.cs
- InputScope.cs
- NameNode.cs
- EntityContainer.cs
- ConfigurationFileMap.cs
- TextStore.cs
- UIHelper.cs
- DataControlButton.cs
- ArgumentNullException.cs
- NameSpaceExtractor.cs
- WeakReferenceEnumerator.cs
- _ListenerResponseStream.cs
- InternalEnumValidator.cs