Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / MS / Internal / Automation / ValueProviderWrapper.cs / 1 / ValueProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Value pattern provider wrapper for WCP // // History: // 07/21/2003 : BrendanM Ported to WCP // //--------------------------------------------------------------------------- using System; using System.Windows.Threading; using System.Windows.Media; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Peers; namespace MS.Internal.Automation { // Automation/WCP Wrapper class: Implements that UIAutomation I...Provider // interface, and calls through to a WCP AutomationPeer which implements the corresponding // I...Provider inteface. Marshalls the call from the RPC thread onto the // target AutomationPeer's context. // // Class has two major parts to it: // * Implementation of the I...Provider, which uses Dispatcher.Invoke // to call a private method (lives in second half of the class) via a delegate, // if necessary, packages any params into an object param. Return type of Invoke // must be cast from object to appropriate type. // * private methods - one for each interface entry point - which get called back // on the right context. These call through to the peer that's actually // implenting the I...Provider version of the interface. internal class ValueProviderWrapper: MarshalByRefObject, IValueProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private ValueProviderWrapper( AutomationPeer peer, IValueProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface IValueProvider // //----------------------------------------------------- #region Interface IValueProvider public void SetValue( string val ) { ElementUtil.Invoke( _peer, new DispatcherOperationCallback( SetValueInternal ), val ); } public string Value { get { return (string) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetValue ), null ); } } public bool IsReadOnly { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetIsReadOnly ), null ); } } #endregion Interface IValueProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new ValueProviderWrapper( peer, (IValueProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object SetValueInternal( object arg ) { _iface.SetValue( (string)arg ); return null; } private object GetValue( object unused ) { return _iface.Value; } private object GetIsReadOnly( object unused ) { return _iface.IsReadOnly; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private IValueProvider _iface; #endregion Private Fields } } // 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: Value pattern provider wrapper for WCP // // History: // 07/21/2003 : BrendanM Ported to WCP // //--------------------------------------------------------------------------- using System; using System.Windows.Threading; using System.Windows.Media; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Peers; namespace MS.Internal.Automation { // Automation/WCP Wrapper class: Implements that UIAutomation I...Provider // interface, and calls through to a WCP AutomationPeer which implements the corresponding // I...Provider inteface. Marshalls the call from the RPC thread onto the // target AutomationPeer's context. // // Class has two major parts to it: // * Implementation of the I...Provider, which uses Dispatcher.Invoke // to call a private method (lives in second half of the class) via a delegate, // if necessary, packages any params into an object param. Return type of Invoke // must be cast from object to appropriate type. // * private methods - one for each interface entry point - which get called back // on the right context. These call through to the peer that's actually // implenting the I...Provider version of the interface. internal class ValueProviderWrapper: MarshalByRefObject, IValueProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private ValueProviderWrapper( AutomationPeer peer, IValueProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface IValueProvider // //----------------------------------------------------- #region Interface IValueProvider public void SetValue( string val ) { ElementUtil.Invoke( _peer, new DispatcherOperationCallback( SetValueInternal ), val ); } public string Value { get { return (string) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetValue ), null ); } } public bool IsReadOnly { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetIsReadOnly ), null ); } } #endregion Interface IValueProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new ValueProviderWrapper( peer, (IValueProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object SetValueInternal( object arg ) { _iface.SetValue( (string)arg ); return null; } private object GetValue( object unused ) { return _iface.Value; } private object GetIsReadOnly( object unused ) { return _iface.IsReadOnly; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private IValueProvider _iface; #endregion Private Fields } } // 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
- Rect3DValueSerializer.cs
- ButtonColumn.cs
- MenuAdapter.cs
- ScriptControlDescriptor.cs
- UniformGrid.cs
- AdRotatorDesigner.cs
- X509ScopedServiceCertificateElementCollection.cs
- Math.cs
- HtmlString.cs
- SQLChars.cs
- HyperLinkField.cs
- TCPListener.cs
- SqlBulkCopyColumnMappingCollection.cs
- PersonalizationProviderCollection.cs
- MessageRpc.cs
- SmtpFailedRecipientsException.cs
- XmlElementCollection.cs
- StandardToolWindows.cs
- AutomationElementIdentifiers.cs
- FormDesigner.cs
- tooltip.cs
- Compress.cs
- FormViewPageEventArgs.cs
- _HTTPDateParse.cs
- ValueSerializerAttribute.cs
- Transform.cs
- TypeSystemHelpers.cs
- VarRefManager.cs
- TableLayoutSettings.cs
- AuthenticationSection.cs
- PerspectiveCamera.cs
- ZoneButton.cs
- RijndaelManagedTransform.cs
- TdsParserHelperClasses.cs
- ImageFormat.cs
- XmlConverter.cs
- WindowsListViewSubItem.cs
- CodeDomSerializer.cs
- AttributeCollection.cs
- BaseUriHelper.cs
- PersistenceTypeAttribute.cs
- RenamedEventArgs.cs
- XmlHierarchicalDataSourceView.cs
- SqlDataSourceView.cs
- WebColorConverter.cs
- AsymmetricSignatureDeformatter.cs
- DataGridCommandEventArgs.cs
- WindowAutomationPeer.cs
- Utilities.cs
- WmlValidationSummaryAdapter.cs
- HttpConfigurationContext.cs
- DescendantOverDescendantQuery.cs
- UriExt.cs
- DataTableNewRowEvent.cs
- FormsAuthenticationTicket.cs
- ScriptControlDescriptor.cs
- DependentTransaction.cs
- TimelineCollection.cs
- TraceSection.cs
- ValueSerializer.cs
- StaticTextPointer.cs
- LinqTreeNodeEvaluator.cs
- HttpServerVarsCollection.cs
- RsaKeyIdentifierClause.cs
- SR.cs
- RectangleHotSpot.cs
- TemplateXamlParser.cs
- HtmlForm.cs
- DeviceFilterDictionary.cs
- SoapReflectionImporter.cs
- RealProxy.cs
- Models.cs
- TabItem.cs
- UriTemplateClientFormatter.cs
- LinearQuaternionKeyFrame.cs
- arclist.cs
- EmptyReadOnlyDictionaryInternal.cs
- ValidationHelper.cs
- ValidationSummary.cs
- RemotingConfigParser.cs
- SqlClientFactory.cs
- MsdtcClusterUtils.cs
- TableProviderWrapper.cs
- XmlAtomicValue.cs
- MaterialGroup.cs
- ArgumentNullException.cs
- StringUtil.cs
- BrowserCapabilitiesFactoryBase.cs
- Events.cs
- ScrollChrome.cs
- TableRowGroup.cs
- SponsorHelper.cs
- FlowDocumentScrollViewerAutomationPeer.cs
- DispatchWrapper.cs
- WinEventQueueItem.cs
- RSAPKCS1KeyExchangeDeformatter.cs
- CompilerLocalReference.cs
- DataControlLinkButton.cs
- SQLGuidStorage.cs
- DbConnectionPool.cs