Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / MS / Internal / Automation / SelectionProviderWrapper.cs / 1 / SelectionProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Selection 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.Collections; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Peers; using System.ComponentModel; 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 SelectionProviderWrapper: MarshalByRefObject, ISelectionProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private SelectionProviderWrapper( AutomationPeer peer, ISelectionProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface ISelectionProvider // //----------------------------------------------------- #region Interface ISelectionProvider public IRawElementProviderSimple [] GetSelection() { return (IRawElementProviderSimple []) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetSelection ), null ); } public bool CanSelectMultiple { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetCanSelectMultiple ), null ); } } public bool IsSelectionRequired { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetIsSelectionRequired ), null ); } } #endregion Interface ISelectionProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new SelectionProviderWrapper( peer, (ISelectionProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object GetSelection( object unused ) { return _iface.GetSelection(); } private object GetCanSelectMultiple( object unused ) { return _iface.CanSelectMultiple; } private object GetIsSelectionRequired( object unused ) { return _iface.IsSelectionRequired; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private ISelectionProvider _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: Selection 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.Collections; using System.Windows.Automation; using System.Windows.Automation.Provider; using System.Windows.Automation.Peers; using System.ComponentModel; 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 SelectionProviderWrapper: MarshalByRefObject, ISelectionProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private SelectionProviderWrapper( AutomationPeer peer, ISelectionProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface ISelectionProvider // //----------------------------------------------------- #region Interface ISelectionProvider public IRawElementProviderSimple [] GetSelection() { return (IRawElementProviderSimple []) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetSelection ), null ); } public bool CanSelectMultiple { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetCanSelectMultiple ), null ); } } public bool IsSelectionRequired { get { return (bool) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetIsSelectionRequired ), null ); } } #endregion Interface ISelectionProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new SelectionProviderWrapper( peer, (ISelectionProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object GetSelection( object unused ) { return _iface.GetSelection(); } private object GetCanSelectMultiple( object unused ) { return _iface.CanSelectMultiple; } private object GetIsSelectionRequired( object unused ) { return _iface.IsSelectionRequired; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private ISelectionProvider _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
- MessageLogger.cs
- FileInfo.cs
- BigInt.cs
- EdmItemCollection.cs
- AdvancedBindingEditor.cs
- FixUpCollection.cs
- ScrollViewerAutomationPeer.cs
- CheckPair.cs
- RichTextBoxConstants.cs
- SafeNativeMethods.cs
- ListSourceHelper.cs
- SafeViewOfFileHandle.cs
- Event.cs
- FileDataSourceCache.cs
- DesignerOptions.cs
- FixUp.cs
- OperatingSystem.cs
- App.cs
- hwndwrapper.cs
- IFormattable.cs
- MULTI_QI.cs
- TypeUnloadedException.cs
- MetadataArtifactLoaderResource.cs
- CreateUserErrorEventArgs.cs
- IsolatedStorageFileStream.cs
- ColumnHeader.cs
- DataGridViewRowConverter.cs
- OdbcRowUpdatingEvent.cs
- DiscoveryDocumentSerializer.cs
- HtmlInputSubmit.cs
- Math.cs
- HtmlForm.cs
- ReachFixedPageSerializerAsync.cs
- IsolatedStorageFilePermission.cs
- PrintDialog.cs
- ApplicationProxyInternal.cs
- ViewStateChangedEventArgs.cs
- VariableQuery.cs
- SchemaMerger.cs
- DataGridViewRow.cs
- Visitors.cs
- WebBrowser.cs
- XmlArrayItemAttribute.cs
- PlatformNotSupportedException.cs
- ToolConsole.cs
- BitVector32.cs
- TypeInitializationException.cs
- TextBlock.cs
- CallbackValidator.cs
- SingleTagSectionHandler.cs
- IDQuery.cs
- TraceListeners.cs
- OpacityConverter.cs
- HttpRequestCacheValidator.cs
- Interlocked.cs
- OdbcConnectionOpen.cs
- InvariantComparer.cs
- X509CertificateCollection.cs
- PersistenceMetadataNamespace.cs
- HttpHeaderCollection.cs
- IndexedEnumerable.cs
- SqlErrorCollection.cs
- SecurityTokenAttachmentMode.cs
- CreatingCookieEventArgs.cs
- Font.cs
- ServiceObjectContainer.cs
- RIPEMD160Managed.cs
- CornerRadius.cs
- QilXmlReader.cs
- Path.cs
- TranslateTransform3D.cs
- ConfigurationLocationCollection.cs
- Merger.cs
- Region.cs
- SeparatorAutomationPeer.cs
- XmlAttributeOverrides.cs
- WindowsRichEdit.cs
- LoginView.cs
- HttpRequestCacheValidator.cs
- TableLayoutStyleCollection.cs
- ConsoleEntryPoint.cs
- DesignerHelpers.cs
- EntityViewGenerationAttribute.cs
- DefaultSection.cs
- Focus.cs
- CacheMemory.cs
- PropertyNames.cs
- MinMaxParagraphWidth.cs
- PersonalizationProviderCollection.cs
- _AutoWebProxyScriptEngine.cs
- AuthorizationContext.cs
- RecognizerStateChangedEventArgs.cs
- DataServiceRequestOfT.cs
- HtmlInputCheckBox.cs
- CodeGroup.cs
- lengthconverter.cs
- EpmHelper.cs
- RowToParametersTransformer.cs
- DirectionalLight.cs
- ZipFileInfo.cs