Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / Orcas / SP / wpf / src / Core / CSharp / MS / Internal / Automation / GridProviderWrapper.cs / 1 / GridProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Grid 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 GridProviderWrapper: MarshalByRefObject, IGridProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private GridProviderWrapper( AutomationPeer peer, IGridProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface IGridProvider // //----------------------------------------------------- #region Interface IGridProvider public IRawElementProviderSimple GetItem(int row, int column) { return (IRawElementProviderSimple) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetItem ), new int [ ] { row, column } ); } public int RowCount { get { return (int) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetRowCount ), null ); } } public int ColumnCount { get { return (int) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetColumnCount ), null ); } } #endregion Interface IGridProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new GridProviderWrapper( peer, (IGridProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object GetItem( object arg ) { int [ ] coords = (int [ ]) arg; return _iface.GetItem( coords[ 0 ], coords[ 1 ] ); } private object GetRowCount( object unused ) { return _iface.RowCount; } private object GetColumnCount( object unused ) { return _iface.ColumnCount; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private IGridProvider _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: Grid 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 GridProviderWrapper: MarshalByRefObject, IGridProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private GridProviderWrapper( AutomationPeer peer, IGridProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface IGridProvider // //----------------------------------------------------- #region Interface IGridProvider public IRawElementProviderSimple GetItem(int row, int column) { return (IRawElementProviderSimple) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetItem ), new int [ ] { row, column } ); } public int RowCount { get { return (int) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetRowCount ), null ); } } public int ColumnCount { get { return (int) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetColumnCount ), null ); } } #endregion Interface IGridProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new GridProviderWrapper( peer, (IGridProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object GetItem( object arg ) { int [ ] coords = (int [ ]) arg; return _iface.GetItem( coords[ 0 ], coords[ 1 ] ); } private object GetRowCount( object unused ) { return _iface.RowCount; } private object GetColumnCount( object unused ) { return _iface.ColumnCount; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private IGridProvider _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
- QuaternionRotation3D.cs
- OpenTypeLayout.cs
- ListViewDeleteEventArgs.cs
- DataControlCommands.cs
- PageAsyncTaskManager.cs
- ReplacementText.cs
- Avt.cs
- SerializationException.cs
- SmtpMail.cs
- Pair.cs
- DesignRelation.cs
- EventLogEntry.cs
- TypeBuilderInstantiation.cs
- FlowDocument.cs
- TextFormattingConverter.cs
- BasicExpandProvider.cs
- NumberFormatter.cs
- SettingsContext.cs
- SpellerStatusTable.cs
- Label.cs
- FrugalMap.cs
- SortedSetDebugView.cs
- Thumb.cs
- UnknownWrapper.cs
- PropertyGeneratedEventArgs.cs
- HttpClientCertificate.cs
- ServiceDescriptionData.cs
- ChameleonKey.cs
- ImageDrawing.cs
- HandoffBehavior.cs
- DocumentGridContextMenu.cs
- PlanCompiler.cs
- NetworkInformationPermission.cs
- BrowserTree.cs
- DependencyObject.cs
- StoreAnnotationsMap.cs
- FormatSettings.cs
- SQLBytes.cs
- NoneExcludedImageIndexConverter.cs
- WmiInstallComponent.cs
- DispatcherOperation.cs
- AmbientProperties.cs
- DebuggerService.cs
- SpnEndpointIdentity.cs
- StorageMappingFragment.cs
- DesignerActionUIStateChangeEventArgs.cs
- AutoGeneratedField.cs
- Collection.cs
- InternalEnumValidatorAttribute.cs
- GeneralTransform3DCollection.cs
- TextChangedEventArgs.cs
- ListSourceHelper.cs
- TreeSet.cs
- Rectangle.cs
- ISAPIRuntime.cs
- OleDbTransaction.cs
- _NTAuthentication.cs
- FormParameter.cs
- SqlNotificationEventArgs.cs
- NameValueConfigurationElement.cs
- MobilePage.cs
- HashFinalRequest.cs
- AttachedPropertyBrowsableForChildrenAttribute.cs
- AutoResizedEvent.cs
- RuleSetDialog.cs
- SoapSchemaExporter.cs
- TypeTypeConverter.cs
- ContentDisposition.cs
- MultiSelectRootGridEntry.cs
- XmlImplementation.cs
- BindingList.cs
- CodeGenerator.cs
- CodeSnippetCompileUnit.cs
- ScriptHandlerFactory.cs
- ProcessModuleCollection.cs
- SettingsSection.cs
- QuadTree.cs
- RestClientProxyHandler.cs
- MethodRental.cs
- ValidatedControlConverter.cs
- SmtpFailedRecipientsException.cs
- CachedFontFamily.cs
- CodeThrowExceptionStatement.cs
- Button.cs
- JsonCollectionDataContract.cs
- FlowPosition.cs
- Rect.cs
- SQLInt16.cs
- SwitchLevelAttribute.cs
- ManifestBasedResourceGroveler.cs
- CmsInterop.cs
- LongValidator.cs
- MenuItem.cs
- SecurityElement.cs
- GenericAuthenticationEventArgs.cs
- RestHandlerFactory.cs
- TemplatedAdorner.cs
- HMACMD5.cs
- ItemDragEvent.cs
- Hyperlink.cs