Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / 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
- Simplifier.cs
- SystemIPv4InterfaceProperties.cs
- SupportsEventValidationAttribute.cs
- ObjectListComponentEditor.cs
- FontStretch.cs
- ExpressionLexer.cs
- DeferredTextReference.cs
- GridViewColumnHeaderAutomationPeer.cs
- DeploymentExceptionMapper.cs
- ItemCheckedEvent.cs
- Models.cs
- ToolStripActionList.cs
- FormsAuthentication.cs
- sqlinternaltransaction.cs
- StreamAsIStream.cs
- ItemsControl.cs
- Sequence.cs
- BordersPage.cs
- RolePrincipal.cs
- ProxyElement.cs
- CqlErrorHelper.cs
- TextTreeRootNode.cs
- RuntimeHandles.cs
- AnnotationMap.cs
- StringFunctions.cs
- xmlglyphRunInfo.cs
- GiveFeedbackEventArgs.cs
- DataSetUtil.cs
- Transform.cs
- AutomationAttributeInfo.cs
- InkCanvasInnerCanvas.cs
- RequestCacheValidator.cs
- DateRangeEvent.cs
- XmlMemberMapping.cs
- BaseProcessor.cs
- EnumerableCollectionView.cs
- SHA512.cs
- Request.cs
- XmlWriter.cs
- SelectedCellsCollection.cs
- WebPartDisplayModeCollection.cs
- MessageQueue.cs
- Peer.cs
- CustomAttributeFormatException.cs
- LayoutEditorPart.cs
- LinqDataSourceHelper.cs
- COAUTHINFO.cs
- DrawingAttributeSerializer.cs
- ServerValidateEventArgs.cs
- XmlCharCheckingReader.cs
- WebPartCatalogAddVerb.cs
- SelfSignedCertificate.cs
- Stopwatch.cs
- SafeNativeMethods.cs
- Form.cs
- HashJoinQueryOperatorEnumerator.cs
- Activity.cs
- HtmlElement.cs
- DataBoundControlHelper.cs
- OptimizedTemplateContent.cs
- Control.cs
- LineInfo.cs
- CngProvider.cs
- FrameworkReadOnlyPropertyMetadata.cs
- HostedElements.cs
- IgnoreFlushAndCloseStream.cs
- WaitForChangedResult.cs
- Util.cs
- XPathNodeIterator.cs
- CommonObjectSecurity.cs
- List.cs
- InfoCardRSAOAEPKeyExchangeDeformatter.cs
- XmlSchemaType.cs
- RoleService.cs
- CqlQuery.cs
- ImageListStreamer.cs
- DialogWindow.cs
- DelegatingTypeDescriptionProvider.cs
- FlowPosition.cs
- SourceFileBuildProvider.cs
- AsyncOperationManager.cs
- AuthorizationContext.cs
- SqlServer2KCompatibilityCheck.cs
- RoleGroupCollectionEditor.cs
- DbProviderManifest.cs
- UnsafeNativeMethodsPenimc.cs
- DataGridViewSelectedCellCollection.cs
- RewritingSimplifier.cs
- ExtensionDataObject.cs
- ValueProviderWrapper.cs
- Sql8ConformanceChecker.cs
- TrailingSpaceComparer.cs
- ThrowHelper.cs
- ping.cs
- wmiprovider.cs
- MessagePartDescriptionCollection.cs
- PaperSize.cs
- _HeaderInfo.cs
- RuleSettings.cs
- SoapTypeAttribute.cs