Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / MS / Internal / Automation / TableProviderWrapper.cs / 1 / TableProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Table pattern provider wrapper for WCP // // History: // 07/21/2003 : [....] 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 TableProviderWrapper: MarshalByRefObject, ITableProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private TableProviderWrapper( AutomationPeer peer, ITableProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface ITableProvider // //----------------------------------------------------- #region Interface ITableProvider 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 ); } } public IRawElementProviderSimple [] GetRowHeaders() { return (IRawElementProviderSimple []) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetRowHeaders ), null ); } public IRawElementProviderSimple [] GetColumnHeaders() { return (IRawElementProviderSimple []) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetColumnHeaders ), null ); } public RowOrColumnMajor RowOrColumnMajor { get { return (RowOrColumnMajor) ElementUtil.Invoke( _peer, new DispatcherOperationCallback( GetRowOrColumnMajor ), null ); } } #endregion Interface ITableProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new TableProviderWrapper( peer, (ITableProvider) 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; } private object GetRowHeaders( object unused ) { return _iface.GetRowHeaders(); } private object GetColumnHeaders( object unused ) { return _iface.GetColumnHeaders(); } private object GetRowOrColumnMajor( object unused ) { return _iface.RowOrColumnMajor; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private ITableProvider _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
- NotConverter.cs
- PerfCounterSection.cs
- IItemProperties.cs
- FlowDocumentFormatter.cs
- DataObjectMethodAttribute.cs
- TextBox.cs
- ResizeBehavior.cs
- UserControlBuildProvider.cs
- CallTemplateAction.cs
- ConfigurationManager.cs
- HitTestParameters.cs
- Win32PrintDialog.cs
- DataPager.cs
- SqlInternalConnectionTds.cs
- RuleSetDialog.Designer.cs
- DataGridViewLinkColumn.cs
- DrawingBrush.cs
- WebPartDeleteVerb.cs
- Transform.cs
- SiteMapNodeItemEventArgs.cs
- XsdBuildProvider.cs
- SafeRightsManagementEnvironmentHandle.cs
- EncryptedType.cs
- DeflateEmulationStream.cs
- Wizard.cs
- OracleConnection.cs
- UITypeEditor.cs
- WebBrowserNavigatingEventHandler.cs
- NumericPagerField.cs
- IPAddress.cs
- DetailsViewDeleteEventArgs.cs
- FrameworkTemplate.cs
- XmlNode.cs
- DivideByZeroException.cs
- SmtpNegotiateAuthenticationModule.cs
- HitTestWithPointDrawingContextWalker.cs
- sqlmetadatafactory.cs
- BooleanKeyFrameCollection.cs
- BindingNavigator.cs
- WebPartVerb.cs
- GroupAggregateExpr.cs
- StylusPoint.cs
- WindowsIdentity.cs
- wmiprovider.cs
- RemoteX509Token.cs
- InProcStateClientManager.cs
- UInt64Converter.cs
- LinqDataSourceDisposeEventArgs.cs
- FlowNode.cs
- CodeGroup.cs
- DbQueryCommandTree.cs
- BStrWrapper.cs
- LicenseContext.cs
- LocalizableResourceBuilder.cs
- AmbientLight.cs
- CodeArrayIndexerExpression.cs
- CreateUserWizardStep.cs
- CategoriesDocumentFormatter.cs
- XNodeValidator.cs
- TextFormatterContext.cs
- Selection.cs
- TrustLevelCollection.cs
- cookiecontainer.cs
- UIElement3D.cs
- DeclarativeCatalogPart.cs
- TypeSystem.cs
- TextHidden.cs
- SafeNativeMemoryHandle.cs
- EventlogProvider.cs
- TreeNodeCollection.cs
- ValueProviderWrapper.cs
- StatusBarItem.cs
- EventInfo.cs
- FontFaceLayoutInfo.cs
- IteratorFilter.cs
- PrimitiveType.cs
- HttpClientChannel.cs
- LockCookie.cs
- DataKeyCollection.cs
- Double.cs
- GroupQuery.cs
- CollectionType.cs
- DataGridViewRowHeightInfoPushedEventArgs.cs
- StorageComplexPropertyMapping.cs
- ControlsConfig.cs
- AlignmentYValidation.cs
- NativeObjectSecurity.cs
- SizeF.cs
- ListBox.cs
- Int16.cs
- DataGridViewBand.cs
- PrimaryKeyTypeConverter.cs
- SourceFileBuildProvider.cs
- Array.cs
- _UriTypeConverter.cs
- HitTestWithGeometryDrawingContextWalker.cs
- EventItfInfo.cs
- DataControlField.cs
- Identifier.cs
- GridToolTip.cs