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
- TableRowCollection.cs
- DirectoryRedirect.cs
- RuleSettingsCollection.cs
- SQLMembershipProvider.cs
- ListControlDataBindingHandler.cs
- HttpApplicationFactory.cs
- RemotingException.cs
- ExpressionVisitorHelpers.cs
- ParenExpr.cs
- ContextToken.cs
- MessageSmuggler.cs
- TabletDevice.cs
- TreeNodeBindingCollection.cs
- HashMembershipCondition.cs
- ServicePointManagerElement.cs
- FamilyMap.cs
- securitymgrsite.cs
- EncoderParameter.cs
- CRYPTPROTECT_PROMPTSTRUCT.cs
- PenLineJoinValidation.cs
- SafeNativeMethods.cs
- TransformCollection.cs
- RSAPKCS1SignatureFormatter.cs
- FileChangesMonitor.cs
- SplitterPanel.cs
- RsaSecurityKey.cs
- CodeGotoStatement.cs
- WeakReference.cs
- AppDomainGrammarProxy.cs
- TextRangeEdit.cs
- WebPartUserCapability.cs
- BindingMAnagerBase.cs
- HttpApplication.cs
- SchemaCollectionCompiler.cs
- Listbox.cs
- QilGeneratorEnv.cs
- SqlUtil.cs
- MenuItem.cs
- ActivityInterfaces.cs
- controlskin.cs
- DispatcherFrame.cs
- SmtpAuthenticationManager.cs
- Encoder.cs
- SmtpNtlmAuthenticationModule.cs
- XmlSiteMapProvider.cs
- EnvironmentPermission.cs
- TypeUtils.cs
- MediaContext.cs
- SubMenuStyle.cs
- TagMapInfo.cs
- TextTreeDeleteContentUndoUnit.cs
- Binding.cs
- EmptyImpersonationContext.cs
- CodeObject.cs
- TableCellCollection.cs
- SkewTransform.cs
- SpecularMaterial.cs
- FlowchartSizeFeature.cs
- ScrollBar.cs
- figurelength.cs
- LogSwitch.cs
- TemplatedWizardStep.cs
- StrokeDescriptor.cs
- DrawingAttributeSerializer.cs
- MultipartContentParser.cs
- HttpCapabilitiesBase.cs
- COM2ExtendedUITypeEditor.cs
- JournalEntryStack.cs
- TreeIterators.cs
- Point3DKeyFrameCollection.cs
- EntityTemplateFactory.cs
- Int16.cs
- UriScheme.cs
- SqlRewriteScalarSubqueries.cs
- EntityCommandExecutionException.cs
- ProtocolException.cs
- DbExpressionVisitor.cs
- PropertyGridEditorPart.cs
- SingleConverter.cs
- ProgressBar.cs
- PasswordPropertyTextAttribute.cs
- TdsValueSetter.cs
- ReliableReplySessionChannel.cs
- Stopwatch.cs
- BaseProcessor.cs
- DesignerExtenders.cs
- ByteKeyFrameCollection.cs
- SamlSubjectStatement.cs
- RootAction.cs
- DatatypeImplementation.cs
- CatalogZoneBase.cs
- panel.cs
- DateBoldEvent.cs
- ItemsPresenter.cs
- FilterElement.cs
- Wildcard.cs
- CallContext.cs
- JsonUriDataContract.cs
- SignedPkcs7.cs
- WSSecurityJan2004.cs