Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / MS / Internal / Automation / DockProviderWrapper.cs / 1 / DockProviderWrapper.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Dock 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 DockProviderWrapper: MarshalByRefObject, IDockProvider { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors private DockProviderWrapper( AutomationPeer peer, IDockProvider iface ) { _peer = peer; _iface = iface; } #endregion Constructors //------------------------------------------------------ // // Interface IDockProvider // //----------------------------------------------------- #region Interface IDockProvider public void SetDockPosition(DockPosition dockPosition) { ElementUtil.Invoke( _peer, new DispatcherOperationCallback( SetDockPosition ), dockPosition ); } public DockPosition DockPosition { get { return (DockPosition)ElementUtil.Invoke(_peer, new DispatcherOperationCallback( GetDockPosition ), null); } } #endregion Interface IDockProvider //------------------------------------------------------ // // Internal Methods // //------------------------------------------------------ #region Internal Methods internal static object Wrap( AutomationPeer peer, object iface ) { return new DockProviderWrapper( peer, (IDockProvider) iface ); } #endregion Internal Methods //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods private object SetDockPosition( object arg ) { _iface.SetDockPosition( (DockPosition) arg ); return null; } private object GetDockPosition( object unused ) { return _iface.DockPosition; } #endregion Private Methods //----------------------------------------------------- // // Private Fields // //----------------------------------------------------- #region Private Fields private AutomationPeer _peer; private IDockProvider _iface; #endregion Private Fields } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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