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Viewing changes to src/addins/WindowsPlatform/WindowsAPICodePack/Shell/ExplorerBrowser/ExplorerBrowserViewEvents.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2014-10-09 14:09:23 UTC
  • mfrom: (10.3.5)
  • Revision ID: package-import@ubuntu.com-20141009140923-s0d22u5f9kg8jvds
Tags: 5.5.0.227-1
http://bugs.debian.org/754316
* [b2c8331] Imported Upstream version 5.5.0.227 (Closes: #754316)
* [d210995] Delete obsolete patches
* [1b59ae1] Clear patch fizz, via quilt refresh
* [3dd147d] Fix error in configure.in which applies for tarball builds but 
  not git builds when running autoreconf
* [21c2a57] Remove Metacity references for good
* [3331661] Ensure NUnit 2.6.3 is installed
* [fd85c88] Build-depend on NuGet
* [a1ae116] Add WebKit to build dependencies, for Xwt moduleref resolution
* [9b4cf12] Since the GDB addin is integrated now, declare it in 
  debian/control
* [6231562] Correct NUnit links
* [3d2b693] Fix NuGet addin, by copying libs locally
* [74bf9a8] Don't symlink unused Mocks NUnit assembly
* [ade52b2] Ensure IKVM.Reflection is built with default (4.5) profile

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src/addins/WindowsPlatform/WindowsAPICodePack/Shell/ExplorerBrowser/ExplorerBrowserViewEvents.cs
 
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//Copyright (c) Microsoft Corporation.  All rights reserved.
 
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using System;
 
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using System.Runtime.InteropServices;
 
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using Microsoft.WindowsAPICodePack.Controls;
 
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using Microsoft.WindowsAPICodePack.Controls.WindowsForms;
 
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namespace MS.WindowsAPICodePack.Internal
 
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{
 
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    /// <summary>
 
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    /// This provides a connection point container compatible dispatch interface for
 
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    /// hooking into the ExplorerBrowser view.
 
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    /// </summary>    
 
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    [ComVisible(true)]
 
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    [ClassInterface(ClassInterfaceType.AutoDual)]
 
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    public class ExplorerBrowserViewEvents : IDisposable
 
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    {
 
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        #region implementation
 
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        private uint viewConnectionPointCookie;
 
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        private object viewDispatch;
 
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        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources")]
 
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        private IntPtr nullPtr = IntPtr.Zero;
 
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        private Guid IID_DShellFolderViewEvents = new Guid(ExplorerBrowserIIDGuid.DShellFolderViewEvents);
 
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        private Guid IID_IDispatch = new Guid(ExplorerBrowserIIDGuid.IDispatch);
 
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        private ExplorerBrowser parent;
 
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        #endregion
 
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        #region contstruction
 
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        /// <summary>
 
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        /// Default constructor for ExplorerBrowserViewEvents
 
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        /// </summary>
 
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        public ExplorerBrowserViewEvents() : this(null) { }
 
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        internal ExplorerBrowserViewEvents(ExplorerBrowser parent)
 
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        {
 
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            this.parent = parent;
 
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        }
 
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        #endregion
 
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        #region operations
 
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        internal void ConnectToView(IShellView psv)
 
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        {
 
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            DisconnectFromView();
 
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            HResult hr = psv.GetItemObject(
 
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                ShellViewGetItemObject.Background,
 
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                ref IID_IDispatch,
 
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                out viewDispatch);
 
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            if (hr == HResult.Ok)
 
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            {
 
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                hr = ExplorerBrowserNativeMethods.ConnectToConnectionPoint(
 
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                    this,
 
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                    ref IID_DShellFolderViewEvents,
 
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                    true,
 
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                    viewDispatch,
 
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                    ref viewConnectionPointCookie,
 
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                    ref nullPtr);
 
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                if (hr != HResult.Ok)
 
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                {
 
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                    Marshal.ReleaseComObject(viewDispatch);
 
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                }
 
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            }
 
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        }
 
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        internal void DisconnectFromView()
 
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        {
 
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            if (viewDispatch != null)
 
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            {
 
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                ExplorerBrowserNativeMethods.ConnectToConnectionPoint(
 
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                    IntPtr.Zero,
 
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                    ref IID_DShellFolderViewEvents,
 
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                    false,
 
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                    viewDispatch,
 
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                    ref viewConnectionPointCookie,
 
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                    ref nullPtr);
 
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                Marshal.ReleaseComObject(viewDispatch);
 
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                viewDispatch = null;
 
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                viewConnectionPointCookie = 0;
 
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            }
 
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        }
 
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        #endregion
 
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        #region IDispatch events
 
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        // These need to be public to be accessible via AutoDual reflection
 
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        /// <summary>
 
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        /// The view selection has changed
 
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        /// </summary>
 
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        [DispId(ExplorerBrowserViewDispatchIds.SelectionChanged)]
 
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        public void ViewSelectionChanged()
 
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        {
 
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            parent.FireSelectionChanged();
 
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        }
 
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        /// <summary>
 
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        /// The contents of the view have changed
 
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        /// </summary>
 
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        [DispId(ExplorerBrowserViewDispatchIds.ContentsChanged)]
 
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        public void ViewContentsChanged()
 
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        {
 
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            parent.FireContentChanged();
 
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        }
 
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        /// <summary>
 
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        /// The enumeration of files in the view is complete
 
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        /// </summary>
 
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        [DispId(ExplorerBrowserViewDispatchIds.FileListEnumDone)]
 
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        public void ViewFileListEnumDone()
 
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        {
 
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            parent.FireContentEnumerationComplete();
 
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        }
 
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        /// <summary>
 
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        /// The selected item in the view has changed (not the same as the selection has changed)
 
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        /// </summary>
 
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        [DispId(ExplorerBrowserViewDispatchIds.SelectedItemChanged)]
 
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        public void ViewSelectedItemChanged()
 
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        {
 
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            parent.FireSelectedItemChanged();
 
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        }
 
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        #endregion
 
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        /// <summary>
 
129
        /// Finalizer for ExplorerBrowserViewEvents
 
130
        /// </summary>
 
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        ~ExplorerBrowserViewEvents()
 
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        {
 
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            Dispose(false);
 
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        }
 
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        #region IDisposable Members
 
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        /// <summary>
 
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        /// Disconnects and disposes object.
 
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        /// </summary>        
 
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        public void Dispose()
 
142
        {
 
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            Dispose(true);
 
144
            GC.SuppressFinalize(this);
 
145
        }
 
146
 
 
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        /// <summary>
 
148
        /// Disconnects and disposes object.
 
149
        /// </summary>
 
150
        /// <param name="disposed"></param>
 
151
        protected virtual void Dispose(bool disposed)
 
152
        {
 
153
            if (disposed)
 
154
            {
 
155
                DisconnectFromView();
 
156
            }
 
157
        }
 
158
 
 
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        #endregion
 
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    }
 
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}