mirror of https://github.com/dahall/Vanara.git
Marked ShellView and ShellBrowser 'internal' until they're ready to release.
dahall
parent
8084c030da
commit
d17fdc5cc3
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@ -1,112 +1,203 @@
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using System;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Runtime.InteropServices.ComTypes;
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using System.Windows.Forms;
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using Vanara.Extensions;
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using Vanara.PInvoke;
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using static Vanara.PInvoke.Shell32;
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namespace Vanara.Windows.Shell
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{
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internal class ShellBrowser : IShellBrowser, IOleCommandTarget, Shell32.IServiceProvider
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/// <summary>A basic implementation of IShellBrowser, IOleCommandTarget and ICommDlgBrowser.</summary>
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/// <remarks>
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/// <para>This implementation used a <see cref="ShellView" /> to implement:</para>
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/// <list type="bullet">
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/// <item>BrowseObject</item>
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/// <item>GetWindow</item>
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/// <item>OnDefaultCommand</item>
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/// <item>OnStateChange</item>
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/// </list>
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/// </remarks>
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/// <seealso cref="IShellBrowser" />
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/// <seealso cref="IOleCommandTarget" />
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/// <seealso cref="Shell32.IServiceProvider" />
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/// <seealso cref="ICommDlgBrowser" />
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[ComVisible(true), ClassInterface(ClassInterfaceType.None)]
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internal class ShellBrowser : IShellBrowser, IOleCommandTarget, Shell32.IServiceProvider, ICommDlgBrowser
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{
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private readonly ShellView shellView;
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/// <summary>The <see cref="ShellView"/> instance from initialization.</summary>
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protected readonly ShellView shellView;
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internal ShellBrowser(ShellView view) => shellView = view ?? throw new ArgumentNullException(nameof(view));
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/// <summary>Initializes a new instance of the <see cref="ShellBrowser"/> class with a <see cref="ShellView"/> instance.</summary>
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/// <param name="view">The <see cref="ShellView"/> instance.</param>
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/// <exception cref="ArgumentNullException">view</exception>
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public ShellBrowser(ShellView view) => shellView = view ?? throw new ArgumentNullException(nameof(view));
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HRESULT IShellBrowser.BrowseObject(IntPtr pidl, SBSP wFlags)
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/// <summary>Gets or sets the progress bar associated with the view.</summary>
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/// <value>The progress bar.</value>
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public ProgressBar ProgressBar { get; set; }
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/// <summary>Gets or sets the status bar associated with the view.</summary>
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/// <value>The status bar.</value>
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public StatusBar StatusBar { get; set; }
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#if NETFRAMEWORK || NETCOREAPP3_0
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/// <summary>Gets or sets the tool bar associated with the view.</summary>
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/// <value>The tool bar.</value>
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public ToolBar ToolBar { get; set; }
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#endif
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/// <summary>Gets or sets the TreeView associated with the view.</summary>
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/// <value>The TreeView.</value>
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public TreeView TreeView { get; set; }
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/// <inheritdoc/>
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public virtual HRESULT BrowseObject(IntPtr pidl, SBSP wFlags)
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{
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if (wFlags.IsFlagSet(SBSP.SBSP_PARENT))
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switch (wFlags)
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{
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shellView.NavigateParent();
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}
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else if (wFlags.IsFlagSet(SBSP.SBSP_NAVIGATEBACK))
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{
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shellView.NavigateBack();
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}
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else if (wFlags.IsFlagSet(SBSP.SBSP_NAVIGATEFORWARD))
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{
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shellView.NavigateForward();
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}
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else
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{
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shellView.Navigate(new ShellFolder(pidl));
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case var f when f.IsFlagSet(SBSP.SBSP_NAVIGATEBACK):
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shellView.NavigateBack();
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break;
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case var f when f.IsFlagSet(SBSP.SBSP_NAVIGATEFORWARD):
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shellView.NavigateForward();
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break;
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case var f when f.IsFlagSet(SBSP.SBSP_PARENT):
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shellView.NavigateParent();
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break;
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case var f when f.IsFlagSet(SBSP.SBSP_RELATIVE):
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if (ShellItem.Open(shellView.CurrentFolder.IShellFolder, pidl) is ShellFolder sf)
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shellView.Navigate(sf);
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break;
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default:
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shellView.Navigate(new ShellFolder(pidl));
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break;
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}
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return HRESULT.S_OK;
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}
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HRESULT IShellBrowser.ContextSensitiveHelp(bool fEnterMode) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT ContextSensitiveHelp(bool fEnterMode) => HRESULT.E_NOTIMPL;
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HRESULT Ole32.IOleWindow.ContextSensitiveHelp(bool fEnterMode) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT EnableModelessSB(bool fEnable) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.EnableModelessSB(bool fEnable) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT Exec(in Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, in object pvaIn, ref object pvaOut) => HRESULT.E_NOTIMPL;
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HRESULT IOleCommandTarget.Exec(in Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, in object pvaIn, ref object pvaOut) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.GetControlWindow(FCW id, out HWND phwnd)
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/// <inheritdoc/>
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public virtual HRESULT GetControlWindow(FCW id, out HWND phwnd)
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{
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phwnd = HWND.NULL;
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return HRESULT.E_NOTIMPL;
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phwnd = id switch
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{
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FCW.FCW_PROGRESS => CheckAndLoad(ProgressBar),
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FCW.FCW_STATUS => CheckAndLoad(StatusBar),
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#if NETFRAMEWORK || NETCOREAPP3_0
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FCW.FCW_TOOLBAR => CheckAndLoad(ToolBar),
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#endif
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FCW.FCW_TREE => CheckAndLoad(TreeView),
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_ => HWND.NULL,
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};
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return phwnd.IsNull ? HRESULT.E_NOTIMPL : HRESULT.S_OK;
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static HWND CheckAndLoad(Control c) => c != null && c.IsHandleCreated ? c.Handle : HWND.NULL;
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}
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HRESULT IShellBrowser.GetViewStateStream(STGM grfMode, out IStream ppStrm)
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/// <inheritdoc/>
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public virtual HRESULT GetViewStateStream(STGM grfMode, out IStream ppStrm)
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{
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ppStrm = null;
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return HRESULT.E_NOTIMPL;
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}
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HRESULT IShellBrowser.GetWindow(out HWND phwnd)
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/// <inheritdoc/>
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public virtual HRESULT GetWindow(out HWND phwnd)
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{
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phwnd = shellView.shellViewWindow;
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return HRESULT.E_NOTIMPL;
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return HRESULT.S_OK;
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}
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HRESULT Ole32.IOleWindow.GetWindow(out HWND phwnd) => shellView.iObj.GetWindow(out phwnd);
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/// <inheritdoc/>
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public virtual HRESULT IncludeObject(IShellView ppshv, IntPtr pidl) => shellView.IncludeItem(pidl) ? HRESULT.S_OK : HRESULT.S_FALSE;
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HRESULT IShellBrowser.InsertMenusSB(HMENU hmenuShared, ref Ole32.OLEMENUGROUPWIDTHS lpMenuWidths) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT InsertMenusSB(HMENU hmenuShared, ref Ole32.OLEMENUGROUPWIDTHS lpMenuWidths) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.OnViewWindowActive(IShellView ppshv) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT OnDefaultCommand(IShellView ppshv)
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{
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var selected = shellView.SelectedItems;
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HRESULT IShellBrowser.QueryActiveShellView(out IShellView ppshv)
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if (selected.Length > 0 && selected[0].IsFolder)
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{
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try { shellView.Navigate(selected[0] is ShellFolder f ? f : selected[0].Parent); }
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catch { }
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}
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else
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{
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shellView.OnDoubleClick(EventArgs.Empty);
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}
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return HRESULT.S_OK;
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}
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/// <inheritdoc/>
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public virtual HRESULT OnStateChange(IShellView ppshv, CDBOSC uChange)
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{
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if (uChange == CDBOSC.CDBOSC_SELCHANGE)
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shellView.OnSelectionChanged();
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return HRESULT.S_OK;
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}
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/// <inheritdoc/>
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public virtual HRESULT OnViewWindowActive(IShellView ppshv) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT QueryActiveShellView(out IShellView ppshv)
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{
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ppshv = null;
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return HRESULT.E_NOTIMPL;
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}
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HRESULT Shell32.IServiceProvider.QueryService(in Guid guidService, in Guid riid, out IntPtr ppvObject)
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/// <inheritdoc/>
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public virtual HRESULT QueryService(in Guid guidService, in Guid riid, out IntPtr ppvObject)
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{
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if (riid == typeof(IOleCommandTarget).GUID)
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{
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ppvObject = Marshal.GetComInterfaceForObject(this, typeof(IOleCommandTarget));
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return HRESULT.S_OK;
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}
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else if (riid == typeof(IShellBrowser).GUID)
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{
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ppvObject = Marshal.GetComInterfaceForObject(this, typeof(IShellBrowser));
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return HRESULT.S_OK;
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}
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else
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var lriid = riid;
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var i = GetType().GetInterfaces().FirstOrDefault(i => i.IsCOMObject && i.GUID == lriid);
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if (i is null)
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{
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ppvObject = IntPtr.Zero;
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return HRESULT.E_NOINTERFACE;
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}
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ppvObject = Marshal.GetComInterfaceForObject(this, i);
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return HRESULT.S_OK;
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}
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HRESULT IOleCommandTarget.QueryStatus(in Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, OLECMDTEXT pCmdText) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT QueryStatus(in Guid pguidCmdGroup, uint cCmds, OLECMD[] prgCmds, OLECMDTEXT pCmdText) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.RemoveMenusSB(HMENU hmenuShared) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT RemoveMenusSB(HMENU hmenuShared) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.SendControlMsg(FCW id, uint uMsg, IntPtr wParam, IntPtr lParam, out IntPtr pret)
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/// <inheritdoc/>
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public virtual HRESULT SendControlMsg(FCW id, uint uMsg, IntPtr wParam, IntPtr lParam, out IntPtr pret)
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{
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pret = default;
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return HRESULT.E_NOTIMPL;
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}
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HRESULT IShellBrowser.SetMenuSB(HMENU hmenuShared, IntPtr holemenuRes, HWND hwndActiveObject) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT SetMenuSB(HMENU hmenuShared, IntPtr holemenuRes, HWND hwndActiveObject) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.SetStatusTextSB(string pszStatusText) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT SetStatusTextSB(string pszStatusText) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.SetToolbarItems(ComCtl32.TBBUTTON[] lpButtons, uint nButtons, FCT uFlags) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT SetToolbarItems(ComCtl32.TBBUTTON[] lpButtons, uint nButtons, FCT uFlags) => HRESULT.E_NOTIMPL;
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HRESULT IShellBrowser.TranslateAcceleratorSB(ref MSG pmsg, ushort wID) => HRESULT.E_NOTIMPL;
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/// <inheritdoc/>
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public virtual HRESULT TranslateAcceleratorSB(ref MSG pmsg, ushort wID) => HRESULT.E_NOTIMPL;
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}
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}
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@ -11,6 +11,21 @@ using static Vanara.PInvoke.Shell32;
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namespace Vanara.Windows.Shell
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{
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/// <summary>Event argument for FilterItem event</summary>
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public class FilterShellItemEventArgs : EventArgs
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{
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/// <summary>Initializes a new instance of the <see cref="NavigatedEventArgs"/> class.</summary>
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/// <param name="item">The shell item.</param>
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public FilterShellItemEventArgs(ShellItem item) => Item = item;
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/// <summary>Gets or sets a value indicating whether a <see cref="ShellItem"/> is included by the filter.</summary>
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/// <value><see langword="true"/> if included; otherwise, <see langword="false"/>.</value>
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public bool Include { get; set; } = true;
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/// <summary>The new location of the explorer browser</summary>
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public ShellItem Item { get; private set; }
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}
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/// <summary>Event argument for The Navigated event</summary>
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public class NavigatedEventArgs : EventArgs
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{
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@ -40,36 +55,35 @@ namespace Vanara.Windows.Shell
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public ShellItem FailedLocation { get; set; }
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}
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/// <summary></summary>
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/// <seealso cref="System.IComparable{T}"/>
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/// <seealso cref="System.IDisposable"/>
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/// <seealso cref="System.IEquatable{T}"/>
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/// <seealso cref="System.IEquatable{T}"/>
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/// <seealso cref="System.ComponentModel.INotifyPropertyChanged"/>
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public class ShellView : Control, INotifyPropertyChanged
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/// <summary>Encapsulates IShellView for display as a control.</summary>
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/// <seealso cref="IComparable{T}"/>
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/// <seealso cref="IDisposable"/>
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/// <seealso cref="IEquatable{T}"/>
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/// <seealso cref="IEquatable{T}"/>
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/// <seealso cref="INotifyPropertyChanged"/>
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// TODO: Fix problems with IShellView.CreateViewWindow returning E_FAIL
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internal class ShellView : Control, INotifyPropertyChanged
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{
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internal IShellView iObj;
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internal HWND shellViewWindow;
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private ShellFolder currentFolder;
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private IShellBrowser iBrowser;
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private IShellView iShellView;
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/// <summary>Creates a new <see cref="ShellView"/> from a shell folder and assigns it to a window.</summary>
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/// <param name="folder">The shell folder.</param>
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/// <param name="owner">The owner window.</param>
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/// <returns>A new <see cref="ShellView"/> instance for the supplied shell folder.</returns>
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public ShellView(ShellFolder folder, IWin32Window owner) : this(CreateViewObject(folder, owner?.Handle ?? IntPtr.Zero)) => Navigate(folder);
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public ShellView(ShellFolder folder) : this() => currentFolder = folder;
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/// <summary>Initializes a new instance of the <see cref="ShellView"/> class.</summary>
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public ShellView() : this(ShellFolder.Desktop, null) { }
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public ShellView() => History = new ShellNavigationHistory();
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/// <summary>Initializes a new instance of the <see cref="ShellView"/> class.</summary>
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/// <param name="baseInterface">The base interface.</param>
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internal ShellView(IShellView baseInterface)
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{
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iObj = baseInterface;
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History = new ShellNavigationHistory();
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Items = new ShellItemArray(GetItemArray(iObj, SVGIO.SVGIO_ALLVIEW));
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}
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internal ShellView(IShellView baseInterface) : this() => IShellView = baseInterface;
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/// <summary>Fires when determining if an item should be shown in the view.</summary>
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[Category("Action"), Description("Filter items in the view.")]
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public event EventHandler<FilterShellItemEventArgs> FilterItem;
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/// <summary>Fires when the Items collection changes.</summary>
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[Category("Action"), Description("Items changed.")]
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@ -109,30 +123,48 @@ namespace Vanara.Windows.Shell
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public event EventHandler SelectionChanged;
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/// <summary>Gets or sets the <see cref="ShellFolder"/> currently being browsed by the <see cref="ShellView"/>.</summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public ShellFolder CurrentFolder { get => currentFolder ??= new ShellFolder(GetFolderForView(iObj)); set => Navigate(value); }
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[Category("Data"), DefaultValue(null), Description("The folder currently being browsed.")]
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public ShellFolder CurrentFolder
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{
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get => currentFolder ??= IShellView is null ? ShellFolder.Desktop : new ShellFolder(GetFolderForView(IShellView));
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set => Navigate(value);
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}
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/// <summary>A set of flags that indicate the options for the folder.</summary>
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public FOLDERFLAGS Flags => iObj.GetCurrentInfo().fFlags;
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public FOLDERFLAGS Flags => IShellView.GetCurrentInfo().fFlags;
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/// <summary>Contains the navigation history of the ExplorerBrowser</summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public ShellNavigationHistory History { get; private set; }
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/// <summary>Gets all the items in the view.</summary>
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/// <value>An array with all the items.</value>
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public ShellItemArray Items { get; private set; }
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/// <summary>Gets the underlying <see cref="IShellView"/> instance.</summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public IShellView IShellView
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{
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get => iShellView;
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private set
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{
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iShellView = value;
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//Items = new ShellItemArray(GetItemArray(iShellView, SVGIO.SVGIO_ALLVIEW));
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}
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}
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///// <summary>Gets all the items in the view.</summary>
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///// <value>An array with all the items.</value>
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//public ShellItemArray Items { get; private set; }
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/// <summary>Gets or sets the currently selected items in the view.</summary>
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/// <value>An array with the selected items.</value>
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/// <exception cref="System.ArgumentException">All items must belong to the folder hosted by this view. - SelectedItems</exception>
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/// <exception cref="ArgumentException">All items must belong to the folder hosted by this view. - SelectedItems</exception>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public ShellItem[] SelectedItems
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{
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get => Array.ConvertAll(GetItems(iObj, SVGIO.SVGIO_SELECTION), i => new ShellItem(i));
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get => Array.ConvertAll(GetItems(IShellView, SVGIO.SVGIO_SELECTION), i => new ShellItem(i));
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set
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{
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// Deselect all
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iObj.SelectItem(default, SVSIF.SVSI_DESELECTOTHERS);
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IShellView.SelectItem(default, SVSIF.SVSI_DESELECTOTHERS);
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if (value is null || value.Length == 0) return;
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// Get parent folder of view items
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PIDL pidl = CurrentFolder.PIDL;
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@ -141,19 +173,21 @@ namespace Vanara.Windows.Shell
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throw new ArgumentException("All items must belong to the folder hosted by this view.", nameof(SelectedItems));
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// Select all provided
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foreach (ShellItem item in value)
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iObj.SelectItem((IntPtr)item.PIDL, SVSIF.SVSI_SELECT);
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IShellView.SelectItem((IntPtr)item.PIDL, SVSIF.SVSI_SELECT);
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}
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}
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/// <summary>Folder view mode.</summary>
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[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
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public FOLDERVIEWMODE ViewMode => IShellView.GetCurrentInfo().ViewMode;
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/// <summary>
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/// Retrieves a handle to one of the windows participating in in-place activation (frame, document, parent, or in-place object window).
|
||||
/// </summary>
|
||||
/// <returns>The window handle.</returns>
|
||||
[Browsable(false), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
|
||||
public HWND WindowHandle => shellViewWindow;
|
||||
|
||||
/// <summary>Folder view mode.</summary>
|
||||
public FOLDERVIEWMODE ViewMode => iObj.GetCurrentInfo().ViewMode;
|
||||
|
||||
/// <summary>Gets the default size of the control.</summary>
|
||||
protected override Size DefaultSize => new Size(250, 200);
|
||||
|
||||
|
|
@ -179,24 +213,23 @@ namespace Vanara.Windows.Shell
|
|||
{
|
||||
HWND w1 = HWND.NULL, w2 = HWND.NULL;
|
||||
other?.GetWindow(out w1);
|
||||
iObj?.GetWindow(out w2);
|
||||
IShellView?.GetWindow(out w2);
|
||||
return w1 == w2;
|
||||
}
|
||||
|
||||
/// <summary>Determines whether the specified <see cref="object"/>, is equal to this instance.</summary>
|
||||
/// <param name="obj">The <see cref="object"/> to compare with this instance.</param>
|
||||
/// <returns><see langword="true"/> if the specified <see cref="object"/> is equal to this instance; otherwise, <see langword="false"/>.</returns>
|
||||
public override bool Equals(object obj) => ReferenceEquals(this, obj) || (obj is ShellView sv && Equals(sv.iObj)) || (obj is IShellView isv && Equals(isv));
|
||||
public override bool Equals(object obj) => ReferenceEquals(this, obj) || (obj is ShellView sv && Equals(sv.IShellView)) || (obj is IShellView isv && Equals(isv));
|
||||
|
||||
/// <summary>Returns a hash code for this instance.</summary>
|
||||
/// <returns>A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.</returns>
|
||||
public override int GetHashCode() => (int)(IntPtr)WindowHandle;
|
||||
|
||||
/// <summary>
|
||||
/// Clears the Explorer Browser of existing content, fills it with content from the specified container, and adds a new point to the
|
||||
/// Travel Log.
|
||||
/// Clears the view of existing content, fills it with content from the specified container, and adds a new item to the history.
|
||||
/// </summary>
|
||||
/// <param name="folder">The shell container to navigate to.</param>
|
||||
/// <param name="folder">The shell folder to navigate to.</param>
|
||||
public void Navigate(ShellFolder folder)
|
||||
{
|
||||
if (!OnNavigating(folder)) return;
|
||||
|
|
@ -234,10 +267,27 @@ namespace Vanara.Windows.Shell
|
|||
public void NavigateParent() { if (CurrentFolder != ShellFolder.Desktop) Navigate(CurrentFolder.Parent); }
|
||||
|
||||
/// <summary>Refreshes the view's contents in response to user input.</summary>
|
||||
public override void Refresh() => iObj.Refresh();
|
||||
public override void Refresh() => IShellView.Refresh();
|
||||
|
||||
/// <summary>Saves the Shell's view settings so the current state can be restored during a subsequent browsing session.</summary>
|
||||
public void SaveState() => iObj.SaveViewState();
|
||||
public void SaveState() => IShellView.SaveViewState();
|
||||
|
||||
/// <summary>Called to determine if an item should be shown in the view. Calls the <see cref="FilterItem"/> event if defined.</summary>
|
||||
/// <param name="pidl">The PIDL of the child item.</param>
|
||||
/// <returns><see langword="true"/> if the item should be included (this is the default); otherwise <see langword="false"/>.</returns>
|
||||
protected internal virtual bool IncludeItem(PIDL pidl)
|
||||
{
|
||||
if (FilterItem is null)
|
||||
return true;
|
||||
|
||||
var e = new FilterShellItemEventArgs(ShellItem.Open(CurrentFolder.IShellFolder, pidl));
|
||||
FilterItem?.Invoke(this, e);
|
||||
return e.Include;
|
||||
}
|
||||
|
||||
/// <summary>Raises the <see cref="Control.DoubleClick"/> event.</summary>
|
||||
/// <param name="e">An <see cref="EventArgs"/> that contains the event data.</param>
|
||||
protected internal new virtual void OnDoubleClick(EventArgs e) => base.OnDoubleClick(e);
|
||||
|
||||
/// <summary>Raises the <see cref="ItemsChanged"/> event.</summary>
|
||||
protected internal virtual void OnItemsChanged() => ItemsChanged?.Invoke(this, EventArgs.Empty);
|
||||
|
|
@ -287,22 +337,23 @@ namespace Vanara.Windows.Shell
|
|||
}
|
||||
if (iBrowser != null)
|
||||
{
|
||||
Marshal.ReleaseComObject(iBrowser);
|
||||
if (iBrowser.GetType().IsCOMObject)
|
||||
Marshal.ReleaseComObject(iBrowser);
|
||||
iBrowser = null;
|
||||
}
|
||||
if (Items != null)
|
||||
{
|
||||
Items.Dispose();
|
||||
Items = null;
|
||||
}
|
||||
//if (Items != null)
|
||||
//{
|
||||
// Items.Dispose();
|
||||
// Items = null;
|
||||
//}
|
||||
if (History != null)
|
||||
{
|
||||
History = null;
|
||||
}
|
||||
if (iObj != null)
|
||||
if (IShellView != null)
|
||||
{
|
||||
Marshal.ReleaseComObject(iObj);
|
||||
iObj = null;
|
||||
Marshal.ReleaseComObject(IShellView);
|
||||
IShellView = null;
|
||||
}
|
||||
}
|
||||
base.Dispose(disposing);
|
||||
|
|
@ -313,6 +364,7 @@ namespace Vanara.Windows.Shell
|
|||
{
|
||||
base.OnCreateControl();
|
||||
CreateShellView();
|
||||
History.Add(CurrentFolder.PIDL);
|
||||
OnNavigated();
|
||||
}
|
||||
|
||||
|
|
@ -321,7 +373,8 @@ namespace Vanara.Windows.Shell
|
|||
protected override void OnResize(EventArgs eventargs)
|
||||
{
|
||||
base.OnResize(eventargs);
|
||||
User32.SetWindowPos(shellViewWindow, HWND.HWND_TOP, 0, 0, ClientRectangle.Width, ClientRectangle.Height, 0);
|
||||
if (!shellViewWindow.IsNull)
|
||||
User32.SetWindowPos(shellViewWindow, HWND.HWND_TOP, 0, 0, ClientRectangle.Width, ClientRectangle.Height, 0);
|
||||
}
|
||||
|
||||
/// <summary>Processes Windows messages.</summary>
|
||||
|
|
@ -356,20 +409,19 @@ namespace Vanara.Windows.Shell
|
|||
|
||||
private static PIDL[] GetItems(IShellView iView, SVGIO uItem)
|
||||
{
|
||||
using ComReleaser<System.Windows.Forms.IDataObject> ido = ComReleaserFactory.Create(iView.GetItemObject<System.Windows.Forms.IDataObject>(uItem));
|
||||
using ComReleaser<IDataObject> ido = ComReleaserFactory.Create(iView.GetItemObject<IDataObject>(uItem));
|
||||
var shdo = new ShellDataObject(ido.Item);
|
||||
return shdo.GetShellIdList();
|
||||
}
|
||||
|
||||
private void CreateShellView()
|
||||
{
|
||||
IShellView prev = iObj;
|
||||
iObj = CreateViewObject(CurrentFolder, Handle);
|
||||
Items = new ShellItemArray(GetItemArray(iObj, SVGIO.SVGIO_ALLVIEW));
|
||||
IShellView prev = IShellView;
|
||||
IShellView = CreateViewObject(CurrentFolder, Handle);
|
||||
try
|
||||
{
|
||||
var fsettings = new FOLDERSETTINGS(ViewMode, Flags);
|
||||
shellViewWindow = iObj.CreateViewWindow(prev, fsettings, Browser, ClientRectangle);
|
||||
var fsettings = prev?.GetCurrentInfo() ?? new FOLDERSETTINGS(ViewMode, Flags);
|
||||
shellViewWindow = IShellView.CreateViewWindow(prev, fsettings, Browser, ClientRectangle);
|
||||
}
|
||||
catch (COMException ex)
|
||||
{
|
||||
|
|
@ -381,18 +433,23 @@ namespace Vanara.Windows.Shell
|
|||
}
|
||||
}
|
||||
|
||||
iObj.UIActivate(SVUIA.SVUIA_ACTIVATE_NOFOCUS);
|
||||
if (prev != null)
|
||||
{
|
||||
prev.UIActivate(SVUIA.SVUIA_DEACTIVATE);
|
||||
prev.DestroyViewWindow();
|
||||
Marshal.ReleaseComObject(prev);
|
||||
}
|
||||
|
||||
IShellView.UIActivate(SVUIA.SVUIA_ACTIVATE_NOFOCUS);
|
||||
|
||||
if (DesignMode) User32.EnableWindow(shellViewWindow, false);
|
||||
|
||||
if (prev != null) prev.DestroyViewWindow();
|
||||
}
|
||||
|
||||
private void OnPropertyChanged([System.Runtime.CompilerServices.CallerMemberName] string propertyName = "") => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
|
||||
|
||||
private void RecreateShellView()
|
||||
{
|
||||
if (iObj != null)
|
||||
if (IShellView != null)
|
||||
{
|
||||
CreateShellView();
|
||||
OnNavigated();
|
||||
|
|
|
|||
Loading…
Reference in New Issue