/// <summary> /// Creates and initializes the native ExplorerBrowser control /// </summary> protected override void OnCreateControl() { base.OnCreateControl(); if (this.DesignMode == false) { explorerBrowserControl = new ExplorerBrowserClass(); // hooks up IExplorerPaneVisibility and ICommDlgBrowser event notifications ExplorerBrowserNativeMethods.IUnknown_SetSite(explorerBrowserControl, this); // hooks up IExplorerBrowserEvents event notification explorerBrowserControl.Advise( Marshal.GetComInterfaceForObject(this, typeof(IExplorerBrowserEvents)), out eventsCookie); // sets up ExplorerBrowser view connection point events viewEvents = new ExplorerBrowserViewEvents(this); NativeRect rect = new NativeRect(); rect.Top = ClientRectangle.Top; rect.Left = ClientRectangle.Left; rect.Right = ClientRectangle.Right; rect.Bottom = ClientRectangle.Bottom; explorerBrowserControl.Initialize(this.Handle, ref rect, null); // Force an initial show frames so that IExplorerPaneVisibility works the first time it is set. // This also enables the control panel to be browsed to. If it is not set, then navigating to // the control panel succeeds, but no items are visible in the view. explorerBrowserControl.SetOptions(ExplorerBrowserOptions.ShowFrames); // ExplorerBrowserOptions.NoBorder does not work, so we do it manually... RemoveWindowBorder(); explorerBrowserControl.SetPropertyBag(propertyBagName); if (antecreationNavigationTarget != null) { BeginInvoke(new MethodInvoker( delegate { Navigate(antecreationNavigationTarget); antecreationNavigationTarget = null; })); } } Application.AddMessageFilter(this); }
/// <summary> /// Creates and initializes the native ExplorerBrowser control /// </summary> protected override void OnCreateControl() { base.OnCreateControl(); HRESULT hr = HRESULT.S_OK; if (this.DesignMode == false) { explorerBrowserControl = new ExplorerBrowserClass(); // hooks up IExplorerPaneVisibility and ICommDlgBrowser event notifications hr = ExplorerBrowserNativeMethods.IUnknown_SetSite(explorerBrowserControl, this); // hooks up IExplorerBrowserEvents event notification hr = explorerBrowserControl.Advise( Marshal.GetComInterfaceForObject(this, typeof(IExplorerBrowserEvents)), out eventsCookie); // sets up ExplorerBrowser view connection point events viewEvents = new ExplorerBrowserViewEvents(this); CoreNativeMethods.RECT rect = new CoreNativeMethods.RECT(); rect.top = ClientRectangle.Top; rect.left = ClientRectangle.Left; rect.right = ClientRectangle.Right; rect.bottom = ClientRectangle.Bottom; explorerBrowserControl.Initialize(this.Handle, ref rect, null); // Force an initial show frames so that IExplorerPaneVisibility works the first time it is set. // This also enables the control panel to be browsed to. If it is not set, then navigating to // the control panel succeeds, but no items are visible in the view. explorerBrowserControl.SetOptions(EXPLORER_BROWSER_OPTIONS.EBO_SHOWFRAMES); explorerBrowserControl.SetPropertyBag(propertyBagName); if (antecreationNavigationTarget != null) { BeginInvoke(new MethodInvoker( delegate { Navigate(antecreationNavigationTarget); antecreationNavigationTarget = null; })); } } Application.AddMessageFilter(this); }
/// <summary> /// Cleans up the explorer browser events+object when the window is being taken down. /// </summary> /// <param name="e">An EventArgs that contains event data.</param> protected override void OnHandleDestroyed(EventArgs e) { if (explorerBrowserControl != null) { // unhook events viewEvents.DisconnectFromView(); explorerBrowserControl.Unadvise(eventsCookie); ExplorerBrowserNativeMethods.IUnknown_SetSite(explorerBrowserControl, null); // destroy the explorer browser control explorerBrowserControl.Destroy(); // release com reference to it Marshal.ReleaseComObject(explorerBrowserControl); explorerBrowserControl = null; } base.OnHandleDestroyed(e); }