コード例 #1
0
        static int ChangeFolder(ShellDebuggerModel model, IntPtr pidl,
                                SBSP wFlags, IShellFolder folderTmp, IntPtr pidlTmp)
        {
            model.currentFolder = folderTmp;
            var Form = model.Form;

            FOLDERSETTINGS fs              = new FOLDERSETTINGS();
            IShellView     lastIShellView  = model.ShellView;
            IShellView2    lastIShellView2 = model.ShellView as IShellView2;

            if (lastIShellView != null)
            {
                lastIShellView.GetCurrentInfo(ref fs);
            }
            // Copy the old folder settings
            else
            {
                fs          = new FOLDERSETTINGS();
                fs.fFlags   = ShellDebuggerModel.folderFlags;
                fs.ViewMode = ShellDebuggerModel.folderViewMode;
            }

            // Create the IShellView
            IntPtr iShellViewPtr;
            var    shellViewGuid = typeof(IShellView).GUID;
            var    hr            = ShellObject.CreateViewObject(folderTmp, Form.Handle,
                                                                ref shellViewGuid, out iShellViewPtr);

            if (hr != WinError.S_OK)
            {
                shellViewGuid = typeof(IShellView).GUID;
                hr            = ShellObject.CreateViewObject(folderTmp, Form.Handle,
                                                             ref shellViewGuid, out iShellViewPtr);
            }

            if (hr == WinError.S_OK)
            {
                model.ShellView = null;
                model.ShellView = (IShellView) // IShellView2
                                  Marshal.GetObjectForIUnknown(iShellViewPtr);
                //if (model.ShellView == null)
                //    model.ShellView = (IShellView)
                //               Marshal.GetObjectForIUnknown(iShellViewPtr);
                // int CreateViewWindow2(SV2CVW2_PARAMS lpParams);

                var  hWndListView = IntPtr.Zero;
                RECT rc           =
                    new RECT(0, 0,
                             Form.ClientSize.Width,
                             Form.ClientSize.Height);

                int res;
                model.lastViewPidl = IntPtr.Zero;
                var shellView = model.ShellView;

                try
                {
                    // Create the actual list view.
                    res = shellView.CreateViewWindow(lastIShellView, ref fs,
                                                     model, ref rc, ref hWndListView);

                    model.hWndListView = hWndListView;
                    shellView.EnableModeless(true);
                }
                catch (COMException)
                {
                    return(WinError.E_FAIL);
                }

                if (res < 0)
                {
                    return(WinError.E_FAIL);
                }

                // Release the old IShellView
                if (lastIShellView != null)
                {
                    lastIShellView.GetCurrentInfo(ref fs);
                    lastIShellView.UIActivate(SVUIA_STATUS.SVUIA_DEACTIVATE);
                    lastIShellView.DestroyViewWindow();
                }

                // Set focus to the IShellView
                model.ShellView.UIActivate(SVUIA_STATUS.SVUIA_ACTIVATE_FOCUS);
                model.currentAbsolutePidl = pidlTmp;

                if (model.lastViewPidl != IntPtr.Zero)
                {
                    //    var lastItem = model.LastSelected;
                }
                //else
                //{
                //    // empty list
                //}
            }

            return(WinError.S_OK);
        }