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);
}