public SelectFolderDialog()
{
fod = new FileOpenDialog();
ifod = (IFileOpenDialog)fod;
FOS fos;
ifod.GetOptions(out fos);
ifod.SetOptions(fos | FOS.FOS_PICKFOLDERS);
// Fix an apparent bug where the default folder is inside the last selected folder rather than selecting it in parent folder
IShellItem defaultFolder;
ifod.GetFolder(out defaultFolder);
if (defaultFolder != null)
{
IShellItem parentFolder;
defaultFolder.GetParent(out parentFolder);
if (parentFolder != null)
{
ifod.SetFolder(parentFolder);
}
}
}