public static string FolderBrowserDlg(string defaultPath = "")
{
OpenDlgDir dlg = new OpenDlgDir();
dlg.pszDisplayName = defaultPath;
dlg.ulFlags = BIF_USENEWUI;
//设置hwndOwner==0时，是非模态对话框，设置hwndOwner!=0时为模态对话框
dlg.hwndOwner = DllOpenFileDialog.GetForegroundWindow();
IntPtr pidlPtr = DllOpenFileDialog.SHBrowseForFolder(dlg);
char[] charArray = new char[MAX_PATH_LENGTH];
DllOpenFileDialog.SHGetPathFromIDList(pidlPtr, charArray);
string foldPath = new String(charArray);
foldPath = foldPath.Substring(0, foldPath.IndexOf('\0'));
return(foldPath);
}
public static extern IntPtr SHBrowseForFolder([In, Out] OpenDlgDir odd);
