private string GetSavePath(string title, string extension)
{
string retval = "";
if (MainTreeView.InvokeRequired)
this.Invoke(new Action(() => retval = GetSavePath(title, extension)));
else
using (SaveFileDialog sfd = new SaveFileDialog())
{
sfd.Title = title;
sfd.Filter = extension;
if (sfd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
retval = sfd.FileName;
}
return retval;
}