public string ShowSaveFileDialog(string title, string fileFilter)
{
SaveFileDialog dialog = new SaveFileDialog();
dialog.Title = title;
dialog.RestoreDirectory = true;
dialog.OverwritePrompt = true;
dialog.ValidateNames = true;
dialog.InitialDirectory = System.IO.Directory.GetCurrentDirectory();
dialog.Filter = fileFilter;
if (dialog.ShowDialog() == DialogResult.OK)
{
return dialog.FileName;
}
return null;
}