文件的操作(FolderBrowserDialog && OpenFileDialog)

保存文件

1FolderBrowserDialog foldFile = new FolderBrowserDialog();
2            if (foldFile.ShowDialog() == DialogResult.OK)
3            {
4                txtFileName.Text = openFile.SelectedPath;
5            }

打开指点的文件

1OpenFileDialog openFile = new OpenFileDialog();
2            string fileName = string.Empty;
3            openFile.Filter = "*.dat|*.dat";
4            if (openFile.ShowDialog() == DialogResult.OK)
5            {
6                txtDownloadFile.Text = openFile.FileName;
7(string.Empty);
8            }