private void saveAsToolStripMenuItem_Click(object sender, EventArgs e)
{
TreeNode node = this.tvSectors.SelectedNode;
if (node != null && node.Parent.Name == "nodeDirectoryRecords")
{
DirectoryRecord dr = (DirectoryRecord)node.Tag;
saveFileDialog1.FileName = dr.FileIdentifier;
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
discimg.ExtractDirectoryRecord(dr, saveFileDialog1.FileName);
}
}
}