private void btnSaveXml_Click(object sender, EventArgs e)
{
if (mData != null)
{
SaveFileDialog lDlg = new SaveFileDialog();
lDlg.Filter = "XML Files|*.xml|All files|*.*";
if (lDlg.ShowDialog() == DialogResult.OK)
{
mData.SaveXML(lDlg.FileName);
}
}
}