public void ExportChanges(XmlWriter writer)
{
StringBuilder sb = new StringBuilder();
foreach (TabPage page in tabControl.TabPages)
{
IPageView view = (IPageView)page.Controls[0];
string xml = view.ExportChanges();
if (!String.IsNullOrEmpty(xml))
{
sb.Append(xml);
sb.Append("\r\n");
}
}
try
{
XDocument doc = XDocument.Parse(String.Format(envelopeFormat, sb.ToString()));
doc.WriteTo(writer);
writer.Flush();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Settings.Default.Error,
MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}