private void SelectRuleUserControl_Load(object sender, EventArgs e)
{
if (System.IO.File.Exists(@"RecentRules.xml"))
{
XmlDocument doc = new XmlDocument();
doc.Load(@"RecentRules.xml");
XmlNodeList nodes = doc.DocumentElement.SelectNodes("/Rules/Rule");
//List<TunnelSimple> tunnels = new List<TunnelSimple>();
RuleSimple firstTS = new RuleSimple(-1, "已选择的规则");
this.cbbRule.Items.Add(firstTS);
foreach (XmlNode node in nodes)
{
string id = node.SelectSingleNode("ID").InnerText;
string des = node.SelectSingleNode("Description").InnerText;
RuleSimple tunnel = new RuleSimple(int.Parse(id), des);
cbbRule.Items.Add(tunnel);
}
cbbRule.SelectedIndex = 0;
}
}
private void btnChoose_Click(object sender, EventArgs e)
{
SelectRuleDlg dlg = new SelectRuleDlg();
dlg.ShowDialog();
if (System.Windows.Forms.DialogResult.OK == dlg.DialogResult)
{
this.ruleId = dlg.ruleId;
this.ruleDescription = dlg.ruleDescription;
int index = -1;
bool alreadyExist = false;
foreach (RuleSimple rule in this.cbbRule.Items)
{
index++;
if (rule.Id == dlg.ruleId)
{
alreadyExist = true;
break;
}
}
// remove the tunnel that already exists.
if (alreadyExist)
{
cbbRule.Items.RemoveAt(index);
}
RuleSimple ts = new RuleSimple(dlg.ruleId, dlg.ruleDescription);
// Set the new selected tunnel.
index = cbbRule.Items.Add(ts);
cbbRule.SelectedIndex = index;
// Write the recent used tunnel to XML
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
XmlWriter writer = XmlWriter.Create("RecentRules.xml", settings);
writer.WriteStartDocument();
writer.WriteComment("This file is generated by the program.");
writer.WriteStartElement("Rules");
for (int i = 1; i < this.cbbRule.Items.Count; i++)
{
RuleSimple rule = this.cbbRule.Items[i] as RuleSimple;
writer.WriteStartElement("Rule");
writer.WriteElementString("ID", rule.Id.ToString()); // <-- These are new
writer.WriteElementString("Description", rule.Description);
writer.WriteEndElement();
}
writer.WriteEndElement();
writer.WriteEndDocument();
writer.Flush();
writer.Close();
}
}