private void frmMain_Load(object sender, EventArgs e)
{
this.Cursor = Cursors.WaitCursor;
try
{
this.tvControllers.SuspendLayout();
m_settings = UserSettings.LoadFromFile();
m_settings.UserSettingsChanged += delegate(object obj, EventArgs ea)
{
this.lblStatus.Text = m_settings.ToString();
};
this.lblStatus.Text = m_settings.ToString();
m_controller = InfraredRayController.LoadIRCsFromFile();
if (m_controller.Count > 0)
{
foreach (string s in m_controller.Keys)
{
this.tvControllers.Nodes.Add(new TreeNode(s));
}
}
}
catch (Exception ex)
{
MessageBox.Show("加载配置文件和控制器信息失败，错误消息为:" + ex.Message);
}
finally
{
this.tvControllers.ResumeLayout();
this.Cursor = Cursors.Default;
}
}
private void tvControllers_AfterLabelEdit(object sender, NodeLabelEditEventArgs e)
{
if (string.IsNullOrWhiteSpace(e.Label))
{
e.CancelEdit = true;
MessageBox.Show("控制器名称不能为空或者空格，请重新填写");
e.Node.BeginEdit();
return;
}
if (m_controller.ContainsKey(e.Label))
{
e.CancelEdit = true;
MessageBox.Show(string.Format("控制器名称{0}已经存在，请重新填写", e.Node.Text));
e.Node.BeginEdit();
return;
}
InfraredRayController irc = new InfraredRayController();
irc.Name = e.Label;
m_controller.Add(e.Label, irc);
this.tvControllers.SelectedNode = e.Node;
e.Node.EndEdit(false);
this.tvControllers.LabelEdit = false;
}
public static Dictionary <string, InfraredRayController> LoadIRCsFromFile()
{
System.IO.FileStream fs = null;
try
{
string dirPath = Path.Combine(Application.StartupPath, DirName);
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
string fileName = string.Format("*{0}", FileExtention);
string[] files = Directory.GetFiles(dirPath, fileName);
if (files == null || files.Length <= 0)
{
return(new Dictionary <string, InfraredRayController>());
}
Dictionary <string, InfraredRayController> results = new Dictionary <string, InfraredRayController>();
foreach (string s in files)
{
fs = new System.IO.FileStream(s, System.IO.FileMode.Open, System.IO.FileAccess.Read);
XmlSerializer xs = new XmlSerializer(typeof(InfraredRayController));
InfraredRayController irc = (InfraredRayController)xs.Deserialize(fs);
results.Add(irc.Name, irc);
fs.Close();
}
return(results);
}
catch (Exception ex)
{
throw new Exception("序列化到文件失败，错误消息为:" + ex.Message, ex);
}
finally
{
if (fs != null)
{
fs.Close();
}
}
}
