private void mainForm_Load(object sender, EventArgs e)
{
String connstr = @"Data Source=|DataDirectory|\data.db;Pooling=true;FailIfMissing=true";
//初始化数据库
if (false == System.IO.File.Exists(Application.StartupPath + @"\data.db"))
{
MessageBox.Show("缺少数据文件");
}
this.m_db = new dbdriver(connstr);
//初始化html界面
String url = Application.StartupPath + @"\assets\index.html";
if (false == System.IO.File.Exists(url))
{
MessageBox.Show("缺少Assets下的界面文件");
}
else
{
this.m_webClient.Navigate(url);
this.m_webClient.ObjectForScripting = this; // 可以js中可以通过 window.external. 访问 this中的方法
}
//初始化串口配置
m_comSettingDlg = new ComSetting();
m_comSettingDlg.LoadData(this.m_db);
this.m_comClient = new SerialPortClient();
this.m_comClient.Setting(m_comSettingDlg.GetComName(),
m_comSettingDlg.GetBund(),
m_comSettingDlg.GetDataBit(),
m_comSettingDlg.GetStopBit(),
m_comSettingDlg.GetParity()
);
}
public void LoadData(dbdriver dbh)
{
this.m_dbh = dbh;
this.m_comName.Items.Clear();
String[] names = SerialPort.GetPortNames();
foreach (String i in names)
{
this.m_comName.Items.Add(i);
}
ArrayList result = m_dbh.Query("select rowid,com,bund,stop,parity,databit from setting limit 0,1");
if (result.Count > 0)
{
Hashtable row = (Hashtable)result[0];
string name = Convert.ToString(row["com"]);
for (int i = 0; i < this.m_comName.Items.Count; i++)
{
if (this.m_comName.Items[i].ToString() == name)
{
this.m_comName.SelectedIndex = i;
break;
}
}
this.m_bundRate.SelectedIndex = Convert.ToInt32(row["bund"]);
this.m_wndCheckMethod.SelectedIndex = Convert.ToInt32(row["parity"]);
this.m_stopBit.Text = Convert.ToString(row["stop"]);
this.m_dataBit.Text = Convert.ToString(row["databit"]);
this.m_rowid = Convert.ToInt32(row["rowid"]);
}
else
{
this.m_bNeedInsert = true;
if (this.m_comName.Items.Count > 0)
{
this.m_comName.SelectedIndex = 0;
}
this.m_bundRate.SelectedIndex = 3;
this.m_wndCheckMethod.SelectedIndex = 0;
}
}