private void timer_tryToLogin_Elapsed(object sender, EventArgs e)
{
Debug.Print(DateTime.Now.ToLongTimeString() + " - Trying to login");
if (!HttpCommunication.Init(out ProgramData.SecureRandom))
{
if (CMode.Equals(ConnectionMode.Unknown))
{
CMode = ConnectionMode.Offline;
radio_register.Enabled = radio_selection.Enabled = true;
radio_selection.Checked = true;
}
else if (CMode.Equals(ConnectionMode.Offline))
{
slb_LoginAs.Text = "嘗試連接到伺服器（離線模式）";
}
}
else
{
slb_LoginAs.Text = "伺服器連線成功，嘗試登入使用者";
CMode = ConnectionMode.Online;
}
if (CMode.Equals(ConnectionMode.Online))
{
ProgramData.EncryptPw =
Crypto.GetEncrypt(ProgramData.LoginPw, ProgramData.LoginId, ProgramData.SecureRandom);
if (!HttpCommunication.Login(ProgramData.LoginId, ProgramData.EncryptPw, out string msg))
{
AddLog(msg);
ProgramData.LoginSuccess = false;
slb_LoginAs.Text = "登入失敗";
loginToolStripMenuItem.Visible = true;
cancelLoginToolStripMenuItem.Visible = false;
}
else
{
AddLog(msg);
slb_LoginAs.Text = "登入為 " + ProgramData.LoginId;
ProgramData.LoginSuccess = true;
loginToolStripMenuItem.Visible = false;
cancelLoginToolStripMenuItem.Visible = false;
logoutToolStripMenuItem.Visible = true;
myCourseToolStripMenuItem.Visible = true;
searchCourseToolStripMenuItem.Visible = true;
if (!_timerLoopSelect.Enabled)
{
radio_register.Enabled = radio_selection.Enabled = true;
radio_register.Checked = true;
}
}
_timerTryToLogin.Stop();
}
}
