/// <summary>
/// This handler verifies login credentials and continues the program.
/// </summary>
private void LoginButton_Click(object sender, EventArgs e)
{
if (FailedLoginAttempts >= 3)
{
// begin lockout
LoginButton.Enabled = false;
LockoutTimer.Start();
FailedLoginAttempts = 0;
MessageBox.Show("Too many login attempts. Try again in 3 minutes.", "Lockout");
}
else
{
if (Connection.QueryDatabase("select * from Account where Username = '******' and Password = '******'").Rows.Count > 0)
{
FailedLoginAttempts = 0;
Program.mainMenu.Username = UsernameTextBox.Text;
UsernameTextBox.Text = "";
PasswordTextBox.Text = "";
this.Hide();
Program.mainMenu.Show();
}
else
{
FailedLoginAttempts++;
MessageBox.Show("Incorrect login credentials.", "Login Failed");
}
}
}
// EVENT HANDLERS +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
/// <summary>
/// This handler disables lockout after 3 minutes.
/// </summary>
private void LockoutTimer_Tick(object sender, EventArgs e)
{
LockoutTimer.Stop();
LoginButton.Enabled = true;
}