void hook_KeyPressed(object sender, KeyPressedEventArgs e)
{
if (txbSaveTo.Text == "")
{
showTip("请设置正确的保存地址！");
return;
}
string hotKey = "";
hotKey += ((e.Modifier & ModifierKeys_e.Control) == ModifierKeys_e.Control) ? "Ctrl+" : "";
hotKey += ((e.Modifier & ModifierKeys_e.Alt) == ModifierKeys_e.Alt) ? "Alt+" : "";
hotKey += ((e.Modifier & ModifierKeys_e.Shift) == ModifierKeys_e.Shift) ? "Shift+" : "";
hotKey += e.Key.ToString();
//showTip("已捕获所设置的快捷键：" + e.Modifier.ToString() + " + " + e.Key.ToString());
showTip("已捕获所设置的快捷键：" + hotKey);
doDownload();
}