C# how to Run the application at Windows startup

private void RegisterInStartup(bool Checked)
{
    RegistryKey registryValue= Registry.CurrentUser.OpenSubKey
            ("SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run", true);
    if (Checked))
    {
        registryKey.SetValue("startupApplication", Application.ExecutablePath);
    }
    else
    {
        registryKey.DeleteValue("startupApplication");
    }
}