public Form1()
{
InitializeComponent();
search_device_callback_ = new search_device_callback(search_device_callback_fun);
connction_callback_ = new connction_callback(connction_callback_fun);
alarm_callback_ = new alarm_callback(alarm_callback_fun);
preivew_callback_ = new preivew_callback(preivew_callback_fun);
device_id_ = NativeMethods.rs_create_device();
}
public static extern rs_error_code rs_device_login(device_id dev, String param, connction_callback conn_cb, alarm_callback alarm_cb, IntPtr user_param);
