/// <summary> /// 查询连接存储设备 /// </summary> /// <returns></returns> public bool Connected() { int device_num = 0; int ret = SDKApi.EagleControl_ScanAndGetDeviceNum(ref device_num); if (ret == 0) { if (device_num > 0) { IntPtr[] device_ids = new IntPtr[device_num]; int ids = 0; ret = SDKApi.EagleControl_GetDeviceIds(device_ids, 1, ref ids); if (ret == 0) { var initdevice = SDKApi.EagleData_Init();//初始化设备 DeviceId = (int)device_ids[0]; IsConnected = true; return(true); } } } return(false); }