declare observableproperty in list details view model

5:17

12:39

2:26

5:12

15:52

3:10

3:10

3:00

کوتاه

8:15

30:55

7:00

19:33

20:30

24:06

1:44

1:22

13:29

35:37

23:06

5:13

30:24

12:34

47:32

31:31

5:13

18:34

17:24

4:44

18:33

11:16

1:34

3:58

1:47

9:04

کوتاه

2:47

1:15

3:03

1:15