list_markers
Description:
[ CCode ( array_length = true ,  array_length_pos = 1.1 ,  array_length_type = "gsize" ,  array_null_terminated = true ) ]
[ Version ( since = "0.8" ) ]
public string[] list_markers (int msecs)
  [ Version ( since = "0.8" ) ]
public string[] list_markers (int msecs)
Retrieves the list of markers at time msecs.
 If msecs is a negative integer, all the markers attached to this will be returned.
Parameters:
| this | a Timeline | 
| msecs | the time to check, or -1 | 
| n_markers | the number of markers returned | 
Returns:
| a newly allocated,  |