get_refresh_rate
  
  Description:
  [ 
Version ( since = 
"3.22" ) ]
public int get_refresh_rate ()
  
    Gets the refresh rate of the monitor, if available.
    The value is in milli-Hertz, so a refresh rate of 60Hz is returned as 60000.
    Parameters:
    
    Returns:
    
      
        | the refresh rate in milli-Hertz, or 0 |