|Microsoft DirectShow 9.0|
The time attribute specifies the time at which a parameter assumes a new value, relative to the start of the transition or effect.
Must be a string with the format hh:mm:ss.ff format, where hh = hours, mm = minutes, ss = seconds, and ff = fractions of seconds. Example: 1:04:30.512. Leading units can be omitted. For example, 3:00 (three minutes) and 45 (45 seconds) are both valid.