get_presentation_time

Description:

public int64 get_presentation_time ()

Reurns the presentation time.

This is the time at which the frame became visible to the user.

Parameters:

this	a `GdkFrameTimings`

Returns:

the time the frame was displayed to the user, in the timescale of get_monotonic_time, or 0 if no presentation time is available. See [[email protected]_complete]