C# (CSharp) IAMTimeline.GetDuration示例

示例#1

        private void TestDuration()
        {
            int    hr;
            long   l;
            double d;

            IAMTimelineObj pTrack1Obj;

            hr = m_pTimeline.CreateEmptyNode(out pTrack1Obj, TimelineMajorType.Track);
            DESError.ThrowExceptionForHR(hr);

            // tell the composition about the track
            IAMTimelineComp pRootComp = (IAMTimelineComp)m_pVideoGroup;

            hr = pRootComp.VTrackInsBefore(pTrack1Obj, -1);
            DESError.ThrowExceptionForHR(hr);

            m_VideoTrack = (IAMTimelineTrack)pTrack1Obj;

            AddVideo("foo.avi");
            AddVideo("foxo.avi");

            hr = m_pTimeline.GetDuration(out l);
            DESError.ThrowExceptionForHR(hr);

            Debug.Assert(l == 10000000000, "Duration");

            hr = m_pTimeline.GetDuration2(out d);
            DESError.ThrowExceptionForHR(hr);

            Debug.Assert(d == 1000.0, "GetDuration2");

            hr = m_pTimeline.ValidateSourceNames(SFNValidateFlags.Replace | SFNValidateFlags.Check | SFNValidateFlags.Popup, this, IntPtr.Zero);
            DESError.ThrowExceptionForHR(hr);
        }