void TestPlayBackwards()
{
int hr;
IDvdCmd ppCmd = null;
DvdPlaybackLocation2 pLocation;
AllowPlay();
hr = m_idc2.PlayTitle(2, DvdCmdFlags.Flush | DvdCmdFlags.SendEvents, out ppCmd);
DsError.ThrowExceptionForHR(hr);
Thread.Sleep(100);
hr = m_idc2.PlayBackwards(1, DvdCmdFlags.Flush | DvdCmdFlags.SendEvents, out ppCmd);
DsError.ThrowExceptionForHR(hr);
// S_False means it can't play backwards (I'm guessing)
if (hr != 1)
{
Thread.Sleep(2000);
hr = m_idi2.GetCurrentLocation(out pLocation);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pLocation.TimeCode.bSeconds == 0, "TestPlayBackwards");
}
hr = m_idc2.Stop();
DsError.ThrowExceptionForHR(hr);
}
/// <summary>
/// Plays the DVD backwards
/// </summary>
/// <param name="speed">The speed at the playback is done</param>
public void PlayBackwards(double speed)
{
VerifyAccess();
if (m_dvdControl == null)
{
return;
}
IDvdCmd cmd;
m_dvdControl.PlayBackwards(speed, DvdCmdFlags.None, out cmd);
if (cmd != null)
{
Marshal.ReleaseComObject(cmd);
}
}
