/// <summary>
/// Restores the DVD playback state from a formerly saved resume state.
/// </summary>
/// <param name="resumeData">The resume data which was retrieved by calling <see cref="GetResumeState"/>.</param>
private void SetResumeState(byte[] resumeData)
{
if ((resumeData != null) && (resumeData.Length > 0))
{
IDvdState dvdState;
int hr = _dvdInfo.GetState(out dvdState);
if (hr < 0)
{
return;
}
IPersistMemory dvdStatePersistMemory = (IPersistMemory)dvdState;
IntPtr stateData = Marshal.AllocHGlobal(resumeData.Length);
Marshal.Copy(resumeData, 0, stateData, resumeData.Length);
try
{
dvdStatePersistMemory.Load(stateData, (uint)resumeData.Length);
}
finally
{
Marshal.FreeHGlobal(stateData);
}
hr = _dvdCtrl.SetState(dvdState, DvdCmdFlags.Block, out _cmdOption);
if (hr == 0)
{
return;
}
Marshal.ReleaseComObject(dvdState);
}
return;
}
void TestState()
{
int hr;
IDvdCmd ppCmd;
IDvdState dss;
AllowPlay();
hr = m_idc2.PlayChapterInTitle(1, 2, DvdCmdFlags.Flush | DvdCmdFlags.SendEvents, out ppCmd);
DsError.ThrowExceptionForHR(hr);
Thread.Sleep(500);
hr = m_idi2.GetState(out dss);
DsError.ThrowExceptionForHR(hr);
Thread.Sleep(3000);
hr = m_idc2.Stop();
DsError.ThrowExceptionForHR(hr);
Thread.Sleep(500);
// Returns a State corrupted error. C++ returns the same thing.
hr = m_idc2.SetState(dss, DvdCmdFlags.Block, out ppCmd);
//DsError.ThrowExceptionForHR(hr);
}
