// Called just after invoking the COM method. The IntPtr is the same one that just got returned
// from MarshalManagedToNative. The return value is unused.
override public object MarshalNativeToManaged(IntPtr pNativeData)
{
DvdKaraokeAttributes dka = m_obj as DvdKaraokeAttributes;
// Copy in the value, and advance the pointer
dka.bVersion = (byte)Marshal.ReadByte(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(byte)));
// DWORD Align
pNativeData = (IntPtr)(pNativeData.ToInt64() + 3);
// Copy in the value, and advance the pointer
dka.fMasterOfCeremoniesInGuideVocal1 = Marshal.ReadInt32(pNativeData) != 0;
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(bool)));
// Copy in the value, and advance the pointer
dka.fDuet = Marshal.ReadInt32(pNativeData) != 0;
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(typeof(bool)));
// Copy in the value, and advance the pointer
dka.ChannelAssignment = (DvdKaraokeAssignment)Marshal.ReadInt32(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(DvdKaraokeAssignment.GetUnderlyingType(typeof(DvdKaraokeAssignment))));
// Allocate a large enough array to hold all the returned structs.
dka.wChannelContents = new DvdKaraokeContents[8];
for (int x = 0; x < 8; x++)
{
// Copy in the value, and advance the pointer
dka.wChannelContents[x] = (DvdKaraokeContents)Marshal.ReadInt16(pNativeData);
pNativeData = (IntPtr)(pNativeData.ToInt64() + Marshal.SizeOf(DvdKaraokeContents.GetUnderlyingType(typeof(DvdKaraokeContents))));
}
return(null);
}
void TestMisc()
{
int hr;
DvdVideoAttributes pVATR;
SPRMArray pRegisterArray;
hr = m_idi2.GetAllSPRMs(out pRegisterArray);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pRegisterArray.registers[0] == 25966, "GetAllSPRMs");
hr = m_idi2.GetCurrentVideoAttributes(out pVATR);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(pVATR.sourceResolutionX == 720, "GetCurrentVideoAttributes");
// This won't work for non-karaoke disks
DvdKaraokeAttributes pKATR = new DvdKaraokeAttributes();
hr = m_idi2.GetKaraokeAttributes(0, pKATR);
//DsError.ThrowExceptionForHR(hr);
}
