void TestStrings()
{
int hr;
int pulwActualSize;
int pulActualSize;
DvdTextStringType pType;
DvdTextStringType pwType;
int pulNumOfLangs;
int pulNumOfStrings;
int pLangCode;
DvdTextCharSet pbCharacterSet;
hr = m_idi2.GetDVDTextNumberOfLanguages(out pulNumOfLangs);
DsError.ThrowExceptionForHR(hr);
if (pulNumOfLangs > 0)
{
hr = m_idi2.GetDVDTextLanguageInfo(0, out pulNumOfStrings, out pLangCode, out pbCharacterSet);
DsError.ThrowExceptionForHR(hr);
StringBuilder sb1 = new StringBuilder(255, 255);
hr = m_idi2.GetDVDTextStringAsNative(0, pulNumOfStrings - 1, sb1, sb1.Capacity, out pulActualSize, out pType);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(sb1.Length > 0, "GetDVDTextStringAsNative");
StringBuilder sb2 = new StringBuilder(255, 255);
hr = m_idi2.GetDVDTextStringAsUnicode(0, pulNumOfStrings - 1, sb2, sb2.Capacity, out pulwActualSize, out pwType);
DsError.ThrowExceptionForHR(hr);
Debug.Assert(sb2.Length > 0, "GetDVDTextStringAsUnicode");
}
}