//trial
private void button1_Click(object sender, RoutedEventArgs e)
{
IDiscRecorder2 recorder = new MsftDiscRecorder2();
recorder.InitializeDiscRecorder(selectedDrive);
IDiscRecorder2Ex dr2 = recorder as IDiscRecorder2Ex;
//recorder.QueryInterface();
byte[] resp = new byte[32];
byte[] recv = new byte[18];
uint sb = 1024;
IntPtr respPtr;
resp[0] = 0; resp[1] = 0; resp[2] = 0; resp[3] = 0; resp[4] = 0;
resp[5] = 0; resp[6] = 0; resp[7] = 0; resp[8] = 0; resp[9] = 0;
resp[10] = 0; resp[11] = 0; resp[12] = 0;
try
{
dr2.SendCommandNoData(resp, 6, recv, 60);
dr2.GetDiscInformation(out respPtr, ref sb);
if (sb > 1024)
{
sb = 1024;
}
Marshal.Copy(respPtr, resp, 0, (int)sb);
}
catch (System.Runtime.InteropServices.COMException)
{
}
}
/// <summary>
/// Retrieves the disc information from the media (via READ_DISC_INFORMATION).</summary>
/// <returns>
/// Data buffer that contains disc information from the media.
/// For details of the contents of the data buffer, see the READ DISC INFORMATION command in the latest
/// revision of the MMC specification at ftp://ftp.t10.org/t10/drafts/mmc5/.
/// </returns>
Byte[] IDiscRecorder2X.GetDiscInformation()
{
uint byteSize = 0;
IntPtr discDescriptorPtr;
IDiscRecorder2Ex recorderEx = (IDiscRecorder2Ex)this;
recorderEx.GetDiscInformation(out discDescriptorPtr, ref byteSize);
Byte[] discDescriptor = new Byte[byteSize];
Marshal.Copy(discDescriptorPtr, discDescriptor, 0, (int)byteSize);
Marshal.FreeCoTaskMem(discDescriptorPtr);
return(discDescriptor);
}