public static void GetCdTextInfo(SafeFileHandle hDevice, out MMC.CDTextDescriptor cdtext) { var req = new NativeApi.TOCRequest(MMC.TOCRequestFormat.CDText); var reqlen = Util.SizeOfStructure <TOCRequest>(); var cdtextlen = Util.SizeOfStructure <MMC.CDTextDescriptor>(); var ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out cdtext, cdtextlen, out int _, IntPtr.Zero); if (!ok) { throw new IOException("Failed to retrieve CD-TEXT information.", new Win32Exception(Marshal.GetLastWin32Error())); } cdtext.FixUp(); }
public static void GetTableOfContents(SafeFileHandle hDevice, out MMC.TOCDescriptor rawtoc) { var req = new NativeApi.TOCRequest(MMC.TOCRequestFormat.TOC); var reqlen = Util.SizeOfStructure <TOCRequest>(); var rawtoclen = Util.SizeOfStructure <MMC.TOCDescriptor>(); // LIB-44: Apparently for some multi-session discs, the first TOC read can be wrong. So issue two reads. var ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out rawtoc, rawtoclen, out int returned, IntPtr.Zero); if (ok) { ok = NativeApi.DeviceIoControl(hDevice, IOCTL.CDROM_READ_TOC_EX, ref req, reqlen, out rawtoc, rawtoclen, out returned, IntPtr.Zero); } if (!ok) { throw new IOException("Failed to retrieve TOC.", new Win32Exception(Marshal.GetLastWin32Error())); } rawtoc.FixUp(req.AddressAsMSF); }