private bool ReadTOC()
{
if (_driveHandle?.IsInvalid == false)
{
uint BytesRead = 0;
NativeOverlapped overlaped = default;
byte[] buffer = new byte[Marshal.SizeOf(_Toc)];
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
_tocIsValid = NativeMethods.DeviceIoControl(_driveHandle,
EIOControlCode.CDromReadTOC,
IntPtr.Zero,
0,
handle.AddrOfPinnedObject(),
(uint)Marshal.SizeOf(_Toc),
ref BytesRead,
ref overlaped);
object?result = Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(CdromTOC));
if (result != null)
{
_Toc = (CdromTOC)result;
}
else
{
_tocIsValid = false;
}
handle.Free();
}
else
{
_tocIsValid = false;
}
return(_tocIsValid);
}
public CdReader()
{
_driveLetter = '\0';
_Toc = new CdromTOC();
}
