public static bool IsDriveAudioCd(char driveLetter)
{
if (UnsafeCalls.GetDriveType(driveLetter.ToString() + ":") != UnsafeCalls.CdromDriveType)
{
return(false);
}
try
{
bool hasTracks = Directory.GetFiles(driveLetter.ToString() + ":\\", TrackCdaFiles).Length > 0;
return(hasTracks);
}
catch (Exception ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
return(false);
}
}
/// <summary>
/// Creates instance if the reader for assigned CD drive.
/// </summary>
/// <param name="driveLetter">CD drive letter</param>
public CdromReader(char driveLetter)
{
if (!Char.IsUpper(driveLetter))
{
throw new ArgumentException("Invalid drive letter");
}
uint driveType = UnsafeCalls.GetDriveType(driveLetter.ToString() + ":");
if (driveType != UnsafeCalls.CdromDriveType)
{
throw new CdromUtilsException("Drive is not a CDROM");
}
this.driveLetter = driveLetter;
hCd = UnsafeCalls.CreateFile(@"\\.\" + driveLetter.ToString() + ":",
UnsafeCalls.GenericRead, UnsafeCalls.FileShareRead,
IntPtr.Zero, UnsafeCalls.OpenExisting, 0, IntPtr.Zero);
if (hCd.IsInvalid)
{
throw new Win32Exception(UnsafeCalls.GetLastError());
}
}