Number representing the zero-based index of the involved CD drive.
Installed CD drives can be enumerated using the GetCdDrivesCount method and their friendly description can be retrieved through the GetCdDriveDesc method.
nMaxSpeed
Reference that, after returning from the method call, will contain the maximum speed supported by the CD drive expressed in Kbytes per second.
You can divide the speed by 176.4 to get the real-time speed multiplier; if for example the returned values should be 7096, the operation to perform would be
7096 / 176.4 = "40x".
Return value
Value
Meaning
Negative value
An error occurred (see the LastError property for further error details)
