An array of type System.IO.DriveInfo that represents the logical drives on a computer.
This method retrieves all logical drive names on a computer. You can use this information to iterate through the array and obtain information on the drives using other System.IO.DriveInfo methods and properties. Use the DriveInfo.IsReady property to test whether a drive is ready because using this method on a drive that is not ready will throw a System.IO.IOException.