C#

int QuickUsbFindModules(char *nameList, unsigned long bufferLength)

nameList - A buffer in which to store a QuickUsb module names found by the library. Must be large enough to contain all device names + 1 character.

bufferLength - The length of the nameList buffer in characters.

[DllImport("quickusb.dll", CharSet = CharSet.Ansi)]
        internal static extern int QuickUsbFindModules([Out]StringBuilder nameList, int bufferLength);

public string FindDevices()
       {
           int length = 512;


           StringBuilder name = new StringBuilder();

           try
           {
               int result = QuickUsbFindModules(name, length);

               if (result != 0)
               {
                   return name.ToString();
               }

               if (result == 0 && name.ToString()=="")
               {
                   return "";
               }
           }
           catch (AccessViolationException ave)
           {
               LastError = ave.ToString();
               return null;
           }

           return null;
       }