// calls the DDProtCheck function in the appropriate DLL
public static int DdProtCheck(Dris dris, byte[] data)
{
int retCode = -1;
if (IntPtr.Size == 4)
{
try
{
retCode = DdProtCheck32.DDProtCheck(dris, data);
}
catch (DllNotFoundException)
{
MessageBox.Show("Cannot find dpwin32.dll. This should be in the same folder as DllTest.",
"EdgeEnergy", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
else
{
try
{
retCode = DdProtCheck64.DDProtCheck(dris, data);
}
catch (DllNotFoundException)
{
MessageBox.Show("Cannot find dpwin64.dll. This should be in the same folder as DllTest.",
"EdgeEnergy", MessageBoxButton.OK, MessageBoxImage.Exclamation);
}
}
return(retCode);
}
// converts to DRIS structure to a byte array (so we can do encryption)
public void DrisToByteArray(Dris dris, byte[] data)
{
GCHandle myGc = GCHandle.Alloc(data, GCHandleType.Pinned);
Marshal.StructureToPtr(dris, myGc.AddrOfPinnedObject(), false);
myGc.Free();
}
// converts a byte array to the DRIS structure (so we can do encryption)
public void ByteArrayToDris(byte[] data, Dris dris)
{
GCHandle myGc = GCHandle.Alloc(data, GCHandleType.Pinned);
Marshal.PtrToStructure(myGc.AddrOfPinnedObject(), dris);
myGc.Free();
}
public const int ProtectionCheck = 1; // checks for dongle, check program params...
public static int ProtCheck()
{
var dris = new Dris(); // initialise the DRIS with random values & set the header
dris.size = Marshal.SizeOf(dris);
dris.function = ProtectionCheck; // standard protection check, checks for dongle
dris.flags = 0; // no extra flags, but you may want to specify some if you want to start a network user or decrement execs,...
int retCode = DinkeyPro.DdProtCheck(dris, null);
//if (retCode != 0)
//{
// dris.DisplayError(retCode, dris.ext_err);
// return retCode;
//}
// later in your code you can check other values in the DRIS...
if (dris.sdsn != 12227)
{
MessageBox.Show(string.Format("Edge Energy Dongle not found ({0},{1}).", retCode, dris.sdsn), "EdgeEnergy", MessageBoxButton.OK, MessageBoxImage.Exclamation);
return(-1);
}
// later on in your program you can check the return code again
if (dris.ret_code != 0)
{
MessageBox.Show(string.Format("Edge Energy Dongle not found ({0}).", retCode), "EdgeEnergy", MessageBoxButton.OK, MessageBoxImage.Exclamation);
return(-1);
}
// if you are using a network dongle and you want to list the network users then use this function:
// DisplayNetUsers(dris);
return(0);
}
public static extern int DDProtCheck([In, Out, MarshalAs(UnmanagedType.LPStruct)] Dris dris, byte[] data);
