public static int DDGetNetUserList(string licence_name, out int num_net_users, byte[] nu_info_bytes, int num_info_structs, out int extended_error)
{
int ret_code = -1;
extended_error = num_net_users = 0;
if (IntPtr.Size == 4)
{
try
{
ret_code = DDGetNetUserList32.DDGetNetUserList(licence_name, out num_net_users, nu_info_bytes, num_info_structs, out extended_error);
}
catch (DllNotFoundException)
{
Console.WriteLine("Error! Cannot find dpwin32.dll. This should be in the same folder as DllTest.");
}
}
else
{
try
{
ret_code = DDGetNetUserList64.DDGetNetUserList(licence_name, out num_net_users, nu_info_bytes, num_info_structs, out extended_error);
}
catch (DllNotFoundException)
{
Console.WriteLine("Error! Cannot find dpwin64.dll. This should be in the same folder as DllTest.");
}
}
return(ret_code);
}
public static int DDGetNetUserList(string licence_name, out int num_net_users, out NU_INFO[] nu_info, int num_info_structs, out int extended_error)
{
int ret_code = -1;
int i;
extended_error = num_net_users = 0;
byte[] nu_info_bytes = new byte[num_info_structs * Marshal.SizeOf(typeof(NU_INFO))];
byte[] nu_info_one_struct = new byte[Marshal.SizeOf(typeof(NU_INFO))];
GCHandle MyGC;
nu_info = null;
// call the function and get info as a byte array
if (IntPtr.Size == 4)
{
ret_code = DDGetNetUserList32.DDGetNetUserList(licence_name, out num_net_users, nu_info_bytes, num_info_structs, out extended_error);
}
else
{
ret_code = DDGetNetUserList64.DDGetNetUserList(licence_name, out num_net_users, nu_info_bytes, num_info_structs, out extended_error);
}
if (ret_code != 0)
{
return(ret_code);
}
// convert byte array to an array of structs
nu_info = new NU_INFO[num_net_users];
for (i = 0; i < num_net_users; i++)
{
Array.Copy(nu_info_bytes, i * Marshal.SizeOf(typeof(NU_INFO)), nu_info_one_struct, 0, Marshal.SizeOf(typeof(NU_INFO)));
MyGC = GCHandle.Alloc(nu_info_one_struct, GCHandleType.Pinned);
nu_info[i] = (NU_INFO)Marshal.PtrToStructure(MyGC.AddrOfPinnedObject(), typeof(NU_INFO));
MyGC.Free();
}
return(0);
}
