Mine
public text v1 · immutableextern "C" DllExport void GetInfo(long command, long param1, long dataptr){
remote->Info( (RemoteInfo) command, (_variant_t) param1, (_variant_t *) dataptr);
}
//in plus
var xxx = Interop.Allocate(200);
Interop.Call(dll, "GetInfo", 0, xxx);