I tried Binding a Static Variable, based on how it is described in the ns-documentation section 3.5.1, but it is not working. The simulator is not recognizing the Classname that I am giving. Here is what I tried >I added the static variable in snoop.h in the class Snoop declaration in >snoop.h static int bufsize_; >I defined it in the snoop.cc file int Snoop::bufsize_; >I did this class SnoopBufferClass : public TclClass { protected: SnoopBufferClass(const char* classname, int bufsize); TclObject* create(int argc, const char*const* argv); /* These two implements OTcl class access methods */ virtual void bind(); virtual int method(int argc, const char*const* argv); }; void SnoopBufferClass::bind() { /* Call to base class bind() must precede add_method() */ TclClass::bind(); add_method("bufsize"); } int SnoopBufferClass::method(int ac, const char*const* av) { Tcl& tcl = Tcl::instance(); /* Notice this argument translation; we can then handle them as if in TclObject::command() */ int argc = ac - 2; const char*const* argv = av + 2; if (argc == 2) { if (strcmp(argv[1], "bufsize") == 0) { tcl.resultf("%d", Snoop::bufsize_); return (TCL_OK); } } else if (argc == 3) { if (strcmp(argv[1], "bufsize") == 0) { Snoop::bufsize_ = atoi(argv[2]); return (TCL_OK); } } return TclClass::method(ac, av); } After this, I tried to use the following OTcl command to access and change values of Snoop::bufsize__: SnoopBuffer bufsize 120 set i [SnoopBuffer bufsize] set i [SnoopBuffer set bufsize] RESULT: invalid command "SnoopBuffer" After this, I tried to use the following OTcl command to access and change values of Snoop::bufsize__: SnoopBufferClass bufsize 120 set i [SnoopBufferClass bufsize] set i [SnoopBufferClass set bufsize] RESULT: invalid command "SnoopBufferClass" I even tried to add a constructor in snoop.cc SnoopBufferClass::SnoopBufferClass(const char* classname, int bufsize):TclClass("SnoopBuffer"), bufsize_(0) { return 0; } Still same reply Please Help me out with this If you have a working example of binding a static variable please refer it to me. (Except the offset variable in PacketHeader, I cannot understand what is going on over there) The main goal is to get the interpreter to recognise the classname I am creating. Any help or suggestions you can give me will be appreciated. thanks in advance pankaj _________________________________________________________________ Search for videos of Bollywood, Hollywood, Mollywood and every other wood, only on Live.com http://www.live.com/?scope=video&form=MICOAL