Introduction - If you have any usage issues, please Google them yourself
Function Description: This program demonstrates TCL of the following main methods: 1. To use interface Tcl_CreateCommand () increase in order 2. To use another API Interface Tcl_CreateObjCommand () to increase the command 3. Demo Tcl_CreateCommand () and Tcl_CreateObjCommand () interface parameters ClientData and Tcl_CmdDeleteProc* to use 4. how to use the TCL API to create their own applications 5. use the TCL interface to the implementation of user interaction that comes with the input