try this #2:
/* Plugin generated by AMXX-Studio */
#include <amxmodx>
#include <amxmisc>
#define PLUGIN "New Plug-In"
#define VERSION "1.0"
#define AUTHOR "#8 SickneSS"
new cvar
public plugin_init() {
register_plugin(PLUGIN, VERSION, AUTHOR)
register_concmd("amx_lockname","cmdLock",ADMIN_CVAR)
cvar = register_cvar("nnchange","0")
register_message(get_user_msgid("SayText"),"MessageNameChange")
}
public cmdLock(id,level,cid) {
if(!cmd_access(id,level,cid,1))
return PLUGIN_HANDLED
new name[32]
get_user_name(id,name,31)
set_pcvar_num(cvar,get_pcvar_num(cvar) == 0 ? 1 : 0)
client_print(0,print_chat,"ADMIN %s Has %sabled the name change",name,get_pcvar_num(cvar) ? "dis" : "en")
return PLUGIN_HANDLED
}
public client_infochanged(id) {
if(!get_pcvar_num(cvar))
return PLUGIN_HANDLED
new newname[32]
get_user_info(id,"name",newname,31)
new oldname[32]
get_user_name(id,oldname,31)
if(!equal(newname,oldname))
{
set_user_info(id,"name",oldname)
return PLUGIN_HANDLED
}
return PLUGIN_CONTINUE
}
public MessageNameChange() {
if(!get_pcvar_num(cvar))
return PLUGIN_CONTINUE
new szInfo[64]
get_msg_arg_string(2,szInfo,63)
if(equali(szInfo,"#Cstrike_Name_Change"))
return PLUGIN_HANDLED
return PLUGIN_CONTINUE
}