helpme somebody

[Elias Castillo Abel]

somebody helpme , i have vtcl 1.10 an tcl 7.6 , tk4.2 , well i found a 
code :


VtOpen Combo
VtForm .Combo.form
VtComboBox .Combo.form.combo -itemList  { "banana" "plum" "apple" }
VtPushButton .Combo.form.button -label "Exit" -callback VtClose
VtShow .Combo.form
VtMainLoop

and i only write  vtcl combo ( combo its a name of this  script )
vtcl executes , but  not appers the window with this application.

some of the demos incliding with vtcl occurs  same , why?