Examples using Tcl/TK

• Code is written in the tcl scripting language

• There are classes of widgets

  • button, listbox, checkbox, menu, etc

• Each widget takes attribute/value pairs

  • text, label, color, command, borderwidth, etc

• Each widget has a name

  • nesting is indicated with “.”
  • must start with a top-level window
  • the defaut root is called “.”

• Frames are used to group widgets together

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