Program 1-11 shows how to create a TixSelect widget. At line 1 of program 1-11, we create a TixSelect using the the tixSelect command.
tixSelect .fruits -label "Fruits: " -orientation horizontal
.fruits add apple -text Apple -width 6
.fruits add orange -text Orange -width 6
.fruits add banana -text Banana -width 6
pack .fruits