 
 subsubsection3_3_4_2.html  subsection3_3_4.html  subsection3_3_4.html  tableofcontents3_1.html   Next: subsubsection3_3_4_2.html Controlling the Style Up: subsection3_3_4.html Another Tix Widget:  Previous: subsection3_3_4.html Another Tix Widget:    Creating a TixComboBox Widget  
  tixComboBox .c -label "Animal:" -editable true.c insert end cat
.c insert end dog
.c insert end pig
(Figure 1-9) Creating a ComboBox    
In program 1-9, we set up a ComboBox 
.c  for the user to select an animal to play with. If the user is just a
  dull person like you and me, he would just press the arrow button
  and select a pre-designated animal such as ``dog''.  However, if he
  wants to try something new, he could type ``micky'' or ``sloth''
  into the entry widget and he will get to play with his favorite
  animal.
Of course, sometimes we don't want too many sloths around us and we
  want to limit the range of the user's selections. In this case we
  can do one of two things. First, we can set the 
-editable  option to 
false so that the user cannot type in the entry
  widget at all.  Alternatively, we can use the 
-validatecmd  option (see section 1.4.3) to check input the input.
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