 
 subsubsection3_7_1_3.html  subsection3_7_1.html  subsubsection3_7_1_1.html  tableofcontents3_1.html   Next: subsubsection3_7_1_3.html The TixExFileSelectDialog Widget Up: subsection3_7_1.html File Selection Dialog  Previous: subsubsection3_7_1_1.html Using the TixFileSelectDialog    The Subwidget in the TixFileSelectDialog  
We may also want to set other options for the file dialog such as its file
  filter and working directory. To do this, we must know the composition of
  the TixFileSelectDialog widget. As shown in figure 5-2, the
  TixFileSelectDialog contains a subwidget 
fsbox of the type
  TixFileSelectBox and a subwidget 
bbox of the type TixStdButtonBox.
   The 
fsbox subwidget supports the -pattern and -directory options. At line 2 of figure 5-1, we use the -directory option to tell the fsbox subwidget to display files in
the directory 
/usr/info; we also use the -pattern option to
specify we only want the filenames that has the 
txt extension.
   The 
fsbox subwidget also supports the -selection option,
  which stores the filename currently selected by the user. We can
  query this value by the 
cget widget command of the fsbox  subwidget.
Remember that the 
-pattern, -directory and -selection  options do not belong to the TixFileSelectDialog widget. A common mistake
  that people make is to try to configure the non-existent 
-pattern  option of the TixFileSelectDialog, which causes much despair, long error
  messages and great loss of self-confidence. 
Always remember:, when
  you want to configure an option, find out whether it belongs to the
  widget or its subwidgets.
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