Manual page:
  
   * http://tcllib.sourceforge.net/BWman/PanedWindow.html

Examples on use of BWidget::PanedWindow:

 package require BWidget 
 
 # Create PanedWindow with 3 horizontal panes
 set pwh [PanedWindow .pwh -side top]
 pack $pwh -fill both -expand true
 
 set fh1 [$pwh add]
 set fh2 [$pwh add]
 set fh3 [$pwh add]
 
 # In second pane, add 2 horizontal panes
 set pwv [PanedWindow $fh2.pwv -side left]
 pack $pwv -fill both -expand true
 
 set fv1 [$pwv add]
 set fv2 [$pwv add]

 # Make large enough to be able to resize the panes
 wm geometry . 500x500

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[Category Widget] of the [BWidget] extension