GtkCheckButton
   Button that displays a discrete toggle indicator.
  
Object Hierarchy
Direct subclasses
Description
   
    The GtkCheckButton widget is basically a different
    style of GtkToggleButton.  Instead of the entire
    button acting as the toggle indicator, a small button to the left of the
    text position appears 'pressed in' when the toggle is in the 
    GTK_STATE_ACTIVE state.
   
   
    See also:  GtkRadioButton, 
    GtkStateType, GtkToggleButton.
   
  
Constructor
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   Creates a button with a small toggle indicator.