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Brief description
Simple Widgets
  Label
  Entry
  Button
  ArrowButton
  ProgressBar
  ScrollView
  Separator
Manager Widgets
  MainFrame
  LabelFrame
  TitleFrame
  ScrolledWindow
  ScrollableFrame
  PanedWindow
  ButtonBox
  PagesManager
  NoteBook
  Dialog
Composite Widgets
  LabelEntry
  ComboBox
  SpinBox
  Tree
  ListBox
  MessageDlg
  ProgressDlg
  PasswdDlg
  SelectFont
  SelectColor
Commands Classes
  Widget
  DynamicHelp
  DragSite
  DropSite
  BWidget