class TGComboBox: public TGCompositeFrame, public TGWidget

 Create a combo box widget.

 Create an editable combo box widget.

 Delete a combo box widget.

 Initiate the internal classes of a combo box.

 Draw border of combo box widget.

 Switch text input or readonly mode of combobox (not perfect yet).

 Find entry by name.

 Set a new combo box value (normally update of text string in
 fSelEntry is done via fSelEntry::Update()).

 Make the selected item visible in the combo box window
 and emit signals according to the second parameter.

 Handle mouse button events in the combo box.

 Remove entry. If id == -1, the currently selected entry is removed

 layout combobox

 Handle double click in text entry.

 Handle pointer motion in text entry.

 Handle selection in text entry.

 Handle selection request in text entry.

 Process messages generated by the listbox and forward
 messages to the combobox message handling window. Parm2 contains
 the id of the selected listbox entry.

 Emit signal.

 Set state of combo box. If kTRUE=enabled, kFALSE=disabled.

 Add new entry to combo box when return key pressed inside text entry
 ReturnPressed signal is emitted.

 Remove all entries from combo box.

 Save a combo box widget as a C++ statement(s) on output stream out.