Extracted from Pike v7.8 release 866 at 2016-11-06.
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GTK2
GTK2.Expander

Methods
 create()
 get_expanded()
 get_label()
 get_label_widget()
 get_spacing()
 get_use_markup()
 get_use_underline()
 set_expanded()
 set_label()
 set_label_widget()
 set_spacing()
 set_use_markup()
 set_use_underline()
previousGTK2.Expander()->set_use_markup()
GTK2.FileChoosernext

Method GTK2.Expander()->set_use_underline()

Method set_use_underline

GTK2.Expander set_use_underline(int use_underline)

Description

If true, an underline in the text of the label indicates the next character should be used for the mnemonic accelarator key.