func init
	// adds using namespace
	sys.add_use('System.Windows.Forms')

	// initialize instance
	sys.add_widget('RadioButton')

	// initialize properties
	sys.set_undef_field_const('Appearance', this.props('Appearance'), 'System.Windows.Forms.Appearance')
	sys.set_typed_field(104, 'AutoCheck')
	sys.set_undef_field_const('CheckAlign', this.props('CheckAlign'), 'System.Drawing.ContentAlignment')
	sys.set_typed_field(104, 'Checked')

	// makes implementation methods for properties
	sys._prop_init('Appearance', 1, 1, 0)
	sys._prop_init('AutoCheck', 1, 1, 104)
	sys._prop_init('CheckAlign', 1, 1, 0)
	sys._prop_init('Checked', 1, 1, 104)

	// makes implementation of methods as properties
	sys._mtd_as_prop_init('RadioButton')

	// makes implementation of simple methods
	sys._method_init('PerformClick')

	// initialize events
	sys.add_event_type('onAppearanceChanged', 'AppearanceChanged', 'Event', 'args')
	sys.add_event('onCheckedChanged', 'CheckedChanged', this.codename + '.Checked')

	// initialize common events and properties
	include("ButtonBase-init")
	include("Control-init")
end

include("ButtonBase")
include("Control")