`tdropdownbutton`
pl	ro	imagenr

`tstockglyphframebutton`
pl		imagelist

`tframebutton`
		visible
		enabled
		left
pl		width
pl		color
pl		colorglyph
pl		face
pl		frame
pl		imagelist
pl		imagenr
pl		imagenrdisabled
pl		options
pl		shortcut
pl		action
pl		onexecute

`townedeventpersistent`
	ro	owner

`tlinkedpersistent`

`tnullinterfacedpersistent`

`tvirtualpersistent`