`tgridprop`
		create
		destroy
		createfont
		createframe
		createface
		drawcellbackground
		drawcelloverlay

`tindexpersistent`
		create

`townedeventpersistent`
		create

`tlinkedpersistent`
		destroy
		setlinkedvar

`tnullinterfacedpersistent`

`tvirtualpersistent`
		create