`tdropdownlistcontrollerdb`
pl	ro	datasource
pl	ro	options
pl	ro	optionsdatalink
pl	ro	optionsdb
pl	ro	cols
pl	ro	dropdownrowcount
pl	ro	delay
pl	ro	valuecol
pl	ro	width
pl	ro	datarowlinewidth
pl	ro	datarowlinecolor
pl	ro	buttonlength
pl	ro	buttonminlength
pl	ro	buttonendlength

`tcustomdbdropdownlistcontroller`
	ro	datalink
		datasource
		keyfield
	ro	options
		optionsdatalink
		optionsdb
		cols

`tcustomdropdownlistcontroller`
		cols
		valuecol
		itemindex
		delay
		dropdownrowcount
		width
		datarowlinewidth
		datarowlinecolor
		buttonlength
		buttonendlength
		buttonminlength
		imagelist
		imageframe
		imageframe_left
		imageframe_top
		imageframe_right
		imageframe_bottom
		ondropdown

`tcustomdropdowncontroller`
	ro	dropdownwidget
		options
pl		color
pl		colorclient
pl		frametemplate
pl		facetemplate

`teventpersistent`

`tlinkedpersistent`

`tnullinterfacedpersistent`

`tvirtualpersistent`