`TfpgValueBar`
pl	ro	BackgroundColor
pl		Value
pl	ro	SelectedColor
pl		MarginWidth
pl		CursorHeight

`TfpgWidget`
		FormDesigner
		Parent
		ActiveWidget
	ro	IsContainer
		Visible
		Enabled
		TabOrder
		Focusable
		Focused
		Anchors
		Align
		Hint
		ShowHint
		ParentShowHint
		BackgroundColor
		TextColor

`TfpgWindow`
		Parent
	ro	Canvas
	ro	WinHandle