`TFPReportCheckbox`
pl	ro	Expression
pl	ro	TrueImageID
pl	ro	FalseImageID

`TFPReportCustomCheckbox`
pt		Expression
		TrueImageID
		FalseImageID

`TFPReportElement`
pt		StretchMode
		Parent
	ro	Report
	ro	Page
	ro	Band
		RTLayout
pl		Layout
pl		Frame
pl		Visible
pl		VisibleExpr

`TFPReportComponent`
	ro	ReportState