ctrlutil.go
func FindFirstActiveControl(parent Control) Control {
	for _, curr := range getLinearControlList(parent, nil) {
		if curr.Active() {
			return curr
		}
	}
	return nil
}
func FindFirstActiveControl(parent Control) Control {
	for _, curr := range getLinearControlList(parent, nil) {
		if curr.Active() {
			return curr
		}
	}
	return nil
}
func FindFirstActiveControl ( parent Control ) Control { for _ , curr := range getLinearControlList ( parent , nil ) { if curr . Active ( ) { return curr } } return nil }
// FindFirstActiveControl returns the first active control of a parent
FindFirstActiveControl returns the first active control of a parent