FlexRow.InvalidState Property
FlexRow will be $TRUE if it no longer points to any row.
If the InvalidState property is $TRUE, an exception will occur if you move a row with MoveNext, refer to the Postion property, or perform any other operation that depends on the row you are pointing to.
The InvalidState property is set to $TRUE by the following operation. -When deleting the row pointed to by the FlexRow object. -When the FlexView object is deleted.