An SDF Orphaned Read May Cause an Access Violation Error IF ReadNext Is Called
From FDO SDK
SDF File Format Version 3.1 Supports Class Names With Non-ASCII7 Characters (NEW)
FDO Provider for SDF
FDO Provider for SHP
An SDF Orphaned Read May Cause an Access Violation
Error IF ReadNext Is Called
If the connection is closed while a reader is still active, a call to ReadNext may access freed memory causing an access violation (that is, a system crash).
Solution: Before closing a connection, ensure that the reader object has been destroyed.